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Alcort Catfish SMEDLEY 26 Jul 20 Centerboard Pattern Measurements
31 luglio 2020 · 5 min · 64 visualizzazioni
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Kent Blair provides construction measurements for replacement centerboards for the Alcort Catfish, a catamaran that utilizes two pivoting boards.Watch The board measures 24.5 inches along the leading edge, with a total height of 18 inches from the bottom corner to the top.1:18 The pivot point requires a 0.75-inch dowel, positioned 2 inches back from the right edge and 1.5 inches up from the leading edge.2:26 The board thickness is 9/16 of an inch in the center, tapering to 1/8 of an inch at the edges.3:35 To create the necessary bevel, remove material from both sides of the board, starting the taper 1.5 inches from the edge and reaching full thickness at 3 inches.3:55 A 3/16-inch hole drilled through the top of the board accommodates a 5/32-inch control line for raising and lowering the mechanism.3:26 These dimensions allow owners to fabricate replacement boards when original parts are lost or damaged.
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