Subject	It's the nature of compressors
Posted by	U ZCREAM (TTZ in '03) on January 05, 2003 at 1:56 AM
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In Reply To	What causes them to lose efficiency at higher RPMs? (n/m) posted by Jackie Chan (Hibernating) on January 05, 2003 at 12:29 AM
Message	As the engine starts flowing large volumes of air at high boost pressure, the compressor wheel heats the incoming air due to friction. So you start flowing more air, but it's too hot which causes a loss of HP. T-25's too small to flow a lot of boost on an engine like the vg30 -Josh Email- TwinTurboJosh@hotmail.com AIM- JAMChitlen "that and if you can still smell it on your fingers three days later despite frequent washings" - sbsTT(MD) 12:42:45 11/13/02 "Computer games don`t affect kids; I mean if Pac-Man affected us as kids, we`d all be running around in darkened rooms, munching magic pills and listening to repetitive electronic music" - Spokesman for Nintendo, Inc., 1989 "You're gettin' ready to blow? I'm a mushroom-cloud-layin' motherfucker, motherfucker! Everytime my eyes see a 16 year old in a TTZ I'm 'SUPERFLY T.N.T,' I'm the 'GUNS OF THE NAVARONE.'" - Me
Follow Ups	Ok, here's my dyno results - Marshall 21:58:14 01/04/03 Man, that's really good, having cats, whats top out PSI? (n/m) - ZBlacktt 22:08:44 01/04/03 Re: Man, that's really good, having cats, whats top out PSI? - Marshall 22:56:34 01/04/03 Nice numbers! (n/m) - Wui (Philly) 22:18:20 01/04/03 doesnt JWT say their ECU give 60HP? - Z. 22:36:44 01/04/03 That's engine power, not the wheels. (n/m) - Woody75 (Denver) 22:40:09 01/04/03 Rear wheel Horse power...the amount of power to the ground. (n/m) - Z PYRATE 22:40:17 01/04/03 fwhp...not rwhp (n/m) - Chris(NJ) 22:40:30 01/04/03 which of you guys is right? (n/m) - Z. 22:47:10 01/04/03 We all are. - Woody75 (Denver) 22:50:25 01/04/03 i c, thanks! - Z. 23:08:17 01/04/03 and not to mention, milage on motor and each owners>>> - ZBlacktt 22:56:21 01/04/03 Re: doesnt JWT say their ECU give 60HP? - Marshall 23:01:45 01/04/03 thank ya all for the explaination! (n/m) - Z. 23:09:48 01/04/03 Wow. Great torque. It's nice to see a Stage III dyno what it - U ZCREAM (TTZ in '03) 23:57:17 01/04/03 Very nice numbers! Very impressive. Few questions >> - Jackie Chan (Hibernating) 00:20:12 01/05/03 Yes. Stock turbos suck (n/m) - U ZCREAM (TTZ in '03) 00:25:42 01/05/03 What causes them to lose efficiency at higher RPMs? (n/m) - Jackie Chan (Hibernating) 00:29:55 01/05/03 It's the nature of compressors - U ZCREAM (TTZ in '03) 01:56:26 01/05/03 Search is your friend. - Z PYRATE 00:35:33 01/05/03 You know what I should search about? - Jackie Chan (Hibernating) 00:38:29 01/05/03 One who got a damn good deal, who has nothing - Z PYRATE 01:13:22 01/05/03 Haha, just kiddin' man :) - Jackie Chan (Hibernating) 12:34:51 01/05/03 saleen s351 I said....a mustang....but not a mustang ;) (n/m) - Z PYRATE 14:23:24 01/05/03 Here's my guess - Marshall 02:24:20 01/05/03 Ah, I see. Thanks! - Jackie Chan (Hibernating) 12:37:04 01/05/03 nice. your HP really drops off after 4500rpm though eh? leak - Pure-Evil 06:23:46 01/05/03 I think you read the 2 curves on the dyno chart wrong... - Wui (Philly) 09:14:45 01/05/03
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