catamarans with daggerboards for sale

9 Best Cruising Catamarans With Daggerboards or Centerboards!

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Many sailing enthusiasts shopping for their first cruising catamaran might find it rather challenging to determine the best choice for their needs. If you’re in the market for a cruising catamaran with a daggerboard, then look no further. I have done the research and built a list of nine of the best daggerboard catamarans.

The best cruising catamarans with daggerboards or centerboards provide great cruising capability, comfortable living, ease of handling, and strong construction. Based on different styles, designs, sizes, and prices, some of the best catamarans are Outremer 45, Catana 50, and Balance 526.

If catamaran cruising is a passion you have been longing to pursue, keep reading. You might find your dream boat and become inspired to make your cruising vacation a reality.

Dagger/Centerboards and Their Role in Catamaran Sailing

Unlike a traditional sailboat with a single hull (monohull), a catamaran balances on two hulls, with the sails sitting in the middle. Some catamarans come equipped with daggerboards (or centerboards) whose work is to balance the force of the wind acting on the sails.

Understanding the difference between centerboards and daggerboards can help you make an informed decision when selecting a sailboat or when considering modifications to your current vessel.

If you’re sailing a catamaran with daggerboards, you’d raise the daggerboard on the leeward hull while fully extending the upwind daggerboard. This improves the catamaran’s stability when sailing windward during heavy conditions. The adjustment thus makes the boat less susceptible to capsizing.

When will a catamaran capsize?

Should You Choose a Catamaran With Daggerboards?

In general, catamarans with daggerboards perform far, much better than those without. That’s because the boat’s design focuses heavily on performance. What’s more, renowned experts design the boats with the best hulls and make the boats lighter by tweaking the materials used.

In general, catamarans with daggerboards perform far, much better than those without.

So, if you’re looking to reach speeds of 28 all the way up to 30 knots (55 km/h), then choose a cruising catamaran equipped with daggerboards. When sailing upwind, such catamarans sail much closer to the wind and are way faster than their comfort-focused counterparts. In comparison, most traditional cruising boats can only manage 10-15 knots (18-27 km/h).

What makes the catamaran so fast, and why is this type of boat even faster?

You can cover much longer distances in a day with a daggerboard catamaran.
Their high speed allows for faster ocean crossings.
They deliver superior performance, particularly in upwind directions.
You can anchor your catamaran on shallow waters – after raising the boards.
A faster cruiser means additional safety since you can outrun a storm or avoid an incoming one.
They entail more work and maintenance.
They require you to learn how to operate them safely.
They are expensive – daggerboards come with an additional amount of up to $30.000 on the construction price.
The daggerboard compartment consumes some of the space from the hull’s living area, thus limiting your comfort.

Now, let’s have a look at some of the best cruising catamarans with daggerboards.

The Dolphin Ocema 42

The Dolphin Ocema 42 is a cruising catamaran built in Northern Brazil. The boat comes equipped with daggerboards and can thus point higher windward. But it also boasts a smaller wet surface when running and can pull with ease into shallower anchorages – 3 feet ( 0.91m) or less. That means that you can anchor your catamaran far from the crowd (or beach it ), then walk ashore. It also gives you more anchorage space to choose from.

However, it’s important to note that:

Raising the Dolphin’s daggerboards means exposing her rudders from underwater hazards.
The daggerboard could place the hull’s integrity at risk in case of a grounding.
The trunk consumes valuable interior space.

Created by designer Philipe Pouvreau, the Dolphin 42 is the only Dolphin model that boasts daggerboards. The boat strives hard to balance performance and comfortable cruising in a compact package. As a result, the cruising catamaran sports a foam core which helps in reducing its overall weight.

While some of the Dolphins built later at various custom shipyards bear some additions or structural modifications, most Dolphins are high-quality, safe, comfortable, and perform successful circumnavigations.

Pricing : $220,000-$350,000

The Outremer 45

The Outremer 45 is a Gerard Danson design. This classic cruising catamaran is unique in that it didn’t undergo mass production like most multihulls. Instead, the French Outremer came from a semi-production manufacturing line where all interior parts are laminated directly to the hull, forming an extremely stiff structure.

This classic cruising catamaran is unique in that it didn’t undergo mass production like most multihulls.

One downside to this catamaran is that it comes with a much smaller interior than other boats. Also, it doesn’t come cheap. However, everything else about the Outremer makes it the perfect sailor’s boat because:

It’s highly responsive to the helm.
It has a high bridge deck clearance.
It comes with well-proportioned bows.
It features balanced weight distribution, which helps to minimize pitching.

Earlier models featured soft canvas bimini (optional) covering a stainless framework, while later ones had optional overhead composite panels. The latter provides a better option since canvas tends to become waterlogged when it rains.

You can order the Outremer 45 as an owner version, a club version with additional berths, or a four-cabin layout.

Pricing: $320,000-$560,000

The Atlantic 42

The Atlantic 42’s efficiency and aesthetics have resulted in the growth of a massive loyal following. Despite being the smallest of the Atlantic cruising catamarans, the A42 is quite popular with sailors due to its ocean-faring capabilities, ease of handling, and excellent use of space. This catamaran embodies a true classic right from the forward cockpit, through the pilothouse, the sleeping cabins, to the galleys.

Unlike other catamarans, the Atlantic 42 has a waist-high cockpit located in front of the pilothouse and behind the mast. It boasts a solid construction owing to the large metal bearers running over the bulkheads.

Unlike other catamarans, the Atlantic 42 has a waist-high cockpit located in front of the pilothouse and behind the mast.

This setup provides the boat with maximum strength, better air circulation beneath the engine, and high flexibility when it comes to engine size and positioning.

At first, the vessel’s style and outlook appeared rather conservative, but with time, it was evident that the Atlantic 42 was a long-lasting catamaran built using high-quality materials. The boat’s exterior looks stunning, and the interior is quite impressive as well, while spacious aft cabin accommodation and shower compartments are an additional bonus.

Pricing: Contact Chris White Designs

The Gunboat 62

If you’re looking for a vessel that can fit all your gear plus more during your voyages, then the Gunboat 62 is the ideal cruising catamaran for you. And guess what? You can stuff all your gear and equipment in this vessel and still outperform a similar-sized racing monohull. The boat’s helm seat is not only comfortable but also offers 360-degree visibility, ample storage space, a working surface, and a luxurious cabin.

The Gunboat 62 is among the best top-performing catamarans in the market, and this particular series set up the Gunboat brand. It performs incredibly well during storms with speeds of 35 knots (64.82 km/hr) and beyond despite its epoxy, E-glass, and carbon-fiber build. Furthermore, its design features a distinct angular outline, quite unlike most similar-sized catamarans.

The Gunboat 62 is among the best top-performing catamarans in the market, and this particular series set up the Gunboat brand

Since it’s light in weight, this catamaran can sail upwind at speeds above 17 knots (31.48 km/h) while pinching up to 30 degrees. Indeed, this catamaran boat can easily tack through 95 degrees and still manage to outshine the fastest racing monohull. And, like most performance catamaran cruisers, the Gunboat 62 can reach almost 20 knots (37.004 km/h) under the right conditions.

Pricing: Contact Gunboat

Check out this list of the fastest cruising Cats on the market!

Gemini 105Mc

The Gemini 105Mc is the ideal cruising catamaran for you if you’re in the market for a boat to use for weekend sailing trips. The boat is also comfortable enough for long cruising vacations since it boasts spacious accommodation, great design, and delivers a stable cruising platform.

This vessel is more of a sailing cottage. Designed by the renowned Tony Smith, the 35 feet (10.6m) floating cottage is also cozy, safe, and good value for money since its price is quite reasonable.

This vessel is more of a sailing cottage.

The boat comes with incredibly slim, teardrop-shaped hulls with flat bottoms and a smaller wetted surface, allowing for minimal drag. It also leads towards more leeway when under sail. The hulls sport a kick-up centerboard which helps to enhance the catamaran’s windward pointing abilities. Furthermore, the rudders rise to enable the boat to cruise in shallow waters with ease, while most vessels tend to run aground.

The Gemini 105Mc has a narrow beam measuring about 40% of its length. This is quite unlike today’s beams at 50%. Still, the boat’s low center keeps it upright, stable, and safe. Although no longer in production, you can still purchase a preowned Gemini 105Mc .

Pricing: Contact Gemini Catamarans

The Catana 50

There are only 2 Catana production sites in France, this guarantees exceptionally high-quality standards in every boat. The Catana infrastructure is more advanced than that of other catamarans and features spacious bridge-deck clearance and a high freeboard. In addition, its curved daggerboards drastically reduce the drag, while crash boards ensure the buoyancy of any of the Cantana models.

The Catana 50’s daggerboards angle slightly inward to maximize lift under sail and enhance lateral resistance underwater. They are thus more effective than the long but shallow keels found in other catamarans. As a result, this catamaran performs exceptionally well to windward. When sailing off the wind, raising the boards helps to minimize drag.

The Catana 50 is an ultramodern catamaran designed to make long-distance passages easy and safe. This massive sailboat measures almost 50 feet (15.24m) long and sports a beam of around 26 feet (7.92 m). Most people consider it the best-built and most fashionable cruising catamaran, but the boat is bound to test your sailing skills if you plan to sail it solo.

The Catana 50 is an ultramodern catamaran designed to make long-distance passages easy and safe.

The amazing catamaran features a rig that allows you to use a screecher or a self-tending jib. While this might sound complex, the Catana 50 is fairly easy to tack once you set out on the course.

This performance-oriented catamaran boasts efficient hulls and rigs that allow for fast speeds. Also, its long waterline, along with the bow’s subtle underwater shape, helps boost volume while lessening wave drag. The stern platforms can also aid in stretching the length of the waterline while allowing easy access from a dock. If a collision were to occur, the sturdy board trunks would protect the hulls.

Pricing: About $1.4 million

McConaghy MC50

The McConaghy MC50 launched in 2018. A fast cruising cat designed to cross oceans, this catamaran came with impressive features such as a skylight smack in the center of the coachroof that allows light to flood in. Also, the saloon has an extending table that provides adequate space for up to eight diners and converts into a lounging room when you install the fill-in cushion.

The galley boasts an induction hob and molded-in sinks, while a navigation station occupies a spot at the front of the saloon – providing good visibility and systems access. The vessel’s unique design simulates a penthouse apartment on the deck with 35 to 40m2 (376.74 to 430.56ft2) of space, possibly the largest in a 50ft (15.24m) yacht.

The MC50’s 3.5m-deep (11.48ft) hydraulic centerboards boost the boat’s upwind performance and include a fail-safe if an underwater collision occurs. The boards take only 12 seconds to raise. This catamaran delivers great pace and upwind capability, all wrapped up in a high-quality, stylish, and roomy interior.

The key to the MC50’s outstanding performance is the optimized hull shape and the 40% carbon fiber lay-up, which result in greater stiffness. Exhibiting great engineering detail, the hydraulic centreboards swing into the hulls, providing a welcome solution to the challenge of having daggerboards without eating up too much accommodation space.

Pricing: Contact McConaghy Boats .

Atlantic 47 Mastfoil

The Atlantic 47 is one of Chris White’s spectacular designs. It places the cockpit forward of the deckhouse, the aft deck sits behind the pilothouse, and the large pilothouse has easy hull access.

This unique design enhances the safety and functionality of the Atlantic 47 as it provides the crew with full forward visibility and easy, safe access to the sailing controls. It also transforms the traditional deckhouse into an appealing and more comfortable pilothouse.

All Atlantic cats come equipped with daggerboards, with the majority sporting vertically retracting ones. That’s because to sail upwind really well, a catamaran requires deep, well-shaped hydrofoils underneath the boat to enable it to claw windward.

An excellent top performer, the Atlantic 47 combines great cruising capability, comfortable living, and ease of handling. This spacious boat also boasts a generous aft deck, a high all-around bulwark, and a starboard walk-through for quick and easy access to the dinghy.

All Atlantic Cats sport an impressive safety record owing to their robust construction, innovative design, and easy handling. Besides, the indoor watch-keeping capability helps to minimize crew fatigue, allowing safe and more enjoyable cruising. To further enhance their safety, all boats contain watertight collision bulkheads in addition to emergency capsize habitation.

Pricing : Contact Chris White Designs .

The Balance 526

A passion for building the best-performing cruising catamaran d esigned for speed, comfort, and perfect for families . The ability to carry cruising payloads inspired the Balance 526 . Designed by a team highly experienced in sailing, cruising, racing, and building catamarans, the 526 is simple to operate, maintain, and offers gracious, elegant living.

With state-of-the-art beds, showers, cabinetry, and finishes, the European-styled interiors feature high-end interior design. What’s more, you can pilot this exceptional vessel single-handed owing to the innovative design, reefing station, and self-tending blade jib . These features allow almost anyone to maneuver the catamaran safely through any weather.

If you’re seeking optimal performance under sail, you can configure this cruising catamaran with either dual daggerboards or high-performance fixed keels . The great thing about using the fully retractable dual daggerboards is that you can sail in shallow waters and beach your catamaran without any problems.

To enhance upwind performance, place the boards in the down position, and raise them to improve off wind performance. In dangerous cross seas, the Balance 526 side-slips prevent the tripping effect related to large fin-keeled catamarans.

The balance 526 comes with the all-weather Versahelm design. A first in catamaran design, it accords serious cruisers the best of both worlds. You can slide open the hardtop and sail in the open air during fair weather, close it in foul weather, and get into the aft cockpit. The down position allows you to scan around as you look for docking and provides a warm, safe, and comfy place to pilot the 526 in any weather.

To combat fatigue, the Balance 526 thoughtfully comes with adjustable helm chairs. There’s also a retractable helm standing platform that you can raise to increase sightlines whenever you pilot over the bows, navigate narrow channels, or cluttered estuaries.

Strong but light, this vessel weighs under 12.5 tons (11,339.81 kg). Hence, if you ever need to outrun or position away from bad weather, the Balance 526 will speedily and safely take you wherever you need to go.

Pricing : Contact Balance Catamarans

Final Thoughts

As you can see from this list, cruising catamarans with daggerboards are available in a wide range of designs, styles, and sizes. This can make choosing the best one a bit overwhelming. Still, whether you’re looking to get a catamaran at a bargain, an exceptional performer, or a classic, there’s a boat to suit every need and budget.

The best thing is to look beyond the fancy designs, layout, or equipment and consider fundamentals. These include sound construction, a good sail plan, cruising capability, ease of handling, and comfortable living.

Wikipedia: Daggerboard
McConaghy Boats: McConaghy Boats
Sail magazine: 10 Great Cruising Cats
Sail magazine: Catana 50
Gunboat: Home
Gemini Catamarans: Home
Gemini Catamarans: Gemini 105Mc Design Touch Overview
Chris White Designs: Atlantic 47 Mastfoil
Chris White Designs: Home
Catamaran-Outremer: Outremer 45
Sail How: Which Catamarans Have Daggerboards?
Yachting World: Performance cruisers: the best new catamarans for racing and fast cruising 2018
Dreamy Yacht Sales: Best Catamaran Brands Guide – 6 Top Catamarans
Hellenic Shipping News: Daggerbards in Demand on Cruising Boats
Balance Catamarans: The Perfect Harmony of Performance and Livability
Multihulls-World: Catamaran Basics the Daggerboards: Understanding and Adjusting Them

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

Multihull Keels and Daggerboards

Aeroyacht Multihull Specialists Catamarans for Sale

Fountaine Pajot BELIZE 43 resting on her keels, showing good bridge deck height

Uncovering the compromises of both underwater appendages and analyzing their disadvantages and merits.

Man has learned much from nature, and sailboats and their underwater appendages are one of the areas that we have applied what works and what doesn’t. As we all know, boats – as most things in life- are compromises and often we are prepared to make concessions in one area in order to gain an advantage in another. Not only should this brief discussion illustrate the basic virtues and drawbacks of daggerboards and mini keels on multihulls, but also point out their active and passive safety aspects.

Most multihulls in todays marketplace come in two varieties. By far the vast majority of the production cruising catamarans (about 90%) are keelboats and have low aspect ratio, unballasted keels. These well known French, Australian or S.African boat manufacturers market their boats for private ownership and the charter industry and make a great product. Without sounding too general, these boats have very spacious interiors and are perfectly adaptable for live aboard families or the charter trade. This multi million dollar charter industry, has an obvious influence on the requirements and design of their charter fleet, which further has a trickle down effect to other builders who also market their cats for private ownership. Design parameters for these charter cats are often centered around 2 week multiple family vacations in the steady Trade Winds and day sails between closely spaced islands of the Caribbean. The features of these keel catamarans obviously put less demand on pure sailing performance or extreme upwind sailing characteristics, but rather try to please by offering solid construction, live aboard comfort and simple and reliable handling characteristics.

The other type of multihull is the catamaran with articulating daggerboards or centerboards. Centerboard and daggerboard multihulls both share the same basic concept, except their deployment and storage relies on different principles. The daggerboard lives in a scabbard, or daggerboard trunk. It moves up and down, vs. a pivoting centerboard, which is raised and lowered around a massive pin. High aspect ratio daggerboards are by far the most efficient foils. They have none of the problems associated with centerboards, which when fully lowered are only braced by a small area on top. When going upwind in a hurry, loads on the trunk act as a giant lever, which constantly work to spread the trunk apart. This is the reason why it is recommended to operate foils as pairs in heavier conditions to divide the loads. Also the large area of the remaining centerboard slot creates a lot of unwanted turbulence making them unpopular for performance minded sailors. Lastly declining popularity of the centerboarders can also be lead back to the often large intrusion on the interior space the trunks create. Although the Gemini catamaran is a good example of a very popular and well thought out production catamaran, there are few other mass produced centerboarders around. It should be noted that one great advantage centerboards have vs. any other underbody configuration is that they theoretically retract when colliding with an object. In spite of this, most offshore or performance orientated sailors clearly favor daggerboards or low aspect ration keels.

Illustration A

Daggerboard catamarans have several advantages over their keel counterparts, some of which are well known and others that are more subtle and sometimes only recognized by people who have used them. Active safety aspects are advantages created by speed and the ability to retract underwater appendages.

I am a firm believer of “faster” rather than “slower” on ocean going performance multihulls. Many people might say, going fast is only for racers. But lets think about this. The ability to reduce exposure time through speed is invaluable for cruisers. If say on a transatlantic passage you can shave off 5 days you have already increased your safety factor, in some cases, by 25%. Not being a “sitting duck” is a nice thing indeed. By being able to have the choice, bad weather can be avoided, which can sometimes lead to a negative spiral of incidences. In general, especially on long passages, a daggerboard cat will have the edge on speed over her keel counterpart.

Lets face it, we are all in it for the fun of sailing as famed designer Francis L. Herrshoff said: “The fun of sailing is directly proportional to the speed of sailing”. Maybe this is the reason he designed Amaryllis, his revolutionary catamaran, which was later banned from racing. Generally speaking daggerboard catamarans will always be slightly faster than their keel equivalents. The speed advantage of most daggerboard catamarans vs. keel catamarans though is often exaggerated. On a typical day sail a well trimmed and tuned keel cat will only be slightly slower than a daggerboard cat.

Multihulls lack the feeling of being in the “groove”, which monohull sailors enjoy. Effortless high average speeds, acceleration and sustained high velocity surfs is something fast multihulls compensate with. It should be noted that anything (even a barn door) surfs in the right conditions. Even keel catamarans can surf at speeds up to 30 knots down large seas.

Upwind Advantages: Depending on sea state going upwind, daggerboard catamarans vs. their keel relatives will point up to 5 degrees higher and also experience 2-5 degrees less leeway, which isn’t much one would think. But in an uncomfortable 100 mile beat this ads up to being more than 17 miles closer to your destination! (Illustration B).

Illustration B

sin A=a/c (sin A) c =a (0.1736) * 100 = a a = 17.36 miles

Lets take a 45’ catamaran: the lift (to windward) generated by a daggerboard is almost twice that of a low aspect ratio keel and the drag with the board all the way down would be almost 20% less. The most recent generation cats with large beams and stately bridge deck houses benefit especially from high lift foils, since the windage of their projected area can ad up quickly. The same cats with keels usually suffer from excessive leeway and sideslip. Keel cat’s however, especially in a calm sea state, lessen this disadvantage as boat speed and flow over their keels increases.

Reaching and Running Deep: When running deep in fresh conditions the fixed could act as a brake, that one cannot disengage. Since they cannot be retracted, their volume and resistance slows the boat’s progress and in combination with the forward pressure of the sails forces the bows down. This is especially the case with catamarans that have long bridgedecks, heavy extremities and low volume- fine bows. The bigger the friction in the water, the bigger the pressure on the mast and the more the boat is burdened. Another neat trick is lifting the daggerboards, one can actually increase apparent wind by pointing up and induce leeway, crabbing faster to ones destination.

Tacking and Helm Feedback: Cruising catamarans are often mistaken to tack slowly and behave sluggishly to movements of the helm. This is certainly true for some heavy keel catamarans and much less so for ones equipped with boards. In complex seas, some of the heavier keel cat’s only option for a safe tack is back winding the jib. Monohulls with only one fin will always tack quicker than multihulls, just as foil equipped catamarans will be more responsive than keel multihulls. Modern hydraulic steering systems are easy to build and with most forward helm stations behind the main coachroof, pose sometimes the only alternative for the builder. Mechanical steering and daggerboards will give the ultimate feedback and fun at the helm…if one is driving at all, since usually the autopilot is engaged for longer legs.

Inclined foils on the Aeroyacht H42 performance catamaran built by Edel

Another advantage of daggerboards is the better maneuverability under one engine. If you loose one engine and retract the board on the hull which has no engine power, but leave the powered hull’s foil down, the boat will turn easier. Because of the retracted foil on the un-powered side there will be much less drag induced turning moment, the boat will be more balanced and the other sides deployed board will provide sufficient bite for “survival” steerage. Especially in high crosswind situations a catamaran with both boards down is much easier to maneuver than one with shallower keels. Usually harbor maneuvers under power are low speed operations, and this is where the high lift capacity of twin boards excel yet again and facilitate handling and precision steerage. Daggerboard cats also can motor a bit faster, since by retracting the foils they have less resistance.

Keel and daggerboard cats usually have less draft than keel monohulls, opening access to shallow anchorages. An advantage daggerboards have, are their gauging characteristics when entering shallow harbors or unknown territory. By lowering them, one actually creates a “safety depth”. When they touch bottom one still has the possibility of raising them, performing a U-turn and getting into deeper water. With fixed- non retractable keels, especially with a monohull, groundings or unplanned bottom encounters could end tragic. At least a monhull can attempt in heeling the boat to reduce draft and re float. This obviously is not an option on a keel cat. If you get stuck in the mud you are dedicated to await the next high tide to get you off. Crashing into a coral reef could be a different story altogether and only a haul out can asses and repair damage. Depending on their design, boards could be rotated or flipped, and even repaired underway. In general daggerboard cats also have less draft than keel multihulls allowing access to even more harbors and anchorages. They can be beached high up for repairs or inspections, increasing the window of exposure time between tides. I know, I once performed a 5 hour long emergency repair on our 43’ catamaran this way, saving 1000’s in yard bills and days of headaches.

It should be notes that keel catamarans however, can be beached just as easy as daggerboard cats. They can be left sitting, high and dry, completely safe on their keels, without having to worry about damaging the hulls or getting debris or sea life stuck into the vulnerable daggerboard trunks.

Bruno Nicoletti is an old friend and one of the most low key-expert sailors I know. He has logged more than 130,000 miles (geriatric miles as he calls them) on his 44’ daggerboard catamaran.. At a recent meeting with him in France we talked about his experiences of his record, double handed – one stop- Southern Ocean circumnavigation at age 63. The French Press compares Bruno to sailing legend Vito Dumas and has published his accounts in an article called: “The Impossible Route”. He explained, that in the Southern Ocean, in the most convoluted conditions he would simply raise both boards, lock the helm to windward and lay a-hull with no sails. “Brumas Patagonia” would safely slide down the steep faces of waves and minimally drift to leeward at about 1 mile per hour while he was either resting or reading. The water spoil of his side wards drift would help keep the edge off cresting waves and often prevent them from breaking (Illustration D) While it was blowing 70 knots and higher he felt very safe and in fact the world around him turned peaceful and quiet. His confidence in this system is impressive: I am currently helping him with sea trials on his new 47 footer for a yet another go at a High Latitude – geriatric- circumnavigation. This time he is planning to take his 78 year old brother and do it non stop !

Illustration D

It is not only in the Southern Ocean that one encounters steep, breaking waves. Major capes or the Gulf Stream are notorious for rough conditions where the ability to navigate safely becomes imperative. In these environments any proven and strongly built daggerboard cat would have a slight advantage by lifting her boards, although a well designed keel catamaran could get through unscathed. In extreme weather, and I am talking beyond Force 10, it is very important to enable a catamaran to side-slip rather than encouraging the possibility to trip, and maybe flip. A catamarans behavior in towering side waves is decisive and the possibility to lift underwater appendages is essential, especially if one has lost the ability to steer. The disadvantage of a keel catamaran in huge beam seas is more psychological than real, as these types of vessels typically also slip sideways. In survival conditions or emergencies, the use of parachute anchors, which force the boat into a certain attitude is often thought to be the only answer for most boats. In my mind this tactic is questionable since it puts enormous strains on the boat, is accident prone and renders one helpless when the odd rogue wave from a different direction smacks into the boat. It is better to manage survival conditions, by controlling and slowing the vessel with the use of drogues.

We have learned a great deal from aerospace industry and the trickle down effect to monohull keels. Multihull designers and builders greatly profit from the advanced research, that has been done in the field of NACA sections (National Advisory Committee for Aeronautics) and foil performance. Keels and daggerboards come in a variety of aspect ratios but most are based on low speed foils, which drag/lift characteristics have been optimized. To increase lift even further, some performance catamarans even utilize asymmetrical shaped daggerboards, shaped flat on the outside (leeward) and cambered on the (windward) inside. As they can only be used one at a time asymmetrical boards are somewhat limited in their adaptation for cruisers. (Illustration E)

Illustration E

Since multihulls do not heel, their underwater appendages are more effective in retaining positive flow than their monohull relatives.(this is also the reason why autopilots burn out less often and can be used in heavier conditions on catamarans) As the monohull heels, not only is the upper part partly blanketed by the underbody of the vessel but also flow is lost as the water slips past the angled keel to leeward. (Illustration F) This was especially prevalent on the early IOR monos, which had extremely beamy and shallow bilges and high prismatic coefficient center sections. To compensate for this loss of heel induced flow, monhulls need deep draft keels to make good progress to windward. The keel or daggerboard catamaran on the other hand can more efficiently create lift for the same keel plan view area, not only because it has two vs. one keel, but also through its minimal heel is able to keep its underwater appendages perpendicular in the water.

Illustration F

Usually catamaran daggerboards have a higher aspect ratio and are deeper than the equivalent length monohull, since they have the ability to retract them and therefore have no draft considerations. It is therefore not surprising to see that in wind speeds starting at around 10 knots a well designed and sailed daggerboard cat, will often outpoint and outpace a performance monohull. Even well sailed keel catamarans can often arrive earlier at an upwind destination compared to heavy monohulls. The couple of degrees they sacrifice in their ability to point to windward is often made up by their higher speed and VMG (Velocity Made Good). This performance difference increases proportionally to the wind speed and is very noticeable in F.4 conditions and beyond.

A well known fact and possibly the single biggest psychological deterrent of daggerboard cats is the vulnerability of the boards and trunk in collisions. The true Achilles heel are actually ill constructed and designed trunks, which cause flooding in an impact. This obviously is not the case with keels, which would deflect a minor obstacle, or in case of hitting a container or whale, simply break off. In the case of sacrificial keels, they would sheer leaving the hull completely intact.

Obviously the most critical area in daggerboard design is the construction of the daggerboard trunk. It is usually heavily reinforced with massive gussets, especially at its aft bottom end and extends from the bilge to the overhead. Typical forces on the trunk easily exceed the pressure of the wind on the sails. Dynamic forces of wave action and the shock loads of slamming into seas or solid objects must make this area one of the strongest and best engineered of the entire vessel. Usually the foils are located just aft of the main- mast bearing crossbeam and are somehow tied into this unit to profit from its stiffness. The more “left over” daggerboard remains in the scabbard in the fully down position, the better it is braced, so it is not surprising to see foils that are 18’ long for a 60’ boat. Builders who take their job seriously go through great lengths to make this key area as strong as possible. In a recent conversation with the manager of a reputable French production yard it was pointed out that the daggerboard trunk is engineered and constructed 7 times stronger than the composite board. In case of a violent impact, the foil, which has weak spots designed into it, will snap and leave the daggerboard trunk unscathed. It is a type of sacrificial impact philosophy or a safety fuse, just as it is used on sacrificial fixed keels. The careful engineering and experience necessary in building reliable daggerboard or keel cats stresses the importance of a production yard, which has consistently built them. This aspect should not be taken lightly if one ventures out into the open sea, even if it is only 20 miles offshore.

Often builders of keel cats ad daggerboards to their designs, with the objective to market increased performance and safety. This usually ends up in a compromise, since the hydrodynamic hull requirements of both types could differ substantially, let alone the experience of proper integration, engineering and construction might be lacking altogether. Building with keels does not require the experience, careful construction and engineering which are necessary with retractable foils.

Keels offer advantages, as they do not need to be operated at all. They do their work silently and its usually one less thing to go wrong. On the other hand people who have never sailed with daggerboards think their operation is complicated. In fact they are as easy to use as outhauls or travelers. In normal conditions with 2 people – one pumping the daggerbaords up haul line directly at the board- the other taking up the slack of the up haul, it literally takes 3 seconds to raise a 15’ daggerboard. Single-handed it is a 10 second affair involving 2-3 wraps of the up haul around a winch and 10 cranks. Most boards are slightly heavier than the water they displace and often only weigh 80 lbs. Dropping takes half a second, by simply opening the up haul sheet stopper and easing the foil down. Loads on the boards increase as the speed and pressure builds, so if one has the choice, these maneuvers are usually performed just before tacking. It is a misconception that the operation of foils will depend on the wind speed. It is rather the boat speed, in regards to sea state – which in turn limits progress – which dictates the proper positioning of the daggerboards.

Nothing is perfect and this analysis would be worthless without mentioning the pro’s and con’s of either underwater appendage. Daggerboards, their surrounding structures and systems are more expensive to build, so builders prefer to stay away from them given the choice. In some catamarans, especially smaller ones or ones that have the trunk in the center of the hull, the interior passage in the hulls can be crammed. Lastly it should be mentioned that incorrectly designed and constructed, daggerboards multihulls can be more of a detriment than virtue and in some cases can be extremely dangerous. If the trunks are not massively reinforced and in case of a violent collision one could flood one hull and cause a capsize. In this case one is better off with a well designed and constructed keel multihull than a mediocre or untested one with daggerboards.

Yet daggerboards give you choices, that keels deny you. It is like the new generation of cars with Tiptronic gearboxes, which offer you an automatic transmission with manual override. By physically selecting the proper gear, torque can be adjusted to suit the conditions. It’s the same with the daggerboard equipped catamaran. The boat can be fine tuned to optimize the level of efficiency of the vessels motion through the water. By being able adjust the foils, superior sailing characteristics result in speed and generally more fun on the water. Active safety aspects of reduced exposure time, better maneuverability and shallow draft provide significant benefits.

For safety reasons, most catamarans builders opt for fixed keels and completely separate the keels from the hulls, a feature which preserves and protects the water tightness of the boat in the event of violent impact. Furthermore, if such a situation arises, it makes them easier to repair or replace. Fixed keels require no manipulation, such as daggerboards and give perfect protection to drive shafts, propellers, rudder blades and hull bottoms in the event of grounding. Lastly the absence of a centreboard case means saving of space in the interior of the vessel and usually results in a larger living space.

Back to the birds. We all know the giant Albatross as an extreme example of a sorer that can glide for days in varying conditions, without having to move its wings. This Southern Ocean beast, who calls his home the most inhospitable area on our planet, is better adapted to handle extreme circumstances than any other flying animal. The Albatrosses’ wings are sophisticated in shape, but basically are articulating high aspect ratio foils very similar to daggerboards. Similar to the Falcons “high speed” wings, the Abatross can modify its wings aspect ratio to adjust to the breeze. The designers of the Polynesian multihulls, legendary Viking long ships and American Cargo Schooners understood this too. By adding movable leeway devices, center- or daggerboards, they made their boats more seaworthy and even sailors in the past preferred them over fixed keels.

Today we continue to strive to find the perfect compromise in our vessels to satisfy our most important requirements. We should be extremely thankful to the 1000’s of keel multihulls that have revolutionized the charter industry and many good boats have evolved from this trend. Reputable dagger board catamarans and well designed keel multihulls will continue to be the choice of future generations of serious offshore voyagers. Both offer their advantages and disadvantages and it is important to understand both in order to make the proper choice.

Gregor Tarjan, a trained naval architect and longtime multihull enthusiast is writer of numerous articles for Multihulls Magazine and various other trade publications. He has been involved in Dennis Conner’s “Stars and Sripes” 1984 Americas Cup Campaign, is the founder of Aeroyacht.He is also the co-editor and contributing author of the “Sailors Multihull Guide”, the book by Kevin Jeffrey.

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Lidgard 49 Performance Daggerboard Catamaran

+61 (07) 5502 3124 [email protected]

Price AU $725,000 No more to pay - sail away

Lidgard 49 Performance Daggerboard Catamaran

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West Coast Multihulls

West Coast Multihulls 955 Harbor Island Drive Suite 180 San Diego, CA 92101 619.571.3513

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Lidgard 43 Performance Catamaran in Mexico

Incognito is custom-built bluewater performance 43′ cruising catamaran with daggerboards and a foil-shaped carbon rotating mast. Super light and designed for speed, this cat easily sails 10 knots but has reached up to 20. With daggerboards up, her draft is only 3’5″ making it easier to navigate shallower waters. Yanmar engines, sail drives and standing rigging were replaced in 2019. Second owner and LLC owned. If you’re looking for a performance cat on the West Coast, look no further. She’s lying in Puerto Vallarta, and with many recent systems upgrades is ready to go cruising!

Accommodations

Master Suite (Aft Starboard)

Queen Sized Berth w/ large storage compartment below
Opening Port Hole
Reading Lights
Overhead Hatch

2 Forward Guest Cabins

Identical on Port & Starboard
Side Portholes
Built-In Dresser Drawers
Storage Compartments

Head (Port Aft)

Fresh Water Electric Flush Head
Vanity Sink w/ Mirror and Drawers
Shower w/ Shower Curtain
Corian Countertops
Double Stainless Steel Sink
2 Faucets, one is a Dedicated Four-Filter Fresh Drnking Water Tap
Isotherm Fridge/Freezer (2022)
2 Burner Gas Stove w/ Oven
Shelving & Cabinets for Storage
U-Shaped Seating
Dining Table with removable center leaf
Dedicated Navigation Station

Entertainment

Bose Stereo
Bose Speakers (Interior)
Bose Cockpit Speakers

Cockpit & Helms

2 Aft Helm Stations
Dual Electrical Engine Controls
Lounge with Cushions

Sails, Rigging, Hardware

Foil-Shaped Carbon Rotating Mast
Mainsail w/ 2 Slab Reef Points(2007)
Self-Tacking Roller Furling Jib (2007)
2 x Symmetrical Spinnakers
Folding Bowsprit
Screecher Hardware
7 Self-Tailing Winches
1 Electric Winch
Standing Rigging Replaced (2019) w/Dyneema Shrouds & Backstays

Navigation and Electronics

Raymarine Chartplotter
Raymarine Autopilot
Raymarine GPS
2 x Raymarine Depthsounder
Raymarine Knotmeter
Engine Instruments
Tank Gauges
110V Circuit
Portable Generator – Honda 2000
Solar Panels (500 Watts)
4 x Lifeline AGM House Batteries (840 amp hrs – 2024)
1 Lifeline AGM Start Battery (2024)
Isolation Transformer
Battery Charger
Battery Management

Anchors & Ground Tackle

Primary Anchor – CQR 45lbs w/ 175′ Chain & 200′ Nylon Rode
Secondary Anchor-Fortress 21lbs with separate Rode
Anchor Windlass Remote
Anchor Bridle
2011 12′ AB Inflatable
2022 Suzuki 20hp Outboard
Dinghy Davits
Daggerboards
Magma Propane BBQ w 20lb propane tank
Personal belongings do not convey

Recent Maintenance & Upgrades

Bilge Pumps (2023)
Lifeline Batteries 840 Amp Hrs – House Bank (2024)
Lifeline Battery – Start (2024)
Clean Fuel Tanks & Polish Fuel (2023)
Dual Racor Filters (2023)
Fuel Pumps (2023)
Engines Serviced (2023)
Trampolines (2022)
Isotherm Fridge & Freezer (2022)
Fans & LED Lighting (2022)
Dyneema Lifelines (2022)
Suzuki 20hp Outboard (2022)
Bottom Paint (Nov 2022)
Water Pump & Filtration System (2022)
Canvas, Upholstery, Salon Settee (2021)
Cockpit Cushions (2021)
2 x Custom Queen Mattresses (2021)
Bimini (2021)
Mainsail Stack Pack (2021)
Covers & Bags (2021)
Plumbing Fixtures (2021)
Yanmar Engines (2019)
Sail Drives (2019)
Raymarine Chartplotter (2019)
Location : Puerto Vallarta, Jalisco Mexico
Price : $246,000
Year Built : 2007
Brand/Builder : Lidgard
Model Name : 43
Hull Form : Catamaran
Hull Material : Fiberglass/GRP
Boat Name : Incognito
Length Overall : 43
Beam : 26
Draft : 3.5 - 8
Propulsion : Twin Diesel
Engine Hours : 175
Fuel Capacity : 200
Fresh Water : 100
Waste : 40
Dinghy : 12 foot AB with Suzuki 20hp
Phone Number : Kurt: 619.571.3513
Vessel Type : Used-Brokerage Sail

Denison Yacht Sales/West Coast Multihulls offers the details of this yacht in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of this boat for sale. A yacht buyer should instruct his yacht broker, or his boat surveyors, to investigate such details as the buyer desires validated. This yacht for sale is offered subject to prior sale, price change, or withdrawal without notice.

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The first HH44 was launched in 2023 and premiered at the Cannes International Yachting Festival.

This innovative design is the “baby” of the HH Catamarans range and has some interesting features such as her closed transoms, swing aft helms and a side boarding gate aft.

She’s a very pretty cat and will turn heads in the marina. This is HH’s first hybrid electric-powered catamaran although you can also opt for standard diesel power with shaft drives.

There are 2 versions, like much of the HH range. The Sports Cruising model: HH44-SC and the Ocean Cruising model: HH44-OC. The SC version is a “no-compromise-boat” with C-shaped carbon daggerboards, a carbon rig, a painted hull finish and 4,232 watts of solar with EcoDrive.

The OC saves you some money with the same hull, interior fit and finish quality as the sportier SC but with an aluminium mast, e-glass longeron, white gelcoat finish and mini-keels as standard.

Many of the ideas on this boat have been driven by a desire to maximise solar generation. There are 4,232W of peak solar on the cabin top alone with an option for more on the davits.

To maximise the solar, they have positioned the helms aft in a traditional sporty set-up. That way, there’s plenty of surface area up top to load on solar.

To help you stay protected in weather, these swing inboard, under the long coach-roof.

There are foldaway seats that tuck into the sides allowing you to either steer the boat from an outboard position with the wind in your hair and your sails’ tell-tales in full view.

Or swing the helms inboard and steer from the protected three-seat sofa on the aft beam.

To make it easy to board the boat in the marina, there is a side gate aft for when you come in along the dock.

The HH44 has been designed to sail. The whole idea behind this catamaran is to get sailing in light winds (you should match wind speed on a beam reach) and to maximise your SOG over a wide range of conditions.

So she has a self-tacking staysail, a solent, a fractional reacher and a furling gennaker. The boom is very low over the coach-roof which keeps the centre of effort from the mainsail low.

There is a traveller aft on the coach-roof to manage your mainsail shape. The HH44 points well into the wind (45 TWA) thanks to her C-shaped daggerboards which provide a bit of lift at speed.

All the lines come back to the helm, so she is set up for short-handed sailing.

Pros & Cons

Light construction.

Carbon and epoxy have been used to build as strong and stiff a yacht as possible while minimising the weight.

All of the lines run under the decks, so you have clear walkways around the boat. Stanchions are 900mm tall and a continuous, unbroken toe rail runs the length of the deck with all hull and deck joints fused and hidden.

Living Space

Moving inside, you’ll notice that the aft cockpit and salon forms one fully protected space with a large sofa on the aft beam and her closed transoms make this a safe family boat.

The angular cabin has two large, forward-facing windows that open fully from the the generously sized (187 sq ft or 17.4m2) salon. The standing height is over 2m (6’6”) high throughout.

One of the things that sets the HH44 apart from her competition is the quality of the finish on this semi-custom yacht. She has foam core furniture and exceptional joinery throughout, and Bosch electric appliances as standard.

There are two options for a BBQ, one which replaces the aft sofa with a large LPG BBQ & Dive Tank station or you can mount an LPG Grill in the aft fishing rod holder, keeping the aft sofa. There is an outlet on the aft beam so you can run an electric BBQ.

In the salon, there is an L-shaped sofa with a table forward to starboard and a large nav station/workstation to port.

Tuck yourself into the U-shaped galley behind the nav station or pull out some cold ones from the fridge on the starboard side. The ventilation at anchor is excellent with those huge forward windows.

The starboard hull is the owner’s side and consists of the master cabin aft and a walk-in shower and head forward. The finish has an Italian feel to it and it is very light down here with a large window aft in the owner’s cabin.

This is a 44 foot performance cat, so there is not as much room down her as you’d find in a cruising cat, but she has ample space in the aft cabin and the storage is well organised.

HH offers three different forward cabin combinations. One is the standard layout with a single berth.

The second has a Pullman berth above the standard bed that folds away when not needed.

A third option does away with the beds and replaces them with a large work bench with shelves (for pantry storage or tools) and an extra Fridge/Freezer unit.

If you go for the option with the EcoDrive, the House Bank is powerful enough to run the A/C overnight without the need to run a generator. There is enough power to run the A/C in the master cabin for over three days.

EcoDrive, her Electric/Diesel Parallel Hybrid System The HH44 was designed from scratch to work with a parallel electric/diesel hybrid, with a minimum of 4,232W of peak solar array on the cabin top and hydro-regeneration while sailing.

EcoDrive gives you silent fume-free motoring at 7.5kts, fast torque for manoeuvring, and hydro-regeneration while sailing. Plus you have parallel, trusty diesel engines for safety.

A diesel engine is paired with a large electric motor, much like an alternator sits on a traditional diesel engine. A belt links the two units and a camshaft allows you to flip between the two power systems, giving you good redundancy. And remember, you have 2 of these systems on board!

The system is designed to offer from 1.5 to 3 hours of electric propulsion: more than enough time to exit the marina or anchorage and hoist the sails.

This boat has been designed to get sailing in light winds which ultimately is the key to an eco-friendly sailing yacht. And you will be recharging your batteries as you sail.

You can also fit the HH44 with traditional standalone diesel engines with shaft drives.

The HH44 is an innovative design that will appeal to sailors setting out across long distances who want to sail more and beat well to windward when needed. This yacht is in a different price league to something like an Aventura 37 of course, but there are two options here: the Sports Cruising and the Ocean Cruising models.

She’s a comfortable boat, although there is a trade-off on space down below particularly in the forward cabins.

With the EcoDrive option and a bow locker full of sails, you’ll be able to minimise your diesel usage on this boat while crossing oceans safely and quickly.

Length Overall	15.31m / 50.2′
Length at Waterline	13.37m / 43.86
Beam Overall	7.15m / 23.46′
Disp. (Light)	10.2 T / 22,487 lbs
D/L	111.5
Mainsail	72.4m2 / 779sqft.
Power	2 x 30HP+10kW hybrid
Draft (Boards up)	0.7m / 2.5′
Draft (Boards Down)	3m / 9.84′
Solent	44.1m2 / 475sqft
Gennaker	148.9m2 / 1603sqft
Staysail	23.9m2 / 257sqft
Bridgedeck	825mm / 2.7′
Reacher	84.8m2 / 913sqft
Disp. Max	14.5 T / 31,967 lbs

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23 rudder and daggerboards

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Catamaran basics The daggerboards: understanding and adjusting them

Having a catamaran with daggerboards means enjoying better pointing ability than an equivalent model equipped with fixed stub keels, which are inevitably shorter. It means that you can also optimize drag, speed and even safety. Partially integrated, with foils...an inventory of the daggerboards on our boats and how to use these appendages.

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Published 01/04/2015

By Emmanuel van Deth

Published: may / june 2015

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Issue #: 141

Published: May / June 2015

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1) All the Catanas are equipped with daggerboards. They are very long, and held structurally in their cases by the whole height of the hulls. Simple and strong, but beware of the significant windage in the raised position.

2) The latest Catana models are equipped with curved daggerboards. On the 59, the foil effect is worth 500kg at a speed of 15 knots.

3) The latest Outremers have adopted shorter structural cases, to reduce the size of the daggerboards. Less windage in the raised position and less weight, but the construction is more complex…

4) Numerous trimarans are also equipped with daggerboards/centerboards. They can be central and integrated into the accommodation, as aboard this Dash 750.

5) Other trimarans, such as the Tricat 25, are equipped with centerboards integrated into the floats.

6) Builders such as Outremer provide stopper knots for the daggerboard control lines; a good way to judge the position when the daggerboard is not visible.

7) Once the daggerboard is out of its case, it is easier to judge: the lifelines are an excellent adjustment indicator!

8) To windward in light weather, the daggerboards are fully lowered, to take advantage of maximum 'grip' on the water.

9) When the speed increases, it is worthwhile raising the windward board to optimize drag. Note: a daggerboard which moves is no use. Therefore we raise it!

10) But for safety, it is preferable to raise the leeward appendage: in the case of a strong gust, the risk of the boat ‘tripping up’ is thus reduced. The compromise could be to raise both the daggerboards by half... It’s up to you to judge!

11) Downwind, the daggerboards are no longer useful, especially when the boat exceeds 10 knots... Keeping one third of the surface can however help the helmsman or the autopilot to steer a straighter course.

12) Heavy weather? Raise them completely so the hulls slide. On the other hand, with big seas from behind, (just like downwind in more manageable weather) it may be useful to keep a little daggerboard lowered to avoid yawing.

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Performance Study of Daggerboards Versus Keels

Story by Phillip Berman / August 17, 2018

By: Phillip Berman, published with editor’s permission from Boating NZ and Blue Water Sailing

In my forty-five year career in the catamaran industry there’s been a relentless debate on the virtues and vices of daggerboards versus fixed keels. This debate has, however, mostly been waged without “hard numbers” from which to compare performance differences. As we have had requests at Balance Catamarans for both keels and daggerboards, Anton Du Toit (my design partner) and I felt we should conduct a study, the results of which follow.

When we first set out to design and construct the Balance 526 we were aiming for cruising couples who wanted more performance and quality than they could find in mass production cats, but also more interior space, payload capacity and ease of use and maintenance than consumers focusing primarily on speed. Our intent was to find the balance – not to create the “lightest and fastest 52” in the world, or the “largest 52,” but a catamaran that could sail swiftly on all points of sail, carry significant levels of payload, yet still be gracious to live on. We also wanted her to be pleasing to the eye.

Our focus at Balance brings us an interesting range of buyers, some of whom are more focused on strength, space, safety and comfort rather than all out speed (cruiser types), others who are more speed focused, less value oriented, and prepared to give up comfort, ease of operation and payload capacity to go a bit faster (racer types). The later sorts of buyers are mostly what I affectionately call “spreadsheet guys.” (Full disclosure: I am not a spreadsheet guy. I am far more focused on how a boat lives, how tough she is, what she can carry, and how simple she is to sail and maintain without a professional crew.)

As we have gone along a few of our customers have asked if we would create the 526 with performance keels rather than daggerboards. They felt that the advantages of keels trumped the performance advantages of boards. We were happy to comply, so Anton set about to design high performance keels for the 526. (Note: On our 451, we only offer her with dual daggerboards and two shallow permanent fixed minikeels. On all other Balance designs it remains customer choice which configuration they wish to have.)

What we were not prepared to do was tell 526 buyers how much faster or slower the two different configurations would be. We felt it best to heed Lord Bryon’s advice to evade “kant and hyperbole” (the language of the day at boat shows!) so we hired the Wolfson Unit for Marine Technology and Industrial Aerodynamics at the University of Southampton to conduct comparative studies of the two configurations on identical 526 models. When you are comparing identical products with just two different variables it seemed a worthwhile study to undertake and share with our customers. It also becomes, to some extent, a worthwhile study for anyone considering a new or used catamaran purchase who is curious how the two different configurations impact performance.

While Anton and I believe these studies can be used by consumers to compare the relative performance differences between boards and keels, it is important to note that the 526 is a very light, narrowhulled epoxy performance cat and the keels we install are considerably finer, deeper and more carefullyshaped than those found on mass production designs. Additionally, we conducted the study with the daggerboards in the fully down position on all points of sail to reduce the studies complexity. The daggerboarded 526 would be marginally faster than the study indicates off- the-wind with boards raised due to a further reduction of wetted surface.

The disparity between keels and boards on a mass-production cat compared to a Balance or any other performance cat would be exaggerated considerably compared to the study that follows. I would note that we erred on the side of caution in setting our lightship weight for this study at 12.5 kg. We have carefully lode cell weighed our 5th boat and the actual lightship weight is 12,215 kg, or 26,930 pounds for the keeled 526 and 12,261 kg, or 27,030 pounds for the daggerboarded 526. Our lightship weight could be lower for customers prepared to put their boats on a diet, or sacrifice quality in several areas, but we have found that they want as much cabinetry as possible, folding tables, glass salon windows, Corian counter tops, and high-end flooring inside and out, etc. Spreadsheet guys miss the mark on this subject constantly in my experience. They also wrongly compare boats based on length, rather than the interior volume of the hulls and bridge – what I call the sum total of fiberglass parts. Regardless, the polars closely mimic the high performance our yachts have proven in real life cruising, fully laden, so this gives us great confidence in the studies accuracy.

Performance, of course, is not the be all and end all, so it is important to examine the advantages and disadvantages of boards versus keels beyond speed. They are as follows:

Advantages to Keels:

No moving parts. One less thing to operate or break.
If you ground the boat you hit the keels and they are easily repaired and at a low cost generally.
You can chock the boat more easily on the hard and it is easier to beach in some circumstances.
They cost less to fabricate.
You get more room amidships for additional cabinetry.
The keels add a bit of buoyancy. On a 526 about 1,600 pounds as our keels are large and mostly hollow inside.
Daggerboards are typically a bit heavier. On the 526 each board and trunk weigh about 50 pounds more.
Poorly designed boards and trunks can allow the boards to rattle when they are not under load. Keels do not rattle.

Advantages to Daggerboards:

Boarded cats point higher and side-slip less as the study shows. I have noted that on keeled production cats you can “stick them up into the wind” but they tend to crab horribly when pinched, as such that you must crack off considerably to reduce leeway and sustain momentum. On most of the sea trials I conduct on production cats we “close reach” to windward on sea trials. This is less the case on deep, finely shaped performance catamaran keels.
The draft on most keeled catamarans is deeper than the draft on daggerboarded cats. Our 526 keeled version draws about 12 inches more than the daggerboarded version. On daggerboarded cats the rudder tip usually represents her deepest draft. It is important to note that some cats carry very stubby keels to sustain shallower draft, but the shallower the keel the less well she performs when sailing close to the wind. This is important to keep in mind if you are comparing performance on fixed keeled production cats.
Off the wind with the boards raised to 1/4 there is less drag and the boat steers and sails faster and more playfully.
The daggerboarded cat is a bit faster and makes less leeway on nearly all points of sail as the study shows in the majority of wind conditions.
An equally efficient set of keels have much more wetted surface than daggerboards, almost 4 times more. This is the case on our 526 keels.
Daggerboards set properly can assist in preventing a cat from a “tripping capsize” in very high winds with large breaking cross seas. Both boards can be fully raised, or only the leeward board raised, so the boat can side-slip easily.
Daggerboarded cats tend to have a bit higher resale value due to the fact that so few are produced in mass production. A buyer that wants boards will only focus on catamarans that have them.

Shifting our focus now to the performance data generated by Wolfson Unit. Their analysis returned the predicted boat speed and leeway angle for the Balance 526 with a keel design and daggerboard design for all combinations of true wind speed from 4 to 25 knots and true wind angles from 40 to 180 degrees. We can begin comparing these two configurations by directly comparing the speed and leeway at major points of sail, specifically beating, close, beam and broad reaching.

While beating the two designs are predicted to perform as follows: To summarize the upwind comparison, the daggerboard design is, on average, expected to sail 1.5 knots faster and 1.75 degrees higher. While close reaching the daggerboard design has less of an advantage than when beating, as can be seen from Table 2:

While close reaching the daggerboard design is expected to sail 0.5 knots faster and 0.75 degrees higher.

As the true wind angle approaches 90° for a beam reach, the keel and daggerboards become more closely matched.

In the beam reaching comparison the daggerboard design will sail slightly higher with a leeway advantage of about 0.25 degrees but it’s speed advantage in 5 knots TWS of 0.3 knots will fade to a 0.5 knot deficit in 16 knots TWS. At this point of sail the two designs are considered to have equal performance as the differences in leeway and boat speed are negligible.

Finally, while broad reaching the following speeds and leeway’s are expected.

In summary, when broad reaching the daggerboard design regains a slight advantage, as it maintains an additional 0.5 knots of boat speed. Leeway differences are again negligible.

Considering the above analyses, it can be seen that the daggerboard design will typically not only outperform the keel design but also out point it, make less leeway close to the wind, therefore giving the daggerboard design a substantial advantage when racing, or for performance focused sailors.

This data gives a fair comparison of the two designs at specific true wind speeds and angles but in order to fully understand the performance trends and enable better predictions between them, one must consider the entire range of wind conditions and all points of sail. This is best done with the use of speed and leeway deltas, where the differences between the two designs are calculated and analyzed.

The following two figures display the average speed and average leeway deltas. The calculation process to determine the deltas is chosen such that a positive value for the delta indicates an advantage for the daggerboard design, and a negative value favors the keel design. For example, a speed delta of +2 knots and a leeway delta of -1 degrees means that the daggerboard design is 2 knots faster than the keel design under the same conditions but would sail 1 degree lower than the keel design.

Counter to this, while still on a beam reach but when moving from a low wind condition to a high wind condition, the keel design begins to perform better. This is now taken from the green line (14 to 25 knot TWS range) and gives a -0.6 knot reading. Therefore the daggerboard design is now expected to be about 0.6 knots slower than the keel design under the new, higher TWS conditions.

Figure 2 is used in the same manner as Figure 1 but shows the leeway angle of each design rather than boat speed. Focusing again on a beam reaching condition, the leeway deltas indicate that the daggerboard will always out point the keel design as all three lines (TWS from 4 to 25 knots) indicate. positive values of 0.3, 0.35, and 0.1 degrees at 90 degrees TWA. Overall, Figure 2 shows that the daggerboard design has a significant gain in leeway over the keel design at all wind speeds and angles. This reaches a maximum when beating (TWA ±40-45 degrees) of 2 degrees, and declines to zero when running (TWA ±180 degrees).

With respect to the average boat speed deltas, Figure 1 shows that the daggerboard maintains a higher boat speed when sailing in light and medium winds (red and blue lines in Figure 1). In stronger conditions (green line) the daggerboards yield better boat speed when beating but the keel surpasses this between TWA of 60 to 145 degrees. Keeping in mind that the study was conducted with the daggerboards fully down at all times, in reality, the daggerboards will be raised in the 60 to 145 TWA range. As such the study slightly underestimates the speed of the daggerboard design over this TWA range.

Overall the daggerboard outperforms the keel in both boat speed and leeway in the vast majority of sailing conditions and is thus considered to be the better design choice if achieving ultimate performance is the key criteria. It should be noted that this study is specific to the Balance 526, but corresponding trends can be expected in performance cats of similar size and design.

In the end, and it is a point I cannot stress enough to any boat purchaser, all boats are sets of compromises and trade-offs, and so too with features – helm designs, sheeting systems, rig layouts, bimini designs, bed designs and locations, baths, engine placement, etc. Because I have been deeply involved in brokerage catamaran sales much of my life I recognize there is no one right or wrong boat, certainly no perfect boat, only a boat that happens to be a better fit for a particular sailor and his or her budget, cruising agenda and specific aesthetic proclivities.

At least now we can say that if someone wants a 526 with keels, here is how she will perform compared to a boarded version. It is then up to the buyer to decide which configuration is the most appealing to them. I will say that, based on the five 526 we have sailing today, with over 60,000 miles of sailing behind them, those owners with keels seem quite happy, just as those with boards.

Alright spreadsheet guys, here’s your numbers to mess with!

Phil Berman is a former Hobie Cat World Champion and the founder of The Multihull Company, a global catamaran yacht brokerage firm. He is also the owner of Balance Catamarans, a boutique brand of high-end performance voyaging catamarans. He can be reached at [email protected] .

About Phillip Berman

Are you a Spreadsheet Guy?
Balance Catamarans is Born: A Bold Move in a Challenging Market
Can a catamaran really sail upwind?
Catamaran Depreciation
Catamaran Vs Monohull
Daggerboards vs. Keels
Lessons Learned From A Free Spirit
Placing a Boat Into Bare Boat Charter
Post Survey Negotiations
Saildrives or Straight Shafts? Which is Best For Me?
Seller's Guide To Yacht Sales
The 14 Biggest Mistakes When Purchasing a Used Catamaran and How to Avoid Them
The 14 Biggest Mistakes When Purchasing a Used Cat…and How to Avoid Them Part Two
The Perils of Internet Catamaran Shopping
The Ten Commandments of Buying a Catamaran

Sailing the Tao 452

The multihull company announced as distributor for omaya yachts, the multihull company announces the sale of the first pre-owned balance 482.

Introducing the Tao 452: On Display At The Annapolis Boat Show October 12 - 15, 2023

Join Us At The Annapolis Boat Show Aboard the Voyage 590

The multihull company announced as dealer for the voyage 590, 6 great starter catamarans.

Ian Edmonson Joins TMC As Yacht Broker in Fort Pierce, FL.

Categories: Articles , Articles by Phil Berman , Balance Catamarans , Catamaran Handling , Cruising Lifestyle , Design and Construction

Recent News

The multihull company opens a new office on florida’s gulf coast.

The Multihull Company is pleased to announce that Josie Tucci has joined its team of expert yacht brokers in the Gulf Coast. Josie brings over 25 years of experience in the marine industry, with a strong focus on catamarans.Josie's career began in France with Dufour Yachts, where she honed her sales and marketing skills. She then transitioned to the US,...

Join Multihull Company Broker Captain Conor Dugan as he takes the helm aboard ‘Moxie’ in the azure waters of the Bahamas, to see how the Tao 452 performs under sail with a full cruising payload. https://youtu.be/V2scHvqn5vI?si=kuLwjFCYQdFj0_KW

The Multihull Company is thrilled to announce its appointment as the exclusive distributor for Omaya Yachts, an exciting new brand of Power Catamarans built with precision at the esteemed Elica Yard in Silastra, Bulgaria. This exciting new partnership further solidifies The Multihull Company's position as a premier distributor in the maritime industry, offering clients unparalleled access to cutting-edge vessels designed...

In early 2023, Cruising World approached us to seek our opinion on recommending a couple of brokerage catamaran options for first time catamaran buyers to consider when they first stepping into the catamaran market. Here are six boats hand-picked by The Multihull Company’s president and CEO, Capt. Will Miller, as excellent choices for brokerage-catamaran seekers. These are all worth a...

The Multihull Company Named Exclusive Dealer for Dolphin Catamarans and their New Model, the Dolphin 380

The Multihull Company, the world’s leader in multihull sales and service is excited to announce that it has been named the exclusive dealer for Dolphin Catamarans, a premier builder of high-quality catamarans, and their newest model, the Dolphin 380, designed by Philippe Pouvreau. "We are thrilled to be working with Dolphin Catamarans again and to be able to offer their...

The Multihull Company is thrilled to participate in the 2024 Annapolis Sailboat Show, held from October 10 – 14, 2024 in downtown Annapolis, Maryland. The Annapolis Boat Show is a highly anticipated annual event that brings together boating enthusiasts, industry professionals, and maritime aficionados from around the world. Visitors to the Annapolis Sailboat Show can look forward to an exclusive...

The Multihull Company is pleased to announce the closing on the Balance 482 "SeaLife" We wanted to take a moment and thank her new owners on their amazing new catamaran, and to also congratulate our team handling the sale. TMC agent Andrew Hodgdon successfully represented the buyers on the sale of the vessel, while TMC CEO Will Miller represented the...

Introducing the Tao 452: On Display At The Annapolis Boat Show October 12 – 15, 2023

The Multihull Company is thrilled to unveil the new Tao 452, an exciting addition to the world of blue-water performance cruising catamarans. Meticulously engineered and crafted to perfection, the Tao 452 is set to redefine the catamaran experience for sailors worldwide. If you've ever felt the need for more sailing performance from your current production charter catamaran or been disappointed...

The Multihull Company is excited to announce its participation in this year's Annapolis Sailboat Show. The event will be held from October 12 - 15, 2023 in downtown Annapolis, and The Multihull Company will be showcasing the exquisite Voyage 590 catamaran from Voyage Yachts. The Annapolis Boat Show is a highly anticipated annual event that brings together boating enthusiasts, industry...

The Multihull Company is pleased to announce their appointment as a dealer for Voyage Yachts and their new model – the Voyage 590! The Voyage 590 is being celebrated as the ultimate, luxury sailing catamaran with all the comforts of home surrounded by panoramic views of paradise. She maximizes luxury accommodation and comfort, with the performance and blue-water capability characteristic...

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Andrew Hodgdon and The Multihull Company have done an extraordinary job facilitating the sale of our catamaran. There were a couple of challenges (geography and timing) that made this sale a little tricky, but, as usual, Andrew was amazing. I’ve been buying and selling cruising boats for over 12 years and Andrew is, without a doubt, the best broker I’ve worked with.

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Andrew Hodgdon at TMC-St. Augustine kept us thoroughly informed during the sale of our boat and took the extra steps necessary to complete the deal. His knowledge of the process made a complex deal very easy. Needless to say, we are extremely happy and satisfied with the job that Andrew did.

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A shout out to Andrew Holland at the TMC main office, who handled the closing transaction of the sale of our boat. Very professional and thorough. Thank you!!

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IMAGES

Easton 42 aluminium daggerboard cruising catamaran For Sale
Easton 42 aluminium daggerboard cruising catamaran For Sale
Easton 42 aluminium daggerboard cruising catamaran For Sale
Kurt Hughes Sunchaser 58 Daggerboards For Sale
Easton 42 aluminium daggerboard cruising catamaran For Sale
Easton 42 aluminium daggerboard cruising catamaran For Sale

VIDEO

Daggerboards or Keels
Roger's Craft -- 10m x 3 5m catamaran boat video
2001 Conser 50' catamaran for sale
2022 Current Marine 46 Vessel Walkthrough
Outremer 45 Catamaran IMA for sale
KSS46 catamaran "Petiso"

COMMENTS

9 Best Cruising Catamarans With Daggerboards or Centerboards!
The best cruising catamarans with daggerboards or centerboards provide great cruising capability, comfortable living, ease of handling, and strong construction. Based on different styles, designs, sizes, and prices, some of the best catamarans are Outremer 45, Catana 50, and Balance 526. If catamaran cruising is a passion you have been longing ...
Catamaran boats for sale
With her foam core hulls and decks, carbon daggerboards, heavily carbon reinforced structures and full epoxy construction, she's built and sails just like a high-performance racing cat yet remains amazingly easy to operate and maintain. ... There are a wide range of Catamaran boats for sale from popular brands like Fountaine Pajot, Lagoon and ...
Multihull Keels and Daggerboards
The speed advantage of most daggerboard catamarans vs. keel catamarans though is often exaggerated. On a typical day sail a well trimmed and tuned keel cat will only be slightly slower than a daggerboard cat. Multihulls lack the feeling of being in the "groove", which monohull sailors enjoy.
The Multihull Company
Introducing the Tao 452: On Display At The Annapolis Boat Show October 12 - 15, 2023. The Multihull Company is thrilled to unveil the new Tao 452, an exciting addition to the world of blue-water performance cruising catamarans. Meticulously engineered and crafted to perfection, the Tao 452 is set to redefine the catamaran experience for ...
2019 Hughes 40-46 Tri Multi-Hull for sale
The Seller has just completed carbon ama daggerboards and trunks for Amilee to ensure that Amilee can both point high and be beached on her mini-keel as originally intended. The Seller has also just ordered new squaretop main with lazy bag and genoa. This boat will shortly be complete and ready to sail.. This is a rare opportunity for a trimaran sailor.
Catana Catamarans For Sale
Lastly, they are designed with daggerboards, which allows Catana catamarans to outpoint any other cruising catamaran brand afloat. ... S/V Morgane is a 1996 Catana 381 catamaran, for sale by owner. At just under 39 ft. LOA, the Catana 381 is the smallest (& most affordable) of the popular Catana range of performance cruising catamarans. ...
DAGGERBOARDS VS KEELS
Dual daggerboards add about $30,000 to the construction cost of a 45 foot catamaran. Dagger-boarded cats are not a good idea for bare-boat chartering because bare-boat sailors run aground a lot. Even if they are told to raise the dagger-boards when they are not beating, they forget which results in broken daggerboards.
Lidgard 49 Performance Daggerboard Catamaran For Sale
19mm ATL Duflex, Epoxy, 2x 400g biaxial inside and outside. Engine. N4.38 coupled to ZF MIV15 (new 11/23) and 1 ¼" dia ~ 2205 Stainless propeller shafts. Aft access from main deck. Steering: Jefa (Denmark) torque tubes and gearboxes with new spare $6000 Jefa autopilot motor.
HH44- Innovative, Immaculate and Incomparable
The HH44-SC integrates the very latest in race boat technology but remains equally as comfortable as a family cruiser. This is a "no-compromise-boat" with C-shaped carbon daggerboards, a carbon rig, a painted hull finish, expanded solar array and EcoDrive as standard equipment. Contact our sales team to receive detailed specifications.
Catamaran Daggerboards and Keels
Woods 36 Vardo with Keels. So there's the two factors: one is the the sea kindliness of having daggerboards, and the other is the better performance. A daggerboarded boat is always better, but it does have some disadvantages. The main one is that if you want to beach your boat or dry it out.
HH60
HH60-SCF (Forward Helm) The HH60-SCF is the same boat as the SC, but features a forward cockpit and optional aft tiller chairs. This lowers the boom, reduces weight and increases sail area (and performance). It also makes room for an industry leading 5,774 watts of solar on the coachroof and davits. Better by design.
Florida Catamarans For Sale
Lagoon 400 (Florida) Asking: $349,000 (USD) Duty Paid. S/V Second Wind is a Riviera Beach based 2012 Lagoon L400 Catamaran For Sale by Owner. Photos & Details Contact Catamaran Owner. New Arrival! (2024-09-04) Second Wind is a 2012 Lagoon L400 owners version with 3 cabins and 2 Heads. Never chartered and we are the 4th owners.
Used Catamarans For Sale
The Multihull Company Named Exclusive Dealer for Dolphin Catamarans and their New Model, the Dolphin 380. The Multihull Company, the world's leader in multihull sales and service is excited to announce that it has been named the exclusive dealer for Dolphin Catamarans, a premier builder of high-quality catamarans, and their newest model, the Dolphin 380, designed by Philippe Pouvreau.
Gunboat Catamaran boats for sale
2016 Gunboat Gunboat 78. US$6,926,750. ↓ Price Drop. Northrop and Johnson (Palma) | Barcelona, Barcelona. Request Info. <. 1. >. * Price displayed is based on today's currency conversion rate of the listed sales price.
Lidgard 43 Performance Catamaran in Mexico
Incognito is custom-built bluewater performance 43′ cruising catamaran with daggerboards and a foil-shaped carbon rotating mast. Super light and designed for speed, this cat easily sails 10 knots but has reached up to 20. With daggerboards up, her draft is only 3'5″ making it easier to navigate shallower waters. Yanmar engines, sail drives and standing …
HH44 Performance Sailing Catamaran Review
The HH44 was designed from scratch to work with a parallel electric/diesel hybrid, with a minimum of 4,232W of peak solar array on the cabin top and hydro-regeneration while sailing. EcoDrive gives you silent fume-free motoring at 7.5kts, fast torque for manoeuvring, and hydro-regeneration while sailing. Plus you have parallel, trusty diesel ...
23 rudder and daggerboards
Stiletto Classics For sale. stiletto 23 June 1, 2020. sold 1981 Stiletto 27 Catamaran February 2, 2020. 1979 27′ Stiletto Se January 25, 2020. Cruise; Compete; Charter Locations; Learn; Discover Stiletto Catamarans; ... I have a pair of 23 Daggerboards and a rudder and all the mast parts best offer.716 392 4255
Gunboat boats for sale
Gunboat. Gunboat is a yacht brand that currently has 17 yachts for sale on YachtWorld, including 4 new vessels and 13 used yachts, listed by experienced yacht brokers mainly in the following countries: United States, Bahamas, Spain, France and New Zealand. The selection of models featured on YachtWorld spans a spectrum of sizes and lengths ...
Used Kurt Hughes Sunchaser 58 Daggerboards for Sale
BOAT SHOW BUYERS - Available for viewing at The Boatworks! This vessel is in excellent condition and a credit to her experienced owners who have worked hard to upgrade, maintain and present "Moggy" in Cruise Ready condition. QLD registration BIP97Q exp 27/11/24. Price. AU $825,000. Vessel Name.
Catamaran basics The daggerboards: understanding and adjusting them
Having a catamaran with daggerboards means enjoying better pointing ability than an equivalent model equipped with fixed stub keels, which are inevitably shorter. ... For all used-boats for sale Classified ads View classified ads. Lagoon 630 MY (2016) v. 5 cabins Location : Athenes, Greece Year : 2016 1 750 000, 00 Inc. tax€ Lagoon 470
Sail Catamaran boats for sale
Listed hull types include catamaran, monohull, trimaran, deep vee and other. Built by a wide variety of yacht building companies, YachtWorld presently offers a selection of 1,914 catamaran yachts for sale. Among them, 480 are newly built vessels available for purchase, while the remaining 1,434 comprise used and custom yachts listed for sale.
Performance Study of Daggerboards Versus Keels
As we have had requests at Balance Catamarans for both keels and daggerboards, Anton Du Toit (my design partner) ... TMC agent Andrew Hodgdon successfully represented the buyers on the sale of the vessel, while TMC CEO Will Miller represented the... Introducing the Tao 452: On Display At The Annapolis Boat Show October 12 - 15, 2023.
Sail Catamarans 40ft > 50ft
For sale by owner. Price reduced $70k! The boat has been imported to Australia, and is available for viewing upon request.…. The Leopard 46 Sailcat "Indigo" is located in the Whitsundays which offers some of the most stunning cruising grounds…. Sail Catamarans 40ft > 50ft Used Yachts For Sale in Australia.