Just messing with this setup after turning the notch filters of and anti-gravity on. I must say it does fly better! I didn't turn off the D gain filter. Prop oscillations have been reduced significantly but not totally eliminated. It's good enough to have fun flying. Spec:
Chameleon Frame
T-Motor F40 Pro 2400KV
MRM Mantis F3 FC
Armattan 30A ESC's
FX VTX
HS1177
DAL Q5040 4-blade props