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  • OwlPic July 17, 2015 at 5:33am

    We have had strange problems, the solution was where the transmitter mixing caused improper ESC signals on power up.

    In some cases it sent the ESC into program mode, so by the time we lowered the throttle level we now had a non-functioning ESC. Also the default parameters don't seem to be the same as a virgin ESC.

  • John Stuart September 27, 2014 at 6:12am

    Has anyone tried the new Afro 30A HV ESCs with the PixHawk?

    BTW I did try HobbyWing FlyFun 30A ESCs with my PixHawk, flashed with BL-Heli firmware, and I got strange results. Basically I couldn't calibrate them at first. Eventually I got them calibrated by some strange sequence of actions that I can't remember, but they won't spin up when Armed no matter what the setting. They will fly though, without any problems.

  • Artem September 26, 2014 at 11:37am

    here is the is some info on the DJI s1000 and s900 arm arrest mechanisms (the second video shows the arm defect- aluminum locking tab is .2mm thinner than on the rest of the arms):

    http://www.rcgroups.com/forums/showthread.php?t=1677105&page=693

    rctimer uses a totally different locking system, haven't seen any negative info on those. 

  • Daniel Lukonis September 26, 2014 at 5:45am

    Love me some Afros. I've used almost every amp rating version successfully with Pixhawk/APM/HKmini.

    http://www.hobbyking.com/hobbyking/store/__39708__Afro_ESC_30Amp_Mu...

    • Artem > Daniel Lukonis September 26, 2014 at 12:32pm

      try ZTW spiders, for exact the same setup, i get about .3amp per motor less amp draw compared to the same amp rated afros.  (I tried  a LOT of ESCs)

  • DG September 26, 2014 at 5:21am

    Thanks all. You've been most helpful.

    What flashing tool is used with the ZTW Spider?

    Question: why are there 3 wires if no BEC?

  • Artem September 25, 2014 at 11:03am

    these:

    http://www.altitudehobbies.com/maytech-slim-tube-40a-opto-esc-w-sim...

    and these: 

    http://www.altitudehobbies.com/brushless-esc-bec/ztw-spider-multico...

    the last ones are my favorite, all nfet + external oscillator + removed analog filtering + SimonK = the best ESCs :) 

    and this is the 40a version of the last one:

    http://www.altitudehobbies.com/brushless-esc-bec/ztw-spider-multico...

    • Johann van de Venter > Artem September 25, 2014 at 11:21am

      Those ZTW Spiders are awesome, I use them too...

      • DG > Johann van de Venter September 25, 2014 at 5:17pm

        Artem and Johann, are you using them with Pixhawk?

        I am being very careful which ESC is used and that the wiring is correct due do this thread:

        http://ardupilot.com/forum/viewtopic.php?f=21&t=6093

        • Johann van de Venter > DG September 25, 2014 at 11:38pm

          I use min with a APM 2.5

          I do have a friend running the ZTW Spiders on a PixHawk. He initially had a bit of sync issues but it turned out to be the version of SimonK FW on the ESCs that caused it. After updating to the new version he had no issues. 

          I bought my ZTW after him and mine has the same firmware on them that he flushed his ESC with so I think the guys at ZTW did correct the issue. 

          My friend has since bought 2 more PixHawk units and 16 ZTW sSpider ESCs and all of the new hardware works 100% perfectly. 

          I run mine one APM ( as mentioned) with 5010 630KVs and 4S ... 

          Use to have Turnigy Multistar 30A on my quad and those thing are JUNK !! 

          Very Very happy with the Spiders :D

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