[quote=malcs][quote=MN3][quote]One additional point. The gin pole pivot should be on the trailer, not the cross bar. Lot's of front cross bars fail from their normal mast loads, particularly the newer Nacra ones. Let the trailer take the beating since it is easily and cheaply fixed. So, unless it is on a H16, which was built to be rammed up onto the beach, better put it on the trailer.[/quote]
Lots of beams fail from normal mast loads? - i have only seen this 1 time in my 1000's of times sailing cats - it was an experimental f16 (gcat turbo)
I have used jinpoles on hobie18's, hobie21's, Supercats and Farrier 31's (45' mast) since the 90's when i got into beachcats - I have never seen or heard of a beam failing during use of a jin pole. Not saying it can't but this is not a common issue.Edited by MN3 on Sep 06, 2019 - 09:32 AM. [/quote]
Seen a few NACRAs fail recently on well maintained boats (I believe the dolphin striker exploded on some of them then caused collapse of the main beam) , H17s used to fail. Newer stuff has fatter and thinner beams. The much older boats had nice thick beams. Anyway, my preference would be to let the trailer take the beating when something needs to. Not that you can't do it off the trailer, but given a choice to build it one way or the other ...[/quote]
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