Propeller on a Stick

MPEG Movie (1.24 MB)

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 Code Number :   10C10.20?

Disclaimer:

Reprinted by permission of Dick Berg, University of Maryland, for use on this website.

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Condition :   Excellent.
Principle :   Bernoulli Force, Lift.  
Area of Study :  Heat & Fluids.   
Equipment :   Propeller on a stick.
Procedure :   Rub hands together with stick in between them to build up rotation in the propeller.  When you slide hands far enough propeller will automatically release and fly into the air.
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   References

Robert Ehrlich, "Propeller on a Stick," Why Toast Lands Jelly-Side Down, pp. 109-110.

Joey Green, "Paper Helicopter", The Mad Scientist Handbook, Vol. 1, p. 65.



Mail Questions and Comments to:  Dale Stille