On 7/9/2021 5:00 PM, Flesner wrote:
Pitch in inches X rpm = rev per minute X 60 minutes = inches per hour / 12 / 5280 = mph ( I think I got that right)

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That should have been:

pitch in inches X rpm = inches per minute X 60 minutes = inches per hour / 12 (inches per foot) / 5280 (feet per mile) = speed at 100% efficiency

36 x 2450 = 88,200 x 60 =5,292,000 / 12= 441,000 / 5280 = 83.52 mph

Oscar, have you considered wheel pants? 😂

Larry Flesner

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