On Mon, 30 Aug 2004 03:14:00 GMT, "Tony Thomas"
wrote:

pitch x rpms
----------------- = speed x efficiency = true speed
1056 x gear ratio

1056 is just a conversion factor to get the numbers into MPH.

Ah - that's the missing piece.

Mucus grassy ass. :)

Take care.

Tom

"The beatings will stop when morale improves."
E. Teach, 1717