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Petter A1 Magneto coupling dimensions

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Petter A1 Magneto coupling dimensions

Post by Pettercutter on Wed Jul 31 2013, 16:17

Does anyone know the dimensions of the magneto coupling for a Petter A1. I have lost mine (don't ask) and need to make a new one.

Also what material would be best/easiest to use?

Thanks, James

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Re: Petter A1 Magneto coupling dimensions

Post by Villiers on Wed Jul 31 2013, 17:15

The coupling is the same size as the outside dimension of the impulse coupling on the magneto, as for material, it needs to be something that isn't going to wear out quickly so maybe some sort of hard plastic. Or better yet, see if someone has one you can buy.

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Re: Petter A1 Magneto coupling dimensions

Post by matt86 on Wed Jul 31 2013, 18:32

i have seen them been made from a chopping board before !

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Re: Petter A1 Magneto coupling dimensions

Post by Pettercutter on Wed Jul 31 2013, 21:04

Great, thanks guys. My long suffering brother-in-law will have a go making one from Delrin or UHMW...see how it goes. No doubt as soon as it is made the original will appear.

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Re: Petter A1 Magneto coupling dimensions

Post by Pettercutter on Thu Aug 01 2013, 11:11

Does anyone know what material the original magneto coupling would have been made of?

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Re: Petter A1 Magneto coupling dimensions

Post by Villiers on Thu Aug 01 2013, 12:06

From memory it was a fibre composite material on A type Petters and rubber with a metal band on Wolseley engines

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Re: Petter A1 Magneto coupling dimensions

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