Subject	You still have to accelerate mass and pump air at
Posted by	MikeH(Twin GT35BB Incon Z) on January 12, 2004 at 12:48 AM
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In Reply To	A centrifugal compressor has significantly less frictional posted by AshsZ on January 11, 2004 at 11:01 PM
Message	high pressure besides the frictional loss. I am referring to a centrifical super charger. If it only takes 2 hp to run a centrical supercharger or turbo, why not hook up a two hp electric motor with over drive gears? There was electric super charger unit created by Thomas Knight that require 15,000 watts of energy with three motors to pump less than 8 psi. That is 20HP .
Follow Ups	How much power does it take to turn a compressor wheel? - AshsZ 15:27:56 01/11/04 just yesterday, I was wondering how fast a turbine spins - ZEngineer 15:35:02 01/11/04 wouldn't the engine stall if it didn't? (n/m) - MaTT (90TT) 15:38:35 01/11/04 no - aliaZ 15:53:17 01/11/04 yes it does spin at idle - aliaZ 15:49:25 01/11/04 Probably only a few thousand RPM at idle.. - AshsZ 15:56:16 01/11/04 180,000!!! I had read more like 80,000... - ZEngineer 16:00:32 01/11/04 80,000 is slow.. That's like single turbo Supra wheelRPM. - AshsZ 16:06:02 01/11/04 Pull out the thermodynamics book and do a calculation - shirow 17:02:59 01/11/04 I would be forever endebted to you... =) (n/m) - AshsZ 17:35:18 01/11/04 I have some formulas for this whole procedure and the answer - Carlos Ramirez 19:24:50 01/11/04 Well, I was thinking it was probably around 2HP or so.. - AshsZ 19:36:56 01/11/04 turbos work off exhaust energy. Idea efficient - Carlos Ramirez 20:08:22 01/11/04 Where's that powerpoint pres. from the other night, - NSANY(ATL) 08:23:36 01/12/04 yeah I haven't gotten it yet.. he did a good job (n/m) - Carlos Ramirez 10:08:55 01/12/04 It takes 15 to 30 HP to run a super charger. So why - MikeH(Twin GT35BB Incon Z) 22:17:33 01/11/04 A centrifugal compressor has significantly less frictional - AshsZ 23:01:12 01/11/04 You still have to accelerate mass and pump air at - MikeH(Twin GT35BB Incon Z) 00:48:34 01/12/04
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