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Old 01-15-2015, 10:26 AM   #3 (permalink)
Big Island Guy
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Join Date: Nov 2012
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If you go to Tiger Motor's website, you'll find very detailed charts with the motor characteristics with various prop sizes and voltages. Just off the top of my head, the 14" props actually sound kind of small for those motors on a bird that size. Even my 'dinky' S800EVO likes 15" props real well. Of course, that's a hex and your's is an octo, something to keep in mind. Also, there's ecalc to help with this. Just google it and you'll find it quickly.
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