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Old Dec 24, 2010, 11:07 PM
Harrow is offline
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Yes, I know it's upside down.
Sydney, Australia
Joined Dec 2008
3,333 Posts
boredom,

are you thinking of doubling up the props to try and approximate a fan? Two 4-blade props, doubled up would do a pretty good job of not allowing any air to leak back past the lift motor.
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