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Heavy Lift Hexa Build

Posted by Paul on December 3, 2011 at 5:42am

I did it, finally the hexa is ready for a tune! its taken its sweet time, over 2 months of waiting and building and lots of $$$ but im excited to take it for its maiden flight real soon. my intention of using this hexa was for aerial video with future heavy lift if and when needed.

any help with tuning would be helpful. will try and get some video of the maiden flight and some tuning progress vids too.

hexa1.jpg

hexa3.jpg

hexa5.jpg

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Replies

  • Umer April 11, 2012 at 12:50am

    Right now tuning Hexa jdrones 2.5.3 880, 12x4.5, Started off with stock pids and Rate Roll P 0.1, Stabilize Roll P 3, TriM_throttle 450. You people way ahead with the same rig, any final tuning parameter values?

  • Paul December 10, 2011 at 11:42pm

    holy cow!

    fixed it. all this time it was in mission planner setting up the radio properly! arrggg. i didnt know the software was so particular when it asks after calibrating radio " center all sticks", previously i just had the throttle stick to 0 then click ok. 

    ok so back on track... yay.. off to tune, will do some flight/tune vids too. over and out

  • Kevin Vertucio December 10, 2011 at 8:48am

    @Paul, have you tried disconnecting each individual esc and calibrating? BTW, your hexa looks nice. I finally put mine together too, so I was looking for some tuning help. Are you using a UAP1 frame from Rusty? I have the same.

    @nicolas, do you fly at all in acro/rate mode? i have just finally finished building my hexa and tried the default PIDs and it was very wobbly. I will try out your shared settings as starting point. My hexa is heavy...almost 2.5kg AUW.

  • Paul December 6, 2011 at 2:37am
    I've searched high and low, still no luck. Ivwould like to get some tuning soon as ive got a small video job coming up but im dead in water right now. Is there something wrong with .55 or is this hardware related?
  • Paul December 5, 2011 at 6:10pm

    and to the apm board3692313298?profile=original

  • Paul December 5, 2011 at 6:10pm

    this is the pcb connections
    3692312791?profile=original

  • Paul December 5, 2011 at 3:54pm

    hey guys, here is a quick video what is going on with my esc/motors. any one can help?

    https://www.youtube.com/watch?v=HeP-e9DJFz0

  • Paul December 4, 2011 at 11:30pm

    hi guys, any one have any clue as to why my esc/motors are beeping like crazy after a firmware update .55 ?

  • Paul December 3, 2011 at 6:40pm

    thanks, ill give it a shot, hopefully tomorrow if the weather holds out.

  • nicolas grunbaum December 3, 2011 at 7:47am

    Hi, nice hexa. Tuning is a bit tricky. Some of us (for example me) are having to fine tune hexa. Is quite dificult. But you can start with some values like: 

    stab P: around 1.8 - 2.5 (powerful motors)

    stab I: 0.1

    rate P: 0.080 - 0.120 (again powerful motors)

    These are actually mines:

    STB_PIT_P  3 (I think I change it last flight to 2.4 but I'm not sure, it flies with 3, but little wobble)

    STB_PIT_I    0.1

    STB_PIT_IMAX  30


    RATE_PIT_P             0.085

    RATE_PIT_I              0.1
    RATE_PIT_IMAX       15

    I'm using 2.0.54 firmware with the attitude patch.

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