Thread: M3 or RS3?
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Old 08-15-2017, 01:30 PM   #49
John V
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Quote:
Originally Posted by equ View Post
Mkting for Fanbois for sure (what isn't and of course I'm one too). With morning freshness another physical property comes to mind. Perhaps the steel loads up/stores some undesirable twist while carbon's stress-strain tensor can be 3d designed to avoid whatever you want. Carbon bike frames have some cool properties (though they cannot be repaired).

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Given the other areas for slop in the system, I highly doubt this is the motivation.

My guess is the carbon driveshaft was implemented not for rotational inertia but to reduce total vehicle weight. Given the cost and the small amount of weight saved it's no wonder they're getting rid of it.
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