Update @coolvision, @saengphet
Today I tried Cube Orange instead of Cube Orange+, and it did not make it better, perhaps a little bit worse. However I also tried hard mounting the Cube orange to the center of the bottom carbon fibre plate and it made a huge improvement!
Here is a comparison of a 20s hover test in the same conditions with the same flight controller, the only difference is one is soft mounted (alpha gel bushings and 3M foam tape), the other is hard mounted.
The 20Hz peak is almost completely cone, the 35Hz peak is greatly reduced and the overall noise is reduced. I am quite surprised about this and the only explanation I can think of is if the frame is very stiff it will pass higher frequencies and stop lower ones while the soft mounted version allows for the low frequencies to pass easier.
Tomorrow I will go back out and try hard mounting the Cube Orange+ to see if I can get even better performance. Might be able to increase some PID gains aswell, even though tracking seems good.
Post filitered accelerometer and gyro data is starting too look quite good now
