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Old Feb 08, 2012, 05:41 PM
What goes up, must............
Pittsburgh, PA USA
Joined Apr 2001
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Recommended Timing for a Copterx 430XL Motor

Hi,

I have this motor in a CX450 SE V2 Helicopter with a Phoenix 35 ESC.

CopterX (CX450-10-04) 430XL Brushless Motor (3550KV)
I see on another Forum that CopterX recommend 7 for 6-8 poles timing.
Someone opened one and reports:
opened it up and counted manually. 12n8p motor, 12 nuts on the stator, 8 magnets.

http://www.rcgroups.com/forums/showthread.php?t=1079926

My problem is that sometimes at lift off I start to get surges / pulses of power and have to throttle back down and restart.
During flight, on my 3rd or 4th pack (in winter though so air temp is only around 40 F) I sometimes get a sudden noticeable increase in speed for 30 sec or so then it drops back to the original power level.

I just am learning so only fly lazy 8s and circuits.

I suppose it must be a problem with the motor, wiring or an ESC - motor mismatch. The wiring all looks OK. I have a new motor on order. However, if it were just settings, I would be able to fly now.

I have:
Motor start power = Low (39)
Motor Timing = Normal (5) (Default)
Direction = Reverse
PWM Rate = 12 kHz (Default) [The motor ran with 4 "Outrunner" mode, but very badly.]

Phoenix firmware = V3.28

Do you have any recommendations ?

Thanks,
Tim
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