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mast pre-bend

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Sub Lieutenant
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Joined: 03 February 2006
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    Posted: 04 May 2006 at 17:49

A certain amount of pre-bend at the top of the mast is what most people aim for (top of the mast bending towards stern slightly), but I wonder if anyone has a rule of thumb as to how much bend there should be. My 411 seems to have quite a bit of pre-bend and I am concerned that it is putting too much strain on the mast.

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371-#235 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 371-#235 Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2006 at 19:45

Check out the topic "Rigging on 371" in the 371 section of this BB. They're talking about inducing more rake in the mast and also the amount of pre-bend.

Bob, 371-#235

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Post Options Post Options   Thanks (0) Thanks(0)   Quote buyer Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2006 at 15:53
Thanks, but have had a rigger look over my 411 on Monday. Amazing how much difference it has made, said it was all very slack although to me it did not seem so. Tightened up all round and told me also to loosen the back shroud when not sailing and on the mooring (obviously then tighten it up before sailing) - something that had not occured to me to do before.
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