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Old 07-19-2002 | 01:12 PM
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bpu699
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From: racine , WI
Default best prop for 180/sig extra
I ran the thrust and rpm numbers through a thrust program

16/8 = 9400 rpm. 16 lbs thrust, 75 mph
18/6=8400 rpm 24 lbs thrust 48 mph

A top speed of 48 mph is rather slow, isnt it? Sounds less than 2X stall speed...do a lot of you fly an 18/6???
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