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From: daw1@rduxb.UUCP (WILLIAMS)
Newsgroups: net.auto
Subject: Re: Horsepower, Torque. What do they mean?
Message-ID: <525@rduxb.UUCP>
Date: Sun, 23-Jun-85 10:11:52 EDT
Article-I.D.: rduxb.525
Posted: Sun Jun 23 10:11:52 1985
Date-Received: Mon, 24-Jun-85 06:20:58 EDT
References: <1037@mnetor.UUCP>
Organization: AT&T Bell Laboratories, Reading, PA
Lines: 24

> The power of an engine is determined by the number
> of horsepowers it has. But what exactly does horsepower means? 
> 
> Another question is what does torque means? I often heard that
> greater torque translates to more power in high engine revolution, why?
> Some engines have less horsepower but lots of torque while others
> have lots of horsepower but low torque. What are the factors that
> affect these numbers? 
> 
> These questions bother me for a long time. Any response is appreciated.

	It all has to do with power and work, for which there are
many equations to relate many different quantities. The one that will
answer your question is:

	horsepower=(2 x pi x rpm x torque)/33000


					Long live physics!

					Doug Williams
					AT&T Bell Labs
					Reading, PA
					mhuxt!rduxb!daw1