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1993 B25 racing sailboat for sale. Race ready, super charged, trailerable, late model hull number 41. In excellent condition ready to sail. Includes trailer and outboard. Set up for racing and easily converted for performance daysailing. Keel lifts for trailering.
Equipment: Nice trailer, with new bunks and lights. Choose one of two outboards available. Two rudders: one Phils Foils carbon fiber rudder, second a Ruddercraft rudder Raymarine depth Tides Marine main slide system Two forestays: one Selden roller furling plus one regular hank-on forestay, depends if youre racing or daysailing Extra set of Dynemma standing rigging in addition to the SS rigging Two winch handles with cockpit mounted holders 8 SAILS 1 jib almost new for roller furling with Sunbrella uv protection 1 Hank on jib 1 almost new black Technora full roach mainsail with mainsail flicker 1-135 % Genoa black 1-150 % Genoa almost new black Technora 3 spinnakers: two masthead, one standard for fractional rig, with three spinnaker launching bags Spinnaker pole 4 custom sheet bags 2 sail covers Tiller cover and tiller extension Boom kicker Tic Tak digital compass Anchor and rode Set up for trailer or hoist launching with 2 keel lift mechanisms (one custom designed to use electric drill) one factory standard 4 life preservers Cooler 16:1 backstay adjuster 8:1 boom vang Full lifelines Four winches Bow and stern pulpits Jib and Genoa inboard and outboard tracks Nicro solar vent Battery for instruments and running lights Ronstan auto ratchet blocks with Dynema links Harken windward sheeting mainsheet system Motor bracket Boat comes loaded with equipment.
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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