A successful build of my heavy lift quad copter.

Thanks especially to William Cox and Steve Keep - it is now flying a lot smoother.

Specifications:

  • Pixhawk
  • U8 motors
  • 70A ESC
  • 10S 8Ah (2 * 5S)
  • 28" Carbon fibre props
  • Aluminium frame
  • Weight (no payload or batteries) 4.1kg
  • Water resistant
  • Lunch box :-)

Successful flights:

  • 5 minute test flight at 12kg
  • 24 minute down to 3.57 volts per cell

Issues:

  • Loiter stability - everything stable except loiter
  • Needs a larger box

Attached is my parameters. I read a lot about people not sharing parameters. And these need a lot of work, but here they are... shared...

In the next 4 weeks it should be flying down in Antarctica doing some radio tests to wave buoys and photos of sea ice floes.

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There are the throotle accel PIDs you can decrease if you have an overpowered copter,we have done so till P=0.625 and I=1.25,but maybe we have to decrease more. Size of props is 28".What flight controller are you using.Ours is apm 2.6,maybe with a pixhawk it would be better

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