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Seeking new owners Crosby Yacht Building Co. 1938. Hull #2. Beautifully maintained and lovingly cared for 51 years by same family. No rot, no leaks, finishes are authentic and gorgeous, all original hardware, mooring cover is nearly new, new Dacron sail (Egyptian Cream) sewn in 2010 and only used one season. Garage storage undercover for last decade. Sturdy road-worthy Quickload trailer. Significant repairs by Zimmerman Marine Inc in 1986. Refastened planking where needed. Deck rebuilt with marine plywood and dynel cloth. New mast step, toe rail, and rub rail milled and fitted. Re-caulked topsides and bottom where needed. Stem half-oval and oarlock blocks installed. Old paint removed and new paint applied as well as varnish work. Significant repairs by York River Yacht Haven and Seagull Services in 1992/1993. Keel, garboards, and ribs milled and replaced as needed. Rebuilt centerboard well. Paint removed from topsides and bottom, fiberglass cloth applied, finish sanded topcoat, spray painted with Imron polyurethane. Mast, boom, gaff, tiller revarnished. Significant repairs by Seagull Services in 2002. New marine plywood floorboards, new hardwood rub rails milled and installed.
Equipment: 100% functional and perfectly outfitted, some repaired and lovingly restored
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)
The ‘authentic’ BEETLE CAT is a strict one-design class and built of wood.
After World War II, Carl Beetle, son of the designer, passed the rights for construction of the original Beetle Cat Boats to the Concordia Company.
As of 2014 it was being built solely by the Beetle Boat Shop. (Beetle Cat Inc.)
There are, and have been, numerous boats modeled after the original BEETLE CAT, of fiberglass and other methods of construction. (In the US and elsewhere.)
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