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For Sale: 1979 Melges MC Scow, hull #561. The overall shape of the boat is wonderful for its age, no significant damage at all. Does have its racing bumps and bruises…
The trailer does have brand new tires/wheels on it with less than 250 miles on them. Does come with a brand new set of spare tires on the older rims. Lights work great, winch works, and easy to handle with one person. Does come with a new roll of carpet if you want to redo that at some point…
The boat does come with a Proctor mast and boom, as well as a spare Melges boom. Does have spare rudder and bilgboards as well. Plus some rigging hardline too.
The package does come with a good chunk of new parts too. Like all new pre labeled sheets, rear mast support, mast safety bag, Gill gloves, Ronstan watch, buffing tool and pads and more…
The sails are 2 Melges racing sails, 1 Bowers racing sail and a practice/cruising sail. All in really good shape.
I am sure I missed some, but if interested do not be afraid to contact me. Asking $3,000…
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)
Based on the J SCOW of the the mid-1950’s. (Designed and built by John O. Johnson). Significantly updated by Melges.
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