Carbon fibre shaft snapped

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sandym
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Carbon fibre shaft snapped

Postby sandym » Sun Jul 10, 2016 7:02 pm

Somehow I managed to snap my paddle shaft in half when landing in small surf today. The shaft is carbon fibre and it simply snapped in the middle right the way through.

Anyone got any idea if I might be able to mend it? It is only two months old.

Camanche73
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Re: Carbon fibre shaft snapped

Postby Camanche73 » Sun Jul 10, 2016 8:06 pm

Which paddle?
May be able to turn it into a split?

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Re: Carbon fibre shaft snapped

Postby Paddle Dog 52 » Mon Jul 11, 2016 10:04 am

Werner repairs their own.

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Redback
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Re: Carbon fibre shaft snapped

Postby Redback » Mon Jul 11, 2016 5:36 pm

What make is the paddle Sandym?

There are a number of manufacturers around who could replace the shaft for you, or as has already been suggested, turn it into a split paddle (which is very useful).

Patching a broken carbon shaft really isn't recommended, - it would need to be internally sleeved at a minimum and carbon braided on the outside.

The weight then becomes an issue, so you might as well replace the shaft.

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mick M
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Re: Carbon fibre shaft snapped

Postby mick M » Mon Jul 11, 2016 6:09 pm

You will find mending with an internal spigot is normaly strong enough, a bit of flow cote to tart up the outside if you need to.
Carbon brading isent nesasery, splits dont have brading on the outside. You can cut the brake out back to sound carbon, then spigot three pices together, the therd pice being a spacer sleave to replace the part that you removed.
Or you can swet the blades of and relplace the hole shaft.

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Redback
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Re: Carbon fibre shaft snapped

Postby Redback » Tue Jul 12, 2016 9:48 am

As Mick says, a carbon spacer to replace the damaged area (and to retain the same length) is an alternative to external carbon braiding.

Bear in mind that any shaft repair will change the "feel" of the paddle and may do so asymmetrically (Left vs Right).

In the context of touring or recreation though, this may not be critical.

sandym
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Re: Carbon fibre shaft snapped

Postby sandym » Tue Jul 12, 2016 4:52 pm

Thanks all. It is already a two piece paddle, except now it is a three piece paddle and not particularly useful.

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Re: Carbon fibre shaft snapped

Postby sandym » Tue Jul 19, 2016 6:40 pm

mick M wrote:You will find mending with an internal spigot is normaly strong enough, a bit of flow cote to tart up the outside if you need to.
Carbon brading isent nesasery, splits dont have brading on the outside. You can cut the brake out back to sound carbon, then spigot three pices together, the therd pice being a spacer sleave to replace the part that you removed.
Or you can swet the blades of and relplace the hole shaft.


I am keen to go the internal spigot route, but where do I get such a thing? Dozens of google searches turn up nothing remotely useful for mending a carbon fibre shaft. I need a rather unusual diameter - 26.5 mm. Any leads?

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Redback
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Re: Carbon fibre shaft snapped

Postby Redback » Wed Jul 20, 2016 7:59 pm

26.5mm - ID or OD?

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Re: Carbon fibre shaft snapped

Postby Camanche73 » Wed Jul 20, 2016 9:50 pm


sandym
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Re: Carbon fibre shaft snapped

Postby sandym » Thu Jul 21, 2016 10:34 am

Redback wrote:26.5mm - ID or OD?


I need a tube 26.5 mm OD. I've found an Aussie company has them in fibreglass at 27 mm (1.5 mm thick) or 26 mm (1.25 mm thick). So, I either sand one down a little bit or fill the other with resin. Either seems workable to me, any opinions on which might be better? I'd rather buy one from Australia.

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Re: Carbon fibre shaft snapped

Postby mick M » Sat Jul 23, 2016 8:17 am

If you can get the blades off I wold be enclined to replace the shaft compleatly

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Re: Carbon fibre shaft snapped

Postby sandym » Sat Jul 23, 2016 12:56 pm

For anyone else trying to source parts. This store has inserts and full length shafts: http://exelwebstore.com.au/ but shipping is pretty pricey. The store is in Melbourne and you can do pick up which would be cheaper if you were nearby.

In Queensland, this store was super helpful: http://www.skeekayakcentre.com.au/

They have internal spigots of fibreglass that work and will mail them.


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