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The Thunderbird class sailboat was designed in 1958 by Seattle Washington naval architect Ben Seaborn, [1] in response to a request from the Douglas Fir Plywood Association (now APA - The Engineered Wood Association) of Tacoma, Washington for design proposals for a sailboat that would "... be both a racing and cruising boat; provide sleeping accommodations for four crew; be capable of being ...
A crew weight of 350–375 lb (160–170 kg) two adult males is the optimal crew for this 5.7-metre (18 ft 8 in) catamaran. With canted, hulls, heavier wing mast, spinnaker, daggerboards & rudders, this 275 lb (135 kg) catamaran was similar in performance to the Stingray Mk2 and later Nacra 5.8 catamarans.
From Middle English carvel, carvelle, carvile, kervel (“small ship; caravel”); from Old French caruelle, carvelle, kirvelle. [3] The term was used in English when caravels became popular in Northern European waters from c. 1440 onwards, and the method of hull construction took the name of the first vessel type made in that way in English and European shipyards.
A small waterplane area twin hull, better known by the acronym SWATH, is a catamaran design that minimizes hull cross section area at the sea's surface. Minimizing the ship's volume near the surface area of the sea , where wave energy is located, minimizes a vessel's response to sea state, even in high seas and at high speeds.
A subdivision of the sheet plywood boat building method is known as the stitch-and-glue method, [8] where pre-shaped panels of plywood are drawn together then edge glued and reinforced with fibreglass without the use of a frame. [9] Metal or plastic ties, nylon fishing line or copper wires pull curved flat panels into three-dimensional curved ...
The boat was marketed as a family weekender with full length sleeping berths for five adults, cooking facilities and a small but useful separate heads (toilet). Hirondelles have an outboard motor as auxiliary power, mounted in a well in the centre of the cockpit. The sailing performance of the Hirondelle was excellent in its day, and is still ...
The power cat has Wider's trademark foldout rear platforms, plus a luxury interior from Luca Dini. It should do well in the growing segment. Wider Yachts Unveils a 92-Foot Catamaran That Can ...
The "Instant Boats" developed by Phil Bolger use simplified framing and stitch-and-glue style plywood sheet joining and bulkhead gluing. Step-by-step building books about the boats and plans for many were sold by Harold Payson of Thomaston, Maine. They range from very small dinghies to power and sailboats 25 to 30 feet long.