Let’s build 250 class quadcopter: mostly done

It’s been few weeks since my last post about 250 class quadcopter based on carbon fiber ZMR250 frame. Machine is mostly finished by now. At least in LOS configuration. FPV gear has only arrived last week and I still had no time to put it in.

ZMR250 quadcopter

Anyway, it flies and crashes a lot. But this is 250. It’s supposed to do so. After little more than 2 hours in air I can say that:

  1. It is heavy. With 1.3Ah 3S LiPo battery and RunCam HD it weights 530g. Have to make it lighter…
  2. Turnigy Multistar V2 2206 2150KV “Baby Beast” with Gemfan 5030 propellers does not provide enough thrust. Do not get me wrong, it is fast, but I was kind of hoping for higher level craziness.
  3. It is tough. Oh the crashes it has survived…

ZMR250 with RunCam HD

ZMR250 in air

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