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  • robert bouwens February 19, 2011 at 12:53pm

    tja, summer and time to play.

    that's what i'm missing... really nice video!

  • Developer
    Max Levine February 15, 2011 at 12:15pm

    When using small motors and props, it got off the ground at~60% throttle, and did about same air time.

    But bigger setup gets it off the ground at 25~30% throttle.

    Actually on my quad frame same motors/esc/props/Lipo and 1.4KG frame (overall) i was geting ~16min in the air and i was flying much more aggressive :)  

  • robert bouwens February 15, 2011 at 11:39am

    hi,

    larger propellers result in an increased efficiency.

    your air time is simply great.

    something to think about :)

    thanks robert

  • Developer
    Max Levine February 15, 2011 at 11:15am

    its 1.2 KG. 400g of it; is 5000mah 3S lipo :)

    I did some tests with BC2836-11 750KV and 10X4.7 props. ESC 30A got ~20min in air.

    ACM's PIDs

    P/R P=0.6 I=0.01 D=0

    YAW P=0.9 I=0.05 D=0

  • robert bouwens February 15, 2011 at 10:53am

    hi max,

    it would be interesting to see your pid values.

    in contrast to the overall weight.

    i quess your copter is quite heavy.

    but it looks really nice.

    regards robert

This reply was deleted.