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    Problems with AlexMos Gimbal IMU Cables!! (and...

    Problems with AlexMos Gimbal IMU Cables!!
    (and a simple solution!!)


    I wanted to document a recent problem I've had because it was quite frustrating and hopefully this post will save others...
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    Awesome thanks! I'll try to answer your...

    Awesome thanks! I'll try to answer your questions...

    1. I did a lot of research and watched a lot of videos. You're right, I'm more interested in a camera platform than doing flips and rolls. I...
  3. Yes to both questions! I have detailed all of...

    Yes to both questions! I have detailed all of this, including the wiring, in my build log:
    http://fpvlab.com/forums/showthread.php?33317-Rob215-s-QAV400-Build
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    Thanks! And yes, I would love to clean up all of...

    Thanks! And yes, I would love to clean up all of those servo cables!! Do you have a link to the one you used? Are there any downsides?
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    How much difference does 335 grams make???

    I made a video comparing my QAV400 in two different configurations, side by side:


    https://www.youtube.com/watch?v=5Si2NXzLHGk

    I get a solid 10 minutes of flight time using 80% of my 5200mAh...
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    Fun on the Lake, then Return To Launch!!

    Here's my next flight after tuning the yaw PIDs. I would NOT have been able to follow the boat in this video if I had been using the default settings for yaw. This is just a few minutes of edited...
  7. I've broken the same shaft. I also had to buy a...

    I've broken the same shaft. I also had to buy a replacement motor. As mentioned, I was happy that I could repair my $200 gimbal with a $30 motor, but at the same time it would be nice if you sold the...
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    Yaw PID Tuning on APM 2.6 - Problems Making Turns

    As I've mentioned in previous posts, I've been having trouble making turns. The default settings for yaw in APM 2.6 don't seem to be working very well for my QAV400. When I'm making a turn, my quad...
  9. Thanks Tim!! The horizon seems to be holding...

    Thanks Tim!! The horizon seems to be holding better since I did a 6 point calibration of the accelerometer. Is there a specific thread where I can ask questions about tuning the gimbal PIDs?
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    More QAV400 Gimbal Tuning

    Since I want this build log to help as many people as possible, I need to catch up and post my recent experiences before I post my latest video.

    I'll start with gimbal tuning. I'm using the QAV...
  11. Just shot this yesterday! Thought you might like...

    Just shot this yesterday! Thought you might like it =)


    https://www.youtube.com/watch?v=akVrRqwjKXM
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    That's awesome! I'd love to compare notes!! I was...

    That's awesome! I'd love to compare notes!! I was curious about the 10" arms as well but I feel like I want to sort out the current problems first. I just did a 6 point calibration of the gimbal...
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    Here's the flight path from my previous video,...

    Here's the flight path from my previous video, "Range Test 02". The video was edited down to 5 minutes from a 10 minute flight, so the full flight path looks a little different. Still, you can see...
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    Latest Video and Questions About Yaw Tuning

    Here's my latest video...


    https://www.youtube.com/watch?v=R0V16BVnqUo

    As noted in the video description, I'm trying to resolve a couple of issues.

    First, the gimbal isn't keeping the...
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    Hey Andy, thanks for the reply! I certainly...

    Hey Andy, thanks for the reply! I certainly recommend everyone start off with the stock QAV landing gear from GetFPV.com. It works well and only weighs 37 grams. That being said, I'm experimenting...
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    Hey John, I'm getting 10-12 minute flights with...

    Hey John, I'm getting 10-12 minute flights with my current configuration. I'm not really pushing the batteries to their limits. I'm about to upload an edited version of my latest flight, but I'll...
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    QAV400 Landing Gear, PART 1

    I've been experimenting with some different types of landing gear. The stock QAV400 carbon fiber landing gear doesn't provide enough clearance to land in tall grass and it doesn't provide any shock...
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    QAV400 Build Cost Chart

    A number of people have asked me what it cost to build my current QAV400:

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    Here's the flight path from the "Speed Test"...

    Here's the flight path from the "Speed Test" video, using the APM log file and Google Earth:

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    Speed Test - 54 MPH

    I finally did some actual flying instead of just testing and tuning. My QAV400 achieved a top speed of 54mph today!! You'll see it at 01:13 in the video below. I was flying along with a 9-10mph wind....
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    Here's my flight path from the previous video,...

    Here's my flight path from the previous video, using the APM log file and Google Earth:

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    Range Test 01

    https://www.youtube.com/watch?v=HBIJEIB6gO8

    Today I did a range test. I flew out to 750 feet from launch position, at an altitude of about 90 feet. Everything worked pretty well. There was a...
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    Flight Mode Test: Loiter

    I'm going to be doing a series of test flights so I can become familiar with the different flight modes and switching between them in while in flight. This video was recorded on the same day as my...
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    APM AutoTune FPV Flight

    After I resolved the issue with the OSD, I went back to the park to run AutoTune again with the heavier battery and slightly different weight distribution:

    ...
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    minimOSD Freezes after arming!

    I went to do some test flights and I had a weird problem. The OSD worked fine until I armed the aircraft. After 2 or 3 seconds, the OSD would "freeze". I tried it several times and it would update...
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