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      04-14-2014, 04:43 PM   #5
Vic311
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Drives: 2011 e92 M3
Join Date: Dec 2012
Location: NY

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Quote:
Originally Posted by 8k3 View Post
I would think turning a shaft, just like a drive-shaft, adds rotational mass, robbing power from the turbine
It most likely does to some measurable quantity. But since it's exhaust gases driving the turbine it's all recaptured energy that would have been lost anyways.
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