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Old 01-20-06, 02:47 PM
  #26  
Mr_Super_Socks
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Location: Philadelphia, PA
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Bikes: Gilmour lugged steel, Bianchi Volpe, Bike Friday Pocket Rocket

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Originally Posted by Pico
The formula for a circumference of a circle is 2*pi*radius. The radius is not squared, you're probably thinking of the formula for the area of a circle.

Leverage tracks in a 1:1 ratio with crank length.
d'oh! well at least we now know how much more metal a big, solid, 175mm circular crank would require.
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