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Old 02-04-2013, 08:30 PM   #7 (permalink)
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Originally Posted by ksa8907 View Post
I can't imagine how it would help. You'd have to put such restriction on the exhaust to build up enough pressure that the engine would start burning a fair amount of fuel just to compress/pump the exhaust.
Turbocharged cars seem to be able to use the compressor to stuff more air in without prohibitive amounts of restriction on the exhaust. I could see there might be a way to make it work.

The biggest problems would be heat, and gearing the 100K RPM of a compressor wheel down to something that a standard alternator or generator would work reasonably with.

Could be insurmountable problems, sure. But I don't think that warrants including this in with all the other unicorn poop.

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