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  1. jfro

    Batteries

    Please let me know if this is somewhat correct. #1 8 Tiger u5 motors have a rating of 20 amps at 100% throttle with 16" 5.5 props. 8x 20 = 160 amps draw. Their max rated draw is 30 8x30 = 240 amp draw. max The...
  2. jfro

    Pixhawk Feedback?

    Smoke or beer. Either would work.
  3. jfro

    XAircraft SuperX crash... what happened?!

    You putting it on an X8. If so, I'd be interested in hearing how it goes. I didn't have a lot of success so my xaircraft is now on a low kv motor quad. Like it a lot better.
  4. jfro

    XAircraft SuperX crash... what happened?!

    After you moved the gps unit, did you recalibrate your quad, ie. do the dance on 3 axis counterclockwise 3 turns each? Not sure if that would have anything to do with your problem, but I always recalibrate when I go to a new location or move parts around. I get made fun of a lot, but seems a...
  5. jfro

    FAA bans 'drones' on commercial farms

    There seems to be some chatter about how the large companies are trying to influence the FAA into regulations to lock out the majority of peeps / companies that don't have deep pockets. Sort of stiffing individual or small company innovation. In upstate NY, we have one of 6 sites that the...
  6. jfro

    Pixhawk Feedback?

    "The largest negative to the Pixhawk I can see at the moment is the lower voltage capabilities compared to some of the other FC's. OTH, this may end up a positive if any of the issues other FC's have experienced have been due to excessive voltage or heat. The lower voltage requirements...
  7. jfro

    Pixhawk Feedback?

    Curious if you are doing your testing with 3.15 or the 3.2 beta. I put the 3.2 beta rc4 on my 550 quad and it seems to be performing pretty good. Somewhere I think you referred to testing some Pixhwawks on larger MR's. Have you any findings you can share? If I'm halfway succesfull with...
  8. jfro

    Pixhawk Feedback?

    Old Man. From reading your posts lately I'll take that with some influence behind it. I've found reading about all these A2 failures and DJI fly aways as well as my own experience with my Pixhawk just dropping because (possibly) a flight mode change, I find myself flying with more apprehension...
  9. jfro

    Pixhawk Feedback?

    Reading through the last 24-36 hrs of posts, I have to say, much of what is being said, I can agree to and in some instances can verify. Currently I fly a 650 quad w/ 3520 KDE motors with SuperX. It's ok, but little disappointed for the price, they haven't had some improvements via software...
  10. jfro

    KDE Direct has added Multi-Rotor Heli motors to their lineup

    Qqc Long read. about 1/2 way down on this page is KDE's summation and fix on 2 shaft failures on the KDE4014XF-380s. http://forum.freeflysystems.com/index.php?threads/crash-video-x8-with-kde-4014-into-the-water.4598/page-5. I have some KDE 3520's on a quad carry gopro, GH2 (and gh3 on...
  11. jfro

    New gimbal controller - Phobotic Centerpiece

    They announced Aug 31 ready to go either today or yesterday. It's funny, cause I was just thinking about giving up on it this year and going with another 32bit Alex Mos. Guess I'll wait a bit longer. I have 3 gimbals I'd like to try it on..... If it's as good as expected, I'm guessing the...
  12. jfro

    New gimbal controller - Phobotic Centerpiece

    I have been following it and it has potential. However, not sure I'd call it a game changer. Just another step up the ladder IF if works. He announced it early Dec 2013. Showed first production run 1st week June. He (they? ) have been working on software to get it to A. autotune, B. Hold...
  13. jfro

    GH4 vs BMPCC

    I have hacked gopro3, two gh2's, gh3, gh4, 5d mk II , bmpc, & gh4. Currently my fav's for flying is gh4 or video and photo's. If I wanted to print photo's to sell, I'd put up the 5d mark ii. Gh4 does not get the clarity that the 5d mark II does on photo's. If I were shooting for a hollywood...
  14. jfro

    The ALL New DJI S900 Hexacopter!

    Any opinions on putting a Naza V2/gps on this? They say they get 18 minutes hoover time on 12,000 6s. I'd assume then maybe 12-14 minutes on 8,000 with loss of some battery weight. I wonder what they use for finish voltage on the 18minutes hoover time? 2.6v per cell? 2.5v? 2.4v?
  15. jfro

    Aeronavics / Droidworx Total newbie just inherited a mildly crashed SkyJib-8

    I am not nearly as experience as most here, but I've built 4 MR's on 4 different flight controllers from small quad to 18lb x8. If I were in your position when I first started, but knew what I know now, I'd convert it to a quad, test and find the best 4 motors, research the esc's and either...
  16. jfro

    Help with Pixhawk logs after crash

    Thanks, I have a account on that forum. I sent the logs to 3DR and still waiting there opinion on the logs. I also posted a question there a few months back under the Pixhawk forum and got no answers. Generally, get something here. So far, it appears I may have had a brownout...
  17. jfro

    Pixhawk Feedback?

    That was just my opinion. Kind of what I deduced after researching the Pixhawk before buying. I fly by myself and don't know anyone who flies multirotors so everything I know is from internet reading,a few private messages, & 1 1/2 years of flying experience. I have built 5 MR's and in my...
  18. jfro

    Motor Testing Equality- Independent and Unbiased

    I think many of us would like that, but I think I don't think it's possible without some major time and money. Too much for any one person to do without being paid. I think it would be great, but to do it as you describe, it would take a well thought out plan, lots of time, money, and...
  19. jfro

    Can't get it up

    Prop labeling should face upwards. Check your motor rotations and make sure you have the props on proper. Quads are usually back right and front left one motor direction and back left and front right the other. So the props should be the same on those pairs. Check your motor rotation with...
  20. jfro

    Pixhawk Feedback?

    I don't know on GPS. Bought everything from 3dr Jan 2014. Says 3dr on it. I was out of state, so re-calibrated everything. Would autoland cause a complete brownout? Battery was fully charged and I usually get 10-12 minutes on flights. It was only a 3 minute flight although I did have...
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