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 Swing Keel: mitigating points of failure		  New Topic  Topic Locked
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albert
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USA
262 Posts
Initially Posted - 05/03/2002 :  02:01:55  Show Profile  Visit albert's Homepage
It appears that the main point of failure for the swing keels is the pressure fitted swage end fitting and/or the rotation of this same fitting at the keel attachment point causing bending and eventual failure of the swage fitting.

For those who have had the unfortunate experience of 'dropping the keel', what component actually caused the failure? Is my first paragraph valid--does failure occur at the swage fitting? I read that someone once replaced a cable that had caused a drop only to have the new one fail due to a bad swage fitting.

If the failue is at the swage fitting; why not replace the pressed on fitting with a Suncor(or other brand) swageless terminal? Recently I read (I believe in Don Casey's "This Old Boat" book) that swageless fittings are far superior than swaged on fittings. If this is also true THEN replacing the standard inherently weak swaged fitting should significantly reduce the weakness at this point.

Combine a swageless fitting with the "non-swiveling" attachment point upgrade and we should have far fewer keel drops.

Also note that the swageless fittings can be removed, the wire inspected, then re-attached - only the internal cone would need to be replaced.

See http://www.bosunsupplies.com/GoodOldBoatQuickAttach.CFM for article on swageless fittings.

Comments please....
-Is Don Casey correct that the swageless fittings are superior (he said that he has not seen one fail yet)?
-How would cable rust effect the swageless connection?
-How well do the swageless fittings hold up underwater?
-What are other points of failure?

Albert Iturrey
al@comhertz.com
<i>Abacus'</i>: http://www.comhertz.com/abacus



Edited by - albert on 05/03/2002 02:14:05

Edited by - albert on 05/03/2002 02:16:21

Edited by - albert on 05/03/2002 02:30:04

Edited by - albert on 05/04/2002 20:19:15
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
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