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Lightning Class News
About the lightning.
- Design: Sparkman & Stephens, 1938
- Over 15,000 built
- More than 100 active Fleets worldwide
- Length: 19'0" (5.8m)
- Beam: 6'6" (2m)
- Displacement: 700 lb (318 kg
- Draft (board down): 4'11" (151.3cm)(board up): 5" (12.8cm)
- Mast height: 26'2" (7.9m)
- Sail area (main & jib): 177 sq.ft. / spinnaker): 300 sq.ft.
Recent Blogs
Facebook happenings.
Regatta Winners
After a 20 year hiatus Lightnings sailed on Lake San Pablo, 9000 feet above sea level for the ECU National Championship ! Congratulations to Jonathan Martinetti, Moira Padilla, Alisson Haon for winning with 8 points. Team Wiener finished second with 16 points and Team Birkett finished 3rd with 18 points.
Upcoming Events
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- Sailboat Guide
1969 Allen Boat Co 11330 Lightning
- Description
Seller's Description
Lightning 19’ Allen Boat Co. #11330 ILCA certified. Seaworthy and ready to sail. Could use some tlc but is structurally sound and fun for captain and crew to race or cruise. Garage kept and ready for a new home.
Equipment: Aluminum Mast, 2jibs, 2mains, spinnaker, centerboard, rudder, and trailer. All garage kept.
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)
This listing is presented by SailboatListings.com . Visit their website for more information or to contact the seller.
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