Wednesday, June 14, 2017

ZMR250 or QAV250 Racing 250mm QuadCopter

I am building a ZMR250 quadcopter.  It came as a frame kit and I added the ESC (Electronic Speed Control) and Motors.


It did not come with a lot of instructions but I managed to get it together but not working.
This is what it looks like assembled with a MultiWii controller.  I had to countersink the propellers because otherwise there is not enough threads to get the top nut on.
The problem now is that only two of the four motors spins up.  I replaced a motor and now suspect it is the ESC's that are defective.


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