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      02-01-2012, 12:41 AM   #5
thehank
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Drives: e90
Join Date: Feb 2010
Location: Kali


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My guess would be a centrifugal style. Basically an electric motor drives a gear reduction impeller. Would probly only be used to spool up the smallest turbo most likely....

They could use higher voltage to run it???? The could use a combo a/c compressor with a built in high voltage alternator that could recharge a small high voltage battery to power it???