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Some ancient history....DJI F550 assistance please

Discussion in 'Drone Builds and Kits' started by mpk, Aug 1, 2018.

  1. mpk

    mpk Member

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    Aug 10, 2014
    Toronto
    Posted by mpk, Aug 1, 2018 #1
    I just dusted off my F550 - which flew - when I put it away years ago. But I just installed a zenmuse gimbal and gopro 3+ on it. It is all working properly (ie gimbal) but when I try to fly it it flips over to one side. I’ve checked motor direction and it is normal. The centre of gravity appears to be ok but it still flips onto one specific side. Any thoughts/suggestions would be welcome as I’d like to see it fly again after making an investment in time etc. Thank you....mike

    PS - I think I’ve had this problem before but can’t recal how I fixed it!
     
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  2. Jason S

    Jason S Member

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    Nov 11, 2011
    Japan
    Posted by Jason S, Aug 1, 2018 #2
    make sure you do all the calibrations again. check fc straightness, make sure its not moving around also i cabletie mine down.

    check in the software you still have set-up correctly and your getting full range of sticks also
     
  3. Christian Rogers

    Christian Rogers Member

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    Jul 26, 2018
    United States
    Posted by Christian Rogers, Aug 2, 2018 #3
    Actually i agree to Jason
     
  4. mpk

    mpk Member

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    Aug 10, 2014
    Toronto
    Posted by mpk, Aug 2, 2018 #4
    Thanks Jason-I’ll walk through the alignments again. But I have to ask - what is the ‘fc’? Happy to tie wrap it down but I’m not sure what the acronym stands for.

    Thanks again!
     
  5. Jason S

    Jason S Member

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    Nov 11, 2011
    Japan
    Posted by Jason S, Aug 2, 2018 #5
    [​IMG]

    FC stands for "flight controller"

    I found the best was double side tape with a little sponge in it 2-3cm is ok. I actually havent flown my dji 450 since i flew it into a pole during fpv session. It was like it hit the self destruct button lol I dont trust the naza lite m at all.
     
  6. mpk

    mpk Member

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    Aug 10, 2014
    Toronto
    Posted by mpk, Aug 2, 2018 #6
    Thanks again Jason.....I think that I’ve also found my problem.....I’ve tried a new way to figure out the centre of gravity. The gimbal has definitely thrown the 550 out of whack. Looking forward to using my Mavic Pro! Cheers
     
  7. Jason S

    Jason S Member

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    Nov 11, 2011
    Japan
    Posted by Jason S, Aug 5, 2018 #7
    can you share what it was?
     
  8. mpk

    mpk Member

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    Aug 10, 2014
    Toronto
    Posted by mpk, Aug 6, 2018 #8
    Still working on it. But am fairly certain that it is the centre of gravity. My challenge is to mount the battery in such a way that it equalizes the balance. I can balance the copter on a rig that I’ve put together but mounting the battery so that it is secured is proving to be a problem. The straps that I have are proving insufficient. Hoping to have air worthy by end of the week and will post something then. Stay tuned.
     
  9. mpk

    mpk Member

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    Aug 10, 2014
    Toronto
    Posted by mpk, Aug 6, 2018 #9
    Got it to fly...the balance was the key. The installation of the gimbal readjusts the balance of the drone. The battery has to be adjusted to account for the gimbal. It drifts when it takes off so I’ll have to check the positioning adjustments and that should bring this to a close. Thanks all for your input!
     
  10. Christian Rogers

    Christian Rogers Member

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    Jul 26, 2018
    United States
    Posted by Christian Rogers, Aug 8, 2018 #10
    Nice idea i hope your problem will be fix so that you can take your flight
     
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