[quote=arch]thanks for your responses! i also got to thinking that some of the load from the main is taken by the mainsheet & blocks as well as some of the load from the jib going to the forestay, making this even more complicated and dynamic.
my present shroud wire = 5/32" 1 x 19 s.s. with a breaking strength of between 2,800-3,300lbs. if working loads were half of this, it would still seem to be an ample margin of safety. but i could see how waves and gusting conditions could generate some large dynamic loads.
i was interested to see this catapult cat with adjustable shrouds. it doesn't appear they are using them to cant the mast while sailing, but i suppose it could be used that way.
http://www.catapultcats.com/sailtech.trap.html
http://www.catapultcats.com/sailtech.capsize.html[/quote]
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