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-excellent set of North sails including white spinnaker that has never been flown. Plus a North Big Foot Jib with blocks on clue. -Quantum main, jib, spinnaker (red). Perfectly functional. - Spinlock rig tension gauge. -2 winch handles, Harken winches. -running rigging all in very good shape. New spectra Main halyard with soft shackle, other spectra rigging. -very clean inside and out. -Honda 2Hp air cooled 4 stroke. Reliable, light. Spring loaded lifting aluminum mount. - full mast up cover - never used. -decent trailer. - has the updated lifting eye - attaches to 2 keel bolts. - had a new main bulkhead installed 18 months ago. Not absolutely necessary but I am a professional yacht captain so I dont mess around with things like that. I just had it done to be sure. Photos all from the past week. Located in Houston. $15,000 OBO I am moving overseas so want to sell quickly. DrewPeerless@gmail.com 713-530-9193
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)
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