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Thread: 400Q --> 465Q Conversion. Brushless Gimbal and 10" props while maintaining symmetry.

  1. #1
    Sr. Keyboard Cowbow chatch's Avatar
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    400Q --> 465Q Conversion. Brushless Gimbal and 10" props while maintaining symmetry.

    Here are some new flat arms to add a bit to the size. I maintained perfect symmetry instead of haphazardly extending the arms along the same line. There should still be enough room to keep props out of view(the math is the same as for 400 size, just bigger numbers). I minimized the size for 10" propellers, but 9" will also work great.

    The new size is exactly 465mm motor to motor, and it is still symmetrical. Make sure you install the arms flipped the right way(skewed a few degrees outwards), otherwise you will end up with a frame proportioned like a Flip FPV... and you don't want that

    On top you can see the new 10" arm, compared to a normal 400 size 8" arm. This should yield 15-20 minute flight time. You can use your existing motors - just switch from 4S to 3S. It won't be very efficient if you run 1100kv on 10" props with 4S, you might actually smoke the motors if you run them super hard.

    Check the link below for a screw-on gimbal to carry a Hero3. All frames already have a standardized accessory pattern that was used to secure the gimbal.

    http://fpvlab.com/forums/showthread.php?17253-Gimbal



    Last edited by chatch; 25th June 2013 at 02:31 AM.
    Quote Originally Posted by jimmaplesong View Post
    When you're outraged at chatch, please don't quote his bullshit.

  2. #2
    Ouwe Zeikerd Carbon's Avatar
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    The gimbal mounted looks sooo awesome. I want one..
    But for now I'm stuck with a homemade tricopter and no gimbal! Nice quad you got there chatch, I always liked the look of flat arms like a FLIP quad.

  3. #3
    Parochial Nimrod Steezus's Avatar
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    Would you get more thrust on 3s, 2216, and 10 inch props than you would 4s, 2216, and 8 inch props?

  4. #4
    Sr. Keyboard Cowbow chatch's Avatar
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    it will actually be the same thrust. you are losing 25% voltage and gaining 25% prop diameter at 10 inches.
    Quote Originally Posted by jimmaplesong View Post
    When you're outraged at chatch, please don't quote his bullshit.

  5. #5
    Instructor Pilot
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    900kv would be nice with 10inch and 4s eh???

  6. #6
    Instructor Pilot
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    Im interested in a set of longer arms and gimbal parts.

  7. #7
    Sr. Keyboard Cowbow chatch's Avatar
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    Quote Originally Posted by jimmaplesong View Post
    When you're outraged at chatch, please don't quote his bullshit.

  8. #8
    Instructor Pilot
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    awesome work. you thinking the silicone bobbins will be good enough to get rid of the nylon spacers on the flat arms?

  9. #9
    Sr. Keyboard Cowbow chatch's Avatar
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    having more space between the dirty plates prevents the frame from twisting, but you can try for sure.
    Quote Originally Posted by jimmaplesong View Post
    When you're outraged at chatch, please don't quote his bullshit.

  10. #10
    Sr. Keyboard Cowbow chatch's Avatar
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    Quote Originally Posted by jimmaplesong View Post
    When you're outraged at chatch, please don't quote his bullshit.

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