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 Of course, the banana might mean nothing. It could just mean that Dave needs more potassium in his diet. :) - KathieK [more] |
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| Of course, the banana might mean nothing. It could just mean that Dave needs more potassium in his diet. :) - KathieK [more] |
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#1
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Re: The physics behind trackball inflation
The mass of the air inside the ball could make a difference in a design that "shoots" the ball....that's a significant added load....that I had not thought of!
thanks for the lesson! 
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#2
09-01-2008, 08:43
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Re: The physics behind trackball inflation
i just fill it up ,weigh my self, then weigh myself while holding the ball and take the diffrence... easy math for us k.i.s.s people
 ... then to double chech take a string and take the circumfrence and divide by pi.... easy enough to the point of i have a 10lb 40 in diamater trackball 
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#3
09-01-2008, 16:27
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Re: The physics behind trackball inflation
Quote:
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