Compassmot Results

Posted by Daniel Estes on July 30, 2013 at 8:56am

I did the compassmot calibration and at full throttle I keep getting 38%.  I know it is in the low range of the gray area.  I should be okay per compassmot, correct?  All of my other calibrations look good.

Thanks. 

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Replies

  • RedPalm August 31, 2013 at 9:40am

    Hi all,

    I just upgraded to 3.0.1. Mine is an APM2. I do not have any current sensor. Frame is F450, using the stock PDB. APM2 sits on the upper board. 4s4000 lipo is strapped under the bottom board.

    Well I did the compassmot, and repeated a few times with different max throttle settings for 5 seconds before chopping down. What was surprising and worrying to me is that the interference percent varies according to the max throttle value used. Here are my results:

    throttle from 853 => 51%

    throttle from 696 => 40%

    throttle from 613 => 33%

    throttle from 553 => 27%

    Anyone else observe this problem?

    apm-compassmot.txt

    https://storage.ning.com/topology/rest/1.0/file/get/3692817851?profile=original
  • Austin Laws August 23, 2013 at 4:51am

    Jesus I have got mine down to 9% and my god is it amazing to fly. Everything works so well. Loiter perfect auto PERFECT. Everything is amazing now. Shocked how amazing this thing is!!!!!

    Heres how I got 9%

    20130823_124253.jpg

  • CyberCrash August 10, 2013 at 11:24am

    Is this a good result?

    Just finished my HAL hex rebuild after my crash.

    3692797774?profile=original

  • Charles lakins July 30, 2013 at 6:50pm

    I did this also yesterday and was really high 70% range

    what I did was use a strip of aluminum foil tape under the apm on the platform
    a little larger than the apm in it's case by 5mm or so

    and the next reading I achieved was 11%

  • Shyam Balasubramanian July 30, 2013 at 12:55pm

    For now, I never got better results than 39% following the procedure of compassmot strictly.

    Copter flies well, atleast decently well without any tuning yet.

    I think it is a good score, stick with it!

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