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Old 1st November 2006 | 21:49
  #5 (permalink)  
cwatters
 
Joined: Dec 2001
Posts: 1,389
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From: England
Not sure if this is of interest but...

Some model aircraft competition classes are prone to prop stalling. An example would be the F5B class that uses 2000W motors running at 30-50,000rpm.

It's quite an "interesting" experience to hand launch one of these and find that instead of climbing away at 7000 feet per min (yes really) it performs a series of torque rolls at head height and the carbon fiber prop tries to give you a new hair cut.

This is how it should go..

http://ewc2004.users.btopenworld.com...tos/F5B-10.jpg
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