Re: TS240 Modifications to keel lifting arrangments -- The Trapper Owners Association Archive Forum

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23/07/03 14:51:33

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Subject: Re: TS240 Modifications to keel lifting arrangments

Author:
nick

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Date Posted: 10/10/03 18:44:12
In reply to: Brian 's message, "Re: TS240 Modifications to keel lifting arrangments" on 10/10/03 17:04:52

I don't know much about the TS240 but I'd agree in principle with what Brian said about the need to prevent the keel from coming back up on it's own.

At my club (poole yacht club) we have a class of boat called an R19. These are a bit like the mini quarter tonners that were designed by the french some years ago. They have a lifting keel which rises by a rope hauled through a block arrangement (for mechanical advantage) and falls under gravity.

These boats have been known to lie on their beam ends when extremely hard pressed and for the keels to then fall back in their keel box resulting in a capsize.

As a result all the boats are fitted with a wire strop on a relase catch to prevent the keel from rising fully. The catch can be released if you go seriously aground. Boats are not permitted to race without the strop in place, it's a breach of the race rules.

These keels though are pivotted, from what I recall the trapper keels are a straight slide, more akin to a dagger board then a hinged keel. I'm not sure on that basis how you would fit such a strop but I'd have thought that would be the answer, or a removable pin in the keel box.

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