Re: Horsepower
From: OG (owen_at_gwynnefamily.org.uk)
Date: 09/29/04
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Date: Wed, 29 Sep 2004 22:43:21 +0100
"David Hanley" <davidhanley@yahoo.com> wrote in message
news:281e82b2.0409290822.475fc083@posting.google.com...
> I'm having a "heated discussion" with someone about horsepower.
>
> He insists that a car's transmission multiplies horsepower. E.G. that
> if the engine is 100hp and 3rd gear is 3:1 that there will be 300hp
> driving the car forward.
>
> I know that's wrong, obviously, but i'm having a hard time finding an
> online reference that states this clearly, and online is best because
> that is where this "heated discussion" is.
Others have expressed it more formally, but I can never remember all the
details, so I would say . . .
Very crudely, Power is Force x Velocity
The gearing allows the power either to be applied as a large force at a
low velocity, or a smaller force at a higher velocity.
100hp is a fixed measure of the maximum power available.
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