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Video of the week
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Cameron Winton View Drop Down
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Posts: 41 		Post Options Post Options   Quote Cameron Winton Quote  Post ReplyReply Direct Link To This Post Topic: Video of the week
    Posted: 07 Jun 12 at 10:50pm
Rudder failure like that is not a new thing. Dunked my mum and dad sailing an enterprise in the seventies. Apparently quite common failure when holding a lot of weather helm on a planing reach
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Mister Nick View Drop Down
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Posts: 389 		Post Options Post Options   Quote Mister Nick Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 12 at 11:41pm
That was quite funny, shouldn't really laugh though.  Wink The noise the helm made as he hit the boom was a nice addition. I assume the rudder was damaged before it snapped off...? Bit worried for the rudder on my 500 now, don't want that snapping off sailing through the moorings :L
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Jeremyc View Drop Down
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Posts: 110 		Post Options Post Options   Quote Jeremyc Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 9:38am



Edited by Jeremyc - 19 Jun 12 at 12:14am
N12- pure joy
D-Zero more pure joy
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L123456 View Drop Down
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Posts: 500 		Post Options Post Options   Quote L123456 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 10:41am
Originally posted by craiggo

The usual RS rudder failure!!

I had mine go on the 700 on a beam reach, but it didn't tear off completely. One side let go and the foam split and the laminate on the other side held it altogether albeit at 90°. I've seen a couple go on 800s as well but never as spectacularly as that.
 
Are the RS ruddres known for failing like this ... looks like it just snapped under normal loads Confused
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craiggo View Drop Down
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Posts: 1810 		Post Options Post Options   Quote craiggo Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 11:04am
As Cameron says it happens on other classes too so not just RS, but I have been victim to it, as has an 800 a my club. The constant flexing of the foils seems to lead to gradual stress cracking of the foil just below the stock. Initially this is just cosmetic, and the foils can last for several more years but after a while the laminate seems to fatigue and crack leading to a failure of the foil. I keep meaning to re-build my old rudder as a spare but haven't got around to it yet. The 800 at our club tried to repair theirs with carbon and plywood inserts but it went again within a few sails. I suspect that RS could fix the problem with better layups in the area, or longitudinal stiffeners in the rudder but it would all cost time and money which of course would pass its way on to us the consumers. I suppose 7-8yrs out of a rudder isn't too bad in the scheme of things!
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Neptune View Drop Down
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Posts: 1314 		Post Options Post Options   Quote Neptune Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 11:25am
Originally posted by craiggo

The usual RS rudder failure!!

I had mine go on the 700 on a beam reach, but it didn't tear off completely. One side let go and the foam split and the laminate on the other side held it altogether albeit at 90°.
 
snap Wink on a 600 too
Musto Skiff and Solo sailor
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Ian29937 View Drop Down
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Posts: 409 		Post Options Post Options   Quote Ian29937 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 11:27am
Originally posted by craiggo

I suspect that RS could fix the problem with better layups in the area, or longitudinal stiffeners in the rudder but it would all cost time and money which of course would pass its way on to us the consumers. 
 
But they did strengthen the 700 centreboard for a similar reason.... no cost increase either.
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alstorer View Drop Down
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Posts: 2899 		Post Options Post Options   Quote alstorer Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 2:29pm
not having the rudder fully down is oft a cause of prmature rudder death... plus the standard RS rudder is not the smallest of foils
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Al
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ellistine View Drop Down
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Posts: 762 		Post Options Post Options   Quote ellistine Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 12 at 2:43pm
Originally posted by alstorer

not having the rudder fully down is oft a cause of prmature rudder death... plus the standard RS rudder is not the smallest of foils
At least the 800 uses the smaller of the two rudders. Same as the 200. I did wonder if the rudder had started to come up before the failure but the few glimpses of it prior seem to show it fully down.
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winging it View Drop Down
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Posts: 3958 		Post Options Post Options   Quote winging it Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 12 at 11:07pm


never let it be said I am afraid to make a prat of myself.
the same, but different...

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