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carbon fibre propshaft failure

Ok here are the photos of the failed single piece carbon fibre propshaft.

The alloy adapter flange was a loose fit within the carbon tube, there was / is no form of locking key and

it would appear that a type of resin glue was all that was used to connect the two parts????

 

The final photo shows the steel version we fabricated to replace the carbon fibre one, with a car with such a high power output welded steel was the only way forward we felt happy with.

 

Jeff TT

 

carbonprop2.jpg

 

carbonprop3.jpg

 

carbonprop4.jpg

 

carbonprop5.jpg

 

steelonepeicepropfitted.jpg

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    wowzers thats bad but with the high hp of that car i agree the new one has tobe the best way :)

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    wowzers thats bad but with the high hp of that car i agree the new one has tobe the best way :)

     

     

     

    Mmm... yes we thought that too.

     

    Jeff TT

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    I didn't think it was the clutch to be honest and did mention to Stewart that it may be propshaft related. I suppose on the upside it's a lot cheaper that replacing the clutch (labour and parts).

     

    So with the carbon prop, was it just a case that the bond has been ripped loose or was there a breakage of some sort ?.

     

    I never had any problems with it before but I guess running close to 600bhp now you're going to be putting much more stress on it, especially with the torque to match.

     

    The carbon prop is already balanced so if there were no breakages you shouldn't have to get it re-done. I guess you can tell once you start driving if there's any inbalance through the vibrations.

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    a properly bonded joint can be just as strong if it was prepped and bonded properly... that 1 obviously wasnt! where'd you get it from?

     

    i agree with u J...

     

    a proper joint that is prepped and bonded is a very strong, reliable joint...

     

    but this was not!!

     

    al.

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