Is it True...?
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Joined: 08-26-04
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From: RTP, NC
For example, a centrifugal or roots supercharger designed to produce 8 psi at 6,000 rpm may produce as little as 2.5 lbs. of boost at 3,000 rpm.
If you look at the boost curve on a rootes it is not linear with the RPMs.
Senior Member
Joined: 10-08-05
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From: AZ
That depends on the rpm of the S/C. Around 1,000rpm on the roots has quite a bit of blow-by, but it is significantly more linear than a centrifugal. Even a twin screw is inefficient at lower rpm's, but not nearly as bad as a centrifugal or roots.
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