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richd

10-10-2002 11:55 AM

Piston Speed

I've heard that optimal piston speed is around 50-60 ft/sec. My question is this:

Is piston speed measured at the point where the piston is travelling at its highest speed (mid-stroke, when rod base is at extreme right/left) or is it averaged over the entire stroke?

Just curious. Thanks!

Rich D.

PKRWUD

10-12-2002 10:11 AM

Piston speed, measured in feet per minute, is measured with the following formula:

Stroke (in inches) times rpm, divided by 6.

Take care,
~Chris

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