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AutoQuad Forum • View topic - M4 arming, but motors don't spin

M4 arming, but motors don't spin

Info and discussion about the autonomous Micro FC, suitable for nanos, micros and mini multirotors

M4 arming, but motors don't spin

Postby DUKE40 » Tue Feb 10, 2015 1:47 pm

Hi,

my M4 with BLDC Hexa is now ready for take off, or should I say almost ready for take off.
I have performed the Air frame gemoetry measurements and calculated the parameters,
I performed the Thrust measurment for my motor, prop combination and entered the A1, A2 and DEFAULT_MOT_VALUE_SCAL with 950.
Arming is working perfectly the LED is showing armed and the QGC confirms as well, but my motors wont spin.
I see in QGC that my throttle is working and correct.
What have I been missing, which hinders the spinning of the motors?
Where should I look?
Best regards,
Image
DUKE40
 
Posts: 364
Joined: Tue Mar 26, 2013 9:49 pm

SOLVED: M4 arming, but motors don't spin

Postby DUKE40 » Tue Feb 10, 2015 1:59 pm

Fro some reason the values for Arm PWM, Min PWM, Max PWM and Starting PWM were 0, this cannot work.
After I entered the values I measured during the thrust measurement (Min 1050, starting 1150, max 1950 and arm 975) the motors now spin after arming and pushing the throttle.
Maiden is only a matter of days.
Best regards,
Image
DUKE40
 
Posts: 364
Joined: Tue Mar 26, 2013 9:49 pm

Re: M4 arming, but motors don't spin

Postby Patnet » Tue Feb 24, 2015 9:28 pm

I too have the same issue. I'm able to arm the M4v2 OK but can't run the BLDC motors via Kisssys Ext. 1.0. I get a kind of heartbeat beep from the ESCs or motors. I'm assuming that the Motor/Esc settings in GQC need to be changed? I've tried DUKE40's arming settings, and get a bit more action--the motors make a little noise.

Does anyone know how to approach this issue? Please can you advise? Thanks.
Patnet
 
Posts: 138
Joined: Thu Jan 29, 2015 10:24 pm

Re: M4 arming, but motors don't spin

Postby Patnet » Wed Feb 25, 2015 5:22 am

Patnet
 
Posts: 138
Joined: Thu Jan 29, 2015 10:24 pm

Re: SOLVED: M4 arming, but motors don't spin

Postby axelnied » Wed Mar 11, 2015 4:28 pm

axelnied
 
Posts: 262
Joined: Wed Jul 04, 2012 5:51 pm
Location: San Diego, CA, USA

Re: M4 arming, but motors don't spin

Postby Max » Wed Mar 11, 2015 6:06 pm

Zero for those values is the default on AQ M4. The zeros only work with the onboard brushed ESCs. For a BL setup, the values you posted are the correct defaults. http://autoquad.org/wiki/wiki/configuri ... -explained

-Max
Max
 
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