Thread: Sandbags?
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Old 07-11-05, 10:15 PM
  #21  
captin pank
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Join Date: Mar 2005
Location: Chicago, IL
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Bikes: Cannondale R400S, but saving up for a fixie and a nicer road.

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Originally Posted by lemurhouse
The guys with tight chinstraps have their helmets filled with helium. Helps lift 'em over the mountains.
Oh, I thought that they put helium in their wheels cause it's lighter than air. Saves them almost 300 grams. You can calculate the amount of wieght you'll save when using helium by using the Jurgenheilburgener formula. Just divide the circumfrence of your wheel by 3.14, mutiply that by e^0, and then mutiply that number by pi.

Interesting note, Dr. Jurgenheilburgener was acutally paralized from the hips down in a freak teaching accident involving a peice of chalk and a ladder he had to use to reach the top of his unreasonably large chalkboard, and had to pedal his bike by his hands. He however refused buy a new bike, so his wife had to cut away his top tube to allow room for his head when he was reaching above his head (down from our view) to pedal with his hands.
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