The J100 is a 32.8ft fractional sloop designed by Johnstone and built in fiberglass resin infusion with balsa sandwich deck and hull by J Boats since 2005.
The J100 is a light sailboat which is a very high performer. It is stable / stiff and has a good righting capability if capsized. It is best suited as a racing boat. The fuel capacity is originally very small. There is a very short water supply range.
J100 for sale elsewhere on the web:
Main features
| Model | J100 | ||
| Length | 32.80 ft | ||
| Beam | 9.28 ft | ||
| Draft | 5.75 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
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| Sail area / displ. | 26.63 | ||
| Ballast / displ. | 37.69 % | ||
| Displ. / length | 118.98 | ||
| Comfort ratio | 17.14 | ||
| Capsize | 1.99 |
| Hull type | Monohull fin keel with bulb and spade rudder | ||
| Construction | Fiberglass resin infusion with balsa sandwich deck and hull | ||
| Waterline length | 29 ft | ||
| Maximum draft | 5.75 ft | ||
| Displacement | 6500 lbs | ||
| Ballast | 2450 lbs | ||
| Hull speed | 7.22 knots |
We help you build your own hydraulic steering system - Lecomble & Schmitt
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 578 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 221.38 sq.ft | ||
| Sail area main | 256.50 sq.ft | ||
| I | 38.50 ft | ||
| J | 11.50 ft | ||
| P | 38 ft | ||
| E | 13.50 ft |
| Nb engines | 1 | ||
| Total power | 14 HP | ||
| Fuel capacity | 10 gals |
Accommodations
| Water capacity | 15 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | J Boats | ||
| Designer | Johnstone | ||
| First built | 2005 | ||
| Last built | 0 | ?? | |
| Number built | 0 | ?? |
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- Sailboat Guide
J/100 is a 32 ′ 9 ″ / 10 m monohull sailboat designed by Rod Johnstone and built by J Boats starting in 2005.
Rig and Sails
Auxilary power, accomodations, calculations.
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL
Sail Area / Displacement Ratio
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64) 2/3
- SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D : Displacement in pounds.
Ballast / Displacement Ratio
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
Displacement / Length Ratio
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
Comfort Ratio
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )
- D: Displacement of the boat in pounds
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
Capsize Screening Formula
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
Shoal draft: 4.5’. Carbon spar opt. Removable Hoyt (self tacking) jib boom opt.
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J/100 Shoal draft
Sailboat specifications.
- Last update: 13rd March 2020
J/100's main features
J/100's main dimensions, j/100's rig and sails, j/100's performances, j/100's auxiliary engine, j/100's accommodations and layout.
Similar sailboats that may interest you:
J-Boats J100
- 2005 - 2017
Description
J/100 is very different from many other (especially European) 30-PhotoView. If Europe 30-gutovic is a complete cruising boat, the J/100 is, rather, daysailer. He is deprived of many familiar comforts, for example, a full galley or refrigerator, but has many other advantages familiar to any sailboat. It is a lightweight sports boat that feels more like steering the Dinghy. It can literally turn on a dime and respond instantly to any taps and wind gusts. Practice shows that in many regattas the J/100 came to the finish line sooner than larger yachts with larger sails. As a result, the honorary title of yacht of the year in USA in 2005.
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J Boats - Sailboat Data, Parts & Rigging
Sailboat data directory for sailboats manufacturer or named J Boats. Follow the provided links for additional sailboat data, parts and rigging specs.
Sailboat Data directory for over 8,000 sailboat designs and manufacturers. Direct access to halyards lengths, recommended sail areas, mainsail cover styles, standing rigging fittings, and lots more for all cruising and racing sailboats.
MAURIPRO Sailing offers a full range of sailboat and sailing information to help you find the correct sailboat part, one that properly would fit your sailboat and sailing style. Our sailor's and sailboat owner support team are ready to talk with you about your specific sailing needs, coming regatta, or next sailing adventure.
From all at MAURIPRO, let's Go Sailing!
Copyright © 2024 MAURIPRO Sailing LLC.
IMAGES
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COMMENTS
LENGTH: Traditionally, LOA (length over all) equaled hull length. Today, many builders use LOA to include rail overhangs, bowsprits, etc. and LOD (length on deck) for hull length. That said, LOA may still mean LOD if the builder is being honest and using accepted industry standards developed by groups like the ABYC (American Boat and Yacht Council).
J/100. 100% Perfect for a day's sail. Recapture the Joy! There's nothing quite like steering a sleek, fast boat with a light touch on the tiller, the stability of a keel below, being close to the water and sliding through waves with barely a whisper. One's standard of acceleration and that feeling of being one with wind, wave and boat ...
2 cylinder Yanmar 15HP diesel saildrive engine with geared folding prop. Engine instrument panel with tachometer, engine hour gauge and water, oil pressure alarms in cockpit with acrylic cover. Engine throttle control with neutral safety switch. 10-gallon fuel tank with baffles and inspection/clean out port. Systems.
Sailboat specifications. Last update: 13rd March 2020. The J/100 is a 32'10" (10m) dayboat designed by Rod Johnstone (United States). She was built since 2004 (and now discontinued) by J/Boats (United States). The J/100 is as well listed, on Boat-Specs.com, in Shoal draft version (see all the versions compared).
The J100 is a 32.8ft fractional sloop designed by Johnstone and built in fiberglass resin infusion with balsa sandwich deck and hull by J Boats since 2005. ... The data on this page has been derived from different sources but a significant part is attributed to sailboatdata.com. We thank them for their encouragements and friendly collaboration.
100-200: light. A measure of the weight of the boat relative to it's length at the waterline. The higher a boat's D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Comfort Ratio.
J/Boats. The J/100 is an interesting counterpoint to the three dayboats featured in this article. Unlike the Hinckley, the Morris, and the Friendship, which began with traditional designs brought into the new millennium via modern underbodies and cutting-edge gear, J/Boats started with a thoroughly modern design, then added state-of-the-art systems and hardware to evoke an age-old carefree ...
Builder: J/Boats, 401-846-8410, www.jboats.com. Displ. As first impressions go, J/100 hull number two stood out in fine company moored off the New York Yacht Club's Harbour Court facility in Newport, Rhode Island. From shore I sized up the boat lying still at her mooring plumb bow, clean and simple deck, wide-open cockpit, narrow blue hull, and ...
SAILING WORLD REVIEW. J/100-The Perfect Day Racer/Weekender. J Boats, with their slogan "Better Boats for People who Love to Sail," has done it again. The J/100, a sleek 33-footer, has all the ingredients for a winning Boat of the Year formula: looks, simplicity, speed, and price. The J/100 is eye-catching mooring candy.
Sailboat specifications. The J/100 is a 32'10" (10m) dayboat designed by Rod Johnstone (United States). She was built since 2004 (and now discontinued) by J/Boats (United States). The Shoal draft version features a shorter keel to grant access to shallow areas. The J/100 is as well listed, on Boat-Specs.com, in Standard version (see all the ...
2005 J Boats J/100. US$89,900. ↓ Price Drop. US $683/mo. Atlantic Yacht Sales | Chester, Nova Scotia. Request Info; Sponsored Boats | related to your search. 2023 Sea Hunt Escape 250. US$99,950. Bluewater Yacht Sales | West Point, Virginia. 1960 Rhodes Bounty II. US$38,000.
By 1992, Rod's sons Jeff (president) & Alan (vice-president) and nephew Jim (sales director) were managing company operations & sales from J/Boats Headquarters in Newport, RI. with five of Bob & Rod's sons (Jeff, Alan, Stu, Drake and Phil) on J/Boats, Inc. Board of Directors. More than 9000 J-Boats have been built. J/Boats, Inc. 557 Thames Street.
Sailboat Data directory for over 8,000 sailboat designs and manufacturers. Direct access to halyards lengths, recommended sail areas, mainsail cover styles, standing rigging fittings, and lots more for all cruising and racing sailboats. MAURIPRO Sailing offers a full range of sailboat and sailing information to help you find the correct ...
The trend toward designing beamy aft sections and jamming every conceivable convenience into bigger and bigger production cruising boats continues, but the folks at J Boats are taking a different tack with the new J/100. It's a sleek, narrow 33-foot daysailer/weekender that's touted to provide the sailing performance J Boats is known for without any of the hassle that sometimes accompanies bigger
Description. The J100, the epidemy of class and performance. Jboats most sought after daysailer model ever. Become the next owner of this beautifully cared for shoal draft J100. Decks are in excellent condition and look super sharp with varnished teak toe rail. Fresh bottom paint in 2024.Upgrades include: Black Awlgrip Hull. New B&G Chart Plotter.
A self-bailing cockpit, a closed transom for seakeeping safety, lifelines provide comfort and peace-of-mind while sailing offshore. A bona-fide marine head, teak trimmed storage shelves for books and personal gear, and a comfortable interior berthing arrangement define the J/100 as more than just an open-cockpit daysailer.
Some of the most widely-known J Boats models currently listed include: J/105, J/109, J/99, J/100 and J/112E. Specialized yacht brokers, dealers, and brokerages on YachtWorld have a diverse selection of J Boats models for sale, with listings spanning from 1979 year models to 2025. Find J Boats for sale in your area & across the world on YachtWorld.
J/100 is very different from many other (especially European) 30-PhotoView. If Europe 30-gutovic is a complete cruising boat, the J/100 is, rather, daysailer. He is deprived of many familiar comforts, for example, a full galley or refrigerator, but has many other advantages familiar to any sailboat. It is a lightweight sports boat that feels ...
If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of J/100. Built by J Boats and designed by Rod Johnstone, the boat was first built in 2005. It has a hull type of Fin w/bulb & spade rudder and LOA is 10.
White gel coat hull with single (1.50" to 3.00") tapered bootstripe. Large sit-in cockpit with 6.5' seats with backrests, suitable for cockpit cushions. One lazarette locker and two cockpit seat lockers w/flush spring loaded latches. Swimming and boarding platform sculptured into transom with integral ladder.
Greatest maximum speed (kts) POL20180 I LOVE POLAND 24.52. USA/CAY007 Vesper 19.67. GER7111 VARUNA 19.44. GER/BOD49 WILD LADY 19.09. USA45 BELLA MENTE 18.46. ITA18215 ANYWAVE 17.96. GER7323 MILAN 17.92. USA28686 OC-86 17.8.
Sailboat Data directory for over 8,000 sailboat designs and manufacturers. Direct access to halyards lengths, recommended sail areas, mainsail cover styles, standing rigging fittings, and lots more for all cruising and racing sailboats. MAURIPRO Sailing offers a full range of sailboat and sailing information to help you find the correct ...
J/70 - Sailing Fun for All Ages. The J/70 speedster is a fun, fast, stable 22 footer that tows behind a small SUV and can be ramp-launched, rigged and sailed by two people. J/70 sails upwind like a proper keelboat and then simply flies off-the-wind - planing into the double digits in moderate breeze. With 1,700+ boats delivered worldwide, the ...