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Allen Lightning, 1971 Hull # 11815, 19’.
Asking $750 firm.
In fair to rough condition, but usable.
Has older main and Jib. Standing rigging appears to be original, but usable. Running rigging for Jib and Main are there and usable, though some of the lines should be replaced if it was going to be sailed hard. Needs hiking straps and floorboards, if you want them. Spinnaker is shredded, but included. No running rigging for spinnaker, except halyard and pole (needs sheets and guys). Has a stainless daggerboard. Daggerboard rigging needs some minor repair, but works as is. I sailed this boat about 2 years ago, and it’s too much for me to single-hand. Sitting since. Some dings and not-so-great repairs in the hull, but I’m not aware of any leaks. Fresh paint would do wonders. Has Andersen self bailers. Trailer is in poor shape, but rolls. recently re-mounted tires and greased hubs. 1 7/8” ball. Trailer needs lights.
I believe this boat was previously sold on this website:
https://www.sailingtexas.com/slightning107.html but has been sitting for a while and needs love.
Located in Alvin, Texas.
Texas title for boat, trailer is not registered.
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
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
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
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
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
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 Beam1.33)
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)
One of the most popular one-design classes in the US since the 1940’s. But fleets also exist in other parts of the world.
Although originally designed for wood planked construction, nearly all boats since the early 1960’s have been built of fiberglass.
Ballast above is max weight of centerboard.
This listing is presented by SailingTexas.com. Visit their website for more information or to contact the seller.
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