Quadcopter front is lifting much more than the back during takeoff

I have just build a quadcopter with an F450 frame, a Pixhawk 2.4.8 and MP (Arducopter 4.0.7). When trying to take off, the quadcopter tilts - the front is lifting much more than the back (and I have not gone any further…). I think I have done all the MP setup steps and calibrations (Accel, compass, radio, ESC). There are no errors in MP. Any suggestions, please?


Adjust your center of gravity (COG).

Lift the quad by the top of the motors diagonally. If your quad drops down on one side, shift something weight-wise to balance it out. Repeat for the other 2 motors, diagonally.

Post a link to the .bin flight log.

If the accelerometer calibration is done properly and your craft has sufficient thrust for stable flight it can handle quite a bit of off-center load. However, if the commanded motor outputs are maxing out it cannot stabilize properly.

Thanks, llamatrails. I think the unbalanced battery was the issue. I have just changed COG and tried to apply some thrust in my kitchen and it seems to lift stable… sigh… in hindsight, this is obvious now :wink:

Thanks, both for your comments.