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| How To Build A Unique No-Pin Swing Centerboard |
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posted by leeann
on Tuesday October 04, @10:36AM
from the dept.
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How To Build A Unique No-Pin Swing Centerboard
How To Build A Unique No-Pin Swing Centerboard
by Platt Monfort
 Here is a good centerboard idea that is not too well known. This configuration originated on the International 14 class boats. It was probably an Uffa Fox idea and a darned good one at that. Sandy Douglas used it on the Thistle, the Highlander and the Flying Scott. The troublesome hinge pin is not required. . . the board simply drops down in the slot and rests on rollers that run on a curved track. There are matching radii on the forward bottom of the trunk and the forward end of the board. This configuration provides an action similar to rotating on a pin.
The result of all of this is that leaks are eliminated and the board is easily removed. It still retains all of the swing board characteristics and needs to be weighted. Therefore quite a bit of force is needed to raise the board so some kind of tackle is required. The simple lift out feature makes it ideal for car-top boats, especially on my Geodesic Airolites.
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NOTE: Seal inside trunk and top surface of roller tracks with double epoxy coat.
To learn more on this how to guide visit www.gaboats.com
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