Cutting LH cranks to set as RH

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Collings92
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Cutting LH cranks to set as RH

Post by Collings92 » Mon Feb 27, 2017 10:45 pm

I have been recently been given a set of carbon cranked sidekicks. Only problem is they are LH. Does anyone know if it is possible to set them up as RH if they are cut down the middle and reset with a new spigot? I have heard rumours but would appreciate any further information

Cheers.

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DaveBland
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Re: Cutting LH cranks to set as RH

Post by DaveBland » Tue Feb 28, 2017 6:51 am

hurts my head thinking about it, but that won't work will it? Maybe sell them to leftie and grab a right hand set.
dave

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Re: Cutting LH cranks to set as RH

Post by jmmoxon » Tue Feb 28, 2017 7:46 am

The bend relative to the blades must be the same, but are you willing to risk weakening a c.£300 paddle?

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feedbackproblem
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Re: Cutting LH cranks to set as RH

Post by feedbackproblem » Tue Feb 28, 2017 8:44 am

The theory is sound, I have a set of split cranks that can be set to any angle LH or RH that work on the same principle. However, you need to know the internal diameter of your paddle shaft before you can buy a spigot and you need to know that the inside of the shaft is perfectly cylindrical otherwise you won't get a good enough fit for a spigot and you won't be able to find either of those things out until you've chopped your paddle in half.

nippon
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Re: Cutting LH cranks to set as RH

Post by nippon » Tue Feb 28, 2017 2:09 pm

Cutting a set of carbon Werners in half sounds like madness to me.
Sell them and by some RH paddles.

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morsey
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Re: Cutting LH cranks to set as RH

Post by morsey » Tue Feb 28, 2017 8:39 pm

You don't need to cut them.

Werner cranks are joined in the middle.

Heatgun to break the seal and then reset with new epoxy glue.

Get someone to do it who has done similar before, there is chance of damaging the shaft if you overheat and twist.

Brian C
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Re: Cutting LH cranks to set as RH

Post by Brian C » Thu Mar 09, 2017 7:54 am

Does anybody have any experience of splitting Werner Cranks with a heat gun?

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Re: Cutting LH cranks to set as RH

Post by Ian Dallaway » Fri Mar 10, 2017 8:12 am

Brian C wrote:Does anybody have any experience of splitting Werner Cranks with a heat gun?
I've done it once - with an old cranked carbon powerhouse. It took a very long time, applying gentle heat to break the glue bond. The heat is critical as too cold doesn't achieve anything but too hot and you'll melt the resin in the paddle shaft and everything becomes scrap very quickly.

I originally tried it with steam from a pan of boiling water for a prolonged period but this didn't seem to produce enough heat.

Good luck, if you get it right you'll end up with a fantastic set of splits.
Ian

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