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Old 03-26-2011 | 08:37 AM
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w8ye
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From: Shelby, OH
Default RE: prop for OS .52 4-stroke

This is changing the subject slightly but on a engine of similar application and reference - I used a regular APC 13 X 4 on a Saito 56 and a Ultra Stick for a couple years,

Did great for vertical in aerobatics. The engine would run too fast at prolonged level full throttle.