"According to the Arducopter manual, DJI ESCs don't require calibration. My DJI S900 with Pixhawk flew fine without calibration."

"Yes, I believe you are missing something major here; but you've answered it at the same time. The lack of telemetry is a huge deal. Having that data available is a requirement for many of us and can save your vehicle if you miscalculate your battery…"

"David,
You are my new hero, thank you so much for posting this. This seems to show that the over/under motor config is much less efficient than a multirotor with one motor per arm; ie... hexa with 6 arms/ 6 motors seems to be much more efficient…"

"Thanks for the answers Nigel and Haygood.
Nigel,
I'm very surprised that the Y6 would attain less than 5 mins of flight time with only 350g of payload. We flew our QAV500 quadrotors with 500 - 550 grams of payload (in addition to an FPV cam, Vtx,…"

"Just tried it with my R7008sb and same problem as everyone else here is having... doesn't work. Changed mode to Sbus, used Sbus / 8 Pin (tried SBus2 also). Strange thing is that it works fine with my R2008sb using same T14SG Tx. With 2008sb, radio…"

"It appears to be a bug in 1.2.46 and .47. I just reinstalled 1.2.42 and it worked fine."

"In Mission Planner go to the "Configuration" tab then select "Flight Modes" from the left side of the screen. Use the drop downs under each flight mode to select what you want. Of course you must have your RC Tx calibrated first and have channel 5…"

"Dave,
The Ardupilot is just a flight control board while Arducopter is a quadcopter frame. There is also an Arducopter firmware that you load onto the Ardupilot board. And yes, you can load Arducopter v2.8 firmware onto the APM2.5 board (or the…"