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Old 09-30-2010 | 08:52 PM
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w8ye
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Default RE: scale prop size on a u.s. 41 gas engine?
The 18 X10 is the standard prop that everyone uses on the US41/Quadra42 engines

On a Cub there's not reason a 19 X 8 or 20 X 8 couldn't be used.
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