Thread: think about this...
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Old 11-23-2005, 02:52 PM
Slow Play Ray Slow Play Ray is offline
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Join Date: Oct 2004
Location: Beantown
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Default Re: think about this...
[ QUOTE ]
describe a perfect sail

[/ QUOTE ]

in this case, one big enough to catch all the wind from the fan and redirect the force with 100% efficiency.
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