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Old Oct 16, 2012, 07:45 AM
jackerbes is offline
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USA, ME, Ellsworth
Joined May 2008
18,108 Posts
Originally Posted by yomgui View Post
My 835 kv - 80 g motor shows (not exactly same prop):
4585 rpm, 10.42V, 11.65A, 745 g at 90% throttle,
5038 rpm, 14.95V, 12.74, 899 g at 82% throttle,

I have (APC 11x4.7SF):
5271 rpm, 10.53V, 10,76A, 712g at 93% throttle
6004 rpm, 15.19V, 12.73A, 924g at 86% throttle

I have (APC 11x7SF):
4520 rpm, 10.22V, 12.21A, 673 g at 91% throttle,
5198 rpm, 14.99V, 14.89A, 890g at 85% throttle,
1 inch more in diameter to reach same load on motor !??

I have (APC 10x4.7SF):
5736 rpm, 10.56V, 8.08A, 560g at 92% throttle,
6554 rpm, 15.37V, 9.45A, 732g at 84% throttle.

I really think it looks like your setup don't reach full throttle under load, might be due to the ESC ?!

Quite puzzling for sure !
I think I tested that (see my 04:38 post) and found that the ESC is working fine, and changing from a servo tester to a transmitter does not change anything. I'll try it again with a different ESC too I guess...

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