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Thread: Rob215's QAV400 Build

  1. #71
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    Join Date
    Aug 2014
    Location
    Temple City
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    6
    Hello everyone,

    Sorry if i went kinda off topic here but this seems to be the closest to my QAV400 issue.
    I am getting some oscillating noise/reaction every time i give my QAV400 a sudden UP throttle.
    All the wires on my QAV400 are braided except for the motor wires. Yes, all four corners of motor wires are not braided due to miscalculation.
    I am using the recommended MOTORs and ESCs, by the way.
    *Is it possible that it could be the EMI that's causing that noise/reaction and that i should be braiding those motor wires or maybe just a few tweaks on PID gain can fix it?
    Please help...
    Last edited by Vash_Stepler; 13th October 2015 at 08:39 PM.

  2. #72
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    Join Date
    Jan 2015
    Posts
    10
    Probably depends a bit on what flight controller you're using but likely your PIDs can solve the problem. If you're using Cleanflight/Baseflight/similar then add some TPA. This reduces your PIDs as the throttle increases and should tune this out.

    If you're on APM, I'm not sure whether they have a similar setting.

    Either way, lower your P a bit and see if it goes away.

  3. #73
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    Join Date
    Aug 2014
    Location
    Temple City
    Posts
    6
    My controller is the Eagle Tree Vector (with PID gains on factory/stock settings).
    Thank you. Ill try that out.

  4. #74
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    Join Date
    Dec 2015
    Location
    Germany
    Posts
    12
    nice build rob. i got a problem with my gimbal, the roll axis isnīt working. can you pleas send me your settings ?

    thanks

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