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Warbonnet was a winning boat in Marblehead in the 1980s and as legend had it, she demonstrated her endurance thru the challenging winds and waves in New England. Her second owner cruised with his family enjoying weekends anchored off the islands. I bought her 4 years ago with the intention to race so bought top of the line racing sails, stripped old bottom paint, faired the keel, sealed the bottom with Interlux 2000x, covered it with Black Widow bottom paint burnished to 600 grit, replaced lots of rigging and began to climb to the front of the pack. But now that shes geared up and ready to race, I need to let her go. My wish is that the buyer be someone who wants to capitalize on her racing potential. But alas we know that she can change back into her older sails, put on her auto pilot and take off for a cruising vacation too. Evelyn 26’ refitted and rigged to win and fun to cruise.
Equipment: North Sails (3Di). Main, Jib and 150 Genoa all in excellent condition. Symmetric and asymmetric spinnakers, fair condition. 2 new self tailing winches New head stay and foil New traveler and deck fittings Autopilot, tiller extension, spinnaker pole New Garmin instruments: wind, depth and speed meters Solar panel with 2 fairly new batteries. Deck fittings, bow pulpit and stanchions all rebedded and secure.
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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©2023 Sea Time Tech, LLC
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