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 Prop selection

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PostSubject: Prop selection   Tue Sep 15, 2009 10:11 am

I was wondering if anyone can tell me if i can exchange a 7x3sf prop from one
that is a smaller 5x5 or 6x4apc. its going on a bl2200kv motor.
i am replacing the lame motor on my cessna. i tried this on a 5000kv motor and it lasted 30sec
then i smoked it. that was an 8x4prop. this motor being less kv and im looking to go 7x3sf prop.
sorry for the confusion (meanbaby) I want to go from smaller/more pitch to larger/less pitch, and dont have a watt meter.

Last edited by Cordo on Fri Sep 18, 2009 12:50 pm; edited 2 times in total
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PostSubject: Re: Prop selection   Wed Sep 16, 2009 2:48 am

yes you can but going from a higher inch prop to lower and not increaseing pitch, you will lose thrust but gain speed
use a watt meter to see how many amps and how many watts you use up to getti better idea, dont drop to too small of a prop or your plane wont move :)

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