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Suitable propeller

Posted by a b on October 5, 2013 at 1:22am

Hi DIYDRINES community,
I am starting to build an APM 2.5 hexacopter with NTM Prop Drive Series 35-36A 1800k/v motors. As I learned that there is a constant like 190000/RPM equals to diameter, 4S batteries will only handle 7-8 inch propellers. Is that true?
My second question is that what about the pitch? Can anyone tell me a calculation method or make a suggestion?
Thanks.

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Replies

UNMANNED ENGINEERIA October 12, 2013 at 7:04am

Hello.... try with http://www.ecalc.ch

Regards,

UNMANNED ENGINEERIA
Juan Carlos Hdez October 5, 2013 at 1:56am

9 inch max, I think

Try this:

http://www.ecalc.ch/xcoptercalc.htm

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