Quote:
Originally Posted by gwyllion
Carbon fibre gearbox housings are a well understood technology, which has been around for a very long time: http://www.grandprix.com/ft/ftpw017.html
I am sure the gearbox has seen many hours on the bench and on the track.
Stiffness of the gearbox housing is also crucial because it has all the mounting points of the rear suspension. Remember the Peugeot suspension pickup points breaking of the carbon fibre tub. You don't want that to happen...
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As the article points out, the biggest problem by far, and it's still an issue 20 years down the road, is maintaining stiffness as the 'box heats up. With an endurance car this has to be pretty difficult, 24 hours and all. Because the second the epoxy starts to break down that's it.