Aldo Alesio at St. Francis Yacht ClubAugust 18
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Author: Steve K
Subject: hull flexing and backstay
Info: (12956 views) Posted: Saturday 7-3-10 08:07:36 AM
Rachel, Sounds good to me. Onward to the Pac Cup! SDK

:: So I had several people look at it, and give me the
:: thumbs up. No delam, just very subtle flexing of a mm or
:: 2. Something to watch, may be an issue in 20 years. I
:: may change the attachment system at some point, or
:: reinforce it.
::
:: Rachel
::
:: :: It doesn't sound good to me. It would be interesting to
:: :: hear from others who have their backstay rigged this
:: :: way. On Moxie, we have ours completely external and the
:: :: backstay attaches below the scuppers on the transom.
:: :: Sounds like this is a much more secure location as it is
:: :: at a hull joint where there is a lot of support and
:: :: structure. We have had our backstay rigged like this for
:: :: many years and I like it a lot.
:: ::

:: :: -Jason
:: ::
:: :: :: it still sounds pretty sharp when you tap on it, not
:: :: :: dull like delam.
:: :: ::
:: :: :: :: Do you have a delaminated inner skin? Really weird.
:: :: :: ::
:: :: :: :: mb
:: :: :: ::
:: :: :: :: :: Anyone ever watched the bottom of the hull flex while
:: :: :: :: :: applying backstay? Is this ok?
:: :: :: :: ::
:: :: :: :: :: Here's what me and JP noticed while fixing our backstay
:: :: :: :: :: system. Our backstay, like most of the boats I think,
:: :: :: :: :: has 2 main attachments: 1 is the deck hull joint just
:: :: :: :: :: port of the tiller; the 2nd is on the floor of the boat,
:: :: :: :: :: where there are 2 little fiberglass bulkheads just to
:: :: :: :: :: starboard of the exiting scupper where the floor meets
:: :: :: :: :: the transom. There are little chainplates on each of the
:: :: :: :: :: little bulkheads. The starboard line of the backstay
:: :: :: :: :: divides and one end attaches to one chainplate and the
:: :: :: :: :: other end goes through a block attached to the other
:: :: :: :: :: chainplate and starts the fine tuning system. After we
:: :: :: :: :: fixed everything, one of us was below looking at the
:: :: :: :: :: attachments on the little bulkheads, while the other one
:: :: :: :: :: hauled on the backstay from up above. When the backstay
:: :: :: :: :: is on, the floor of the boat lifts!! And when you pull
:: :: :: :: :: it on and off, the floor just goes up and down. Yikes!
:: :: :: :: :: Does this happen on anyone else's boat? Is this ok?
:: :: :: :: :: Thanks!
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