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Old Dec 31, 2012, 01:08 PM
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Quote:
Originally Posted by Sparky Paul View Post
Not something many propellor people test for.
Interesting. One thing that was very apparent when placing a plate above the spinning prop was that the plate wanted to sag from the prop "pulling" it down (reduced pressure on the lower side of the plate).

The prop doesn't just increase the air pressure on the lower plate, it also significantly reduces the air pressure on the upper plate. Definitely consistent with your result.
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