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Tiller extension joints
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Merlinboy View Drop Down
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Posts: 3169 		Post Options Post Options   Quote Merlinboy Quote  Post ReplyReply Direct Link To This Post Topic: Tiller extension joints
    Posted: 16 Mar 10 at 9:03pm
Decent ones don't bend like crappy alloy extensions when you sit on them!
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GybeFunny View Drop Down
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Posts: 403 		Post Options Post Options   Quote GybeFunny Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 10 at 9:10pm
Originally posted by NickA

Also have a 1.1m extension on a seasure quick release joint

I thought the whole point of a carbon extension and a stiff joint was that the extension "floats" in the air when you drop it, doesn't hit the deck and falls easily to hand for retrieval.  Useful when dropped by accident, but also if you have to let go (eg to launch or drop a kite).

If you don't want the lightness ... buy a metal extension?  I'm sure someone will do you a swap!

I didnt buy a carbon extension for its lightness, I bought it as it is stronger and doesnt bend.

I tend to drop it when changing hands after a tack when it is behind my back, I dont like it when it springs into the air and would rather it just sat on the deck ready for me to collect it from where I left it rather than chasing it into the centre of the boat!

I like the idea of the more supple seasure joint.
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laser193713 View Drop Down
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Posts: 889 		Post Options Post Options   Quote laser193713 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 10 at 10:30pm

Try drilling out the middle of the current one, then put a thin, 2mm or so, cord in there and attach it to both the top and bottom of the joint, this should weaken the joint to make it more flexible and also by using the rope core it will prevent a disaster should it break due to the thinner material. 

Alternatively cut UJ above its base and below where it comes out of the tiller and replace it with a bit of 7/8mm rope epoxyed and perhaps screwed in place in each side.  It would also look more pimp that rubber!

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Strangler View Drop Down
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Posts: 154 		Post Options Post Options   Quote Strangler Quote  Post ReplyReply Direct Link To This Post Posted: 17 Mar 10 at 5:01pm

Originally posted by JimC

Must say its always struck me as bizarre that the one part of the boat that contributes to both righting moment and trim is seen as a good candidate for spending loads and loads of money to save a tiny bit of weight...

Yea I have been meaning to try a lump of lead on the end.
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 17 Mar 10 at 5:57pm

Originally posted by Merlinboy

Decent ones don't bend like crappy alloy extensions when you sit on them!

They splinter and your race is over.

At least you can straighted an ali one (once? sometimes? it may break of course!) and carry on racing.

 
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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: 17 Mar 10 at 9:25pm
Of course, twin stick boats don't suffer this problem- though long tillers really do need to be carbon, aluminium ones quickly become wiggly...

If you catch all the bits of a carbon one, it can be easily repaired. Aluminium ones never properly straighten out, and the act of bending and straightening weakens them.

Edited by alstorer
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Blackie View Drop Down
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Posts: 48 		Post Options Post Options   Quote Blackie Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 10 at 1:42pm
The seasure joint is quite rare but Ronstan joints are more flexible than most. Although I don't thinkyou'll find a joint flexible enough that the extn doesn't at least try to move towards the centre of the boat when you let go...

I'm not sure the carbon ones are much lighter but they are much stiffer (holt crap apart) and offer a more "positive" experience steering the boat. And if you get a C2 one you probably won't be repairing it (ever) as they are carbon and kevlar. The ONLY extn to be DESIGNED for the purpose....

If you drill a small hole close to the joint at one end and out through the knob on the end. Join the 2 holes with a bit of string and you won't lose the bits if you do break it...Repairable...
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William H Frump View Drop Down
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Posts: 92 		Post Options Post Options   Quote William H Frump Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 10 at 3:25pm

one of these will sort your problem

 

http://shop.pinbax.com/index.asp?selection=detailed&uid= 33713&itemtitle=Composite Universal Joint

 
blah blah blah
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