Saturday, January 22, 2011

S.U.B. TOPIC #3. Propeller(s)

COLLABORATIVE SUBJECT:  FAN(S)

Q:  What Types of Fans Are Available?  How To Attach Fan(s) To A Balloon? 

Propeller construct must be:
* high-velocity
* drum, tube, or circular shaped
* durable
* propped, elevated, mountable
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