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st184 sillycar
Forums Junkie


Location:
Melbourne
Registered:
June 2004
Re: Torque & Horsepower & Acceleration Thu, 15 July 2004 11:17 Go to previous messageGo to previous message
Power = Torque x R.P.M.

The governing factor in acceleration is the torque available AT THE WHEELS. A torquey engine that won't rev needs tall gears, and as gearing gets taller (to give more speed) the torque at the wheels is reduced linearly. Conversley, a rev-happy motor that makes little torque can drive quite short gears, which don't reduce the torque available at the wheels as much.

So there ya go - a torque-monster that won't rev loses it's legs once the speed builds and it's gotta push a tall gear.

Also, a short-stroke screamer relies on short, close gearing to keep it revving, and multiply it's meagre torque.
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Read Message   Torque & Horsepower & Acceleration riverThu, 15 July 2004 07:46
Read Message   Re: Torque & Horsepower & Acceleration V8_MA61Thu, 15 July 2004 07:50
Read Message   Re: Torque & Horsepower & Acceleration Fro-DaddyThu, 15 July 2004 08:13
Read Message   Re: Torque & Horsepower & Acceleration riverThu, 15 July 2004 08:18
Read Message   Re: Torque & Horsepower & Acceleration SkipThu, 15 July 2004 08:57
Read Message   Re: Torque & Horsepower & Acceleration ed_ma61Thu, 15 July 2004 09:05
Read Message   Re: Torque & Horsepower & Acceleration Cyber-punkThu, 15 July 2004 09:12
Read Message   Re: Torque & Horsepower & Acceleration dimmy77_03Thu, 15 July 2004 13:30
Read Message   Re: Torque & Horsepower & Acceleration ed_ma61Thu, 15 July 2004 09:15
Read Message   Re: Torque & Horsepower & Acceleration  st184 sillycarThu, 15 July 2004 11:17
Read Message   Re: Torque & Horsepower & Acceleration YelloRollaThu, 15 July 2004 14:06
Read Message   Re: Torque & Horsepower & Acceleration ShrakaThu, 15 July 2004 14:42
Read Message   Re: Torque & Horsepower & Acceleration SkipThu, 15 July 2004 23:30
Read Message   Re: Torque & Horsepower & Acceleration MS-75Fri, 16 July 2004 03:58
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Read Message   Re: Torque & Horsepower & Acceleration wil8115Fri, 16 July 2004 09:15
Read Message   Re: Torque & Horsepower & Acceleration st184 sillycarSat, 17 July 2004 05:24
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