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oldcorollas
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Kita-Ku, Sapporo, Japan
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January 2003

Re: Mehanical engineers or other informed people - supercharger questions

Mon, 13 December 2004 03:49

JAZE wrote on Mon, 13 December 2004 01:10

sorry, yes it is a positive displacement charger.

so if that's the case, this would mean it ceates considerably less heat than a turbo or even centrifugal style charger?

it totally depends on the supercharger... since they are positive displacement, they don't generate heat.. it is the meeting of low pressure air with higher pressure air at the outlet that generates heat.

the straight lobed roots style of the toyota SC's is not good. the very twisted lobe style is better due to a less sudden release of air... the porting of the outlet of an SC can make massive differences to their heat generation.

you would definitely want to cool the air after the SC.. even V8 kiddies are slowely gtting the drift with WTA IC's between SC and manifold..

CYa, Stewart

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