Thread: does a propeller screw itself on air or is it just reaction
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  #30  
Old 01-17-2012, 09:40 AM
swiss swiss is offline
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Join Date: Mar 2010
Location: Zürich, Swiss Confederation
Posts: 2,266
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1.
WTF is the definition of a "columbus box"?
A Perpetuum Mobile?

2.
I don't understand your drawing. Please describe its function more precise.


Btw:
Not bad raaid, page 1!


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