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Old 10-27-2013, 11:51 PM
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slamn sammy
 
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Whats up? I have an O.S.91 (non pump engine) in a Grate Planes lance air, 80"wing span, l'ed like to go with a 3 bladed prop, what size prop do l need? can not make head's or tail's out of prop chart's?.............';~/