Horse Power and its Effectiveness

[John_Calabrese at ENGELHARD.COM]

Please respond to gmecm at efi332.eng.ohio-state.edu

To:   gmecm at efi332.eng.ohio-state.edu
cc:    (bcc: John Calabrese/ETG/ENGELHARD)
Subject:  Re: Horse Power and its Effectiveness





>For a given displacement, long stroke means small bore means less force.
>This exactly balances out the longer moment arm.  Long stroke motors have a
>harder time at high revs (due to both inertia and limited breathing) but
>they offer no advantage in low speed torque.

Small bore doesn't mean less force.  You are still releasing the same amount of
energy in combustion.  You have just concentrated it over a smaller piston area.
How cou;d a stroker suffer from limited brreathing, if it is a "given
displacement"?  Wouldn't the other motor suffer as well??