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Thread: Test props
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Old 08-30-2006 | 10:20 PM
  #9  
Tired Old Man
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Default RE: Test props

How 'bout this one.

My 50cc (insert brand of engine) turns a (again, insert brand of prop) 24-10 prop at 6,200 rpm. I wonder why there is a big depression in the top of the piston?