Okay here is my dilemma. I have been flying the QAV-S 4" frame with a iFlight Beast F7 45A AIO FC, with BETAFPV 1506- 3000KV motors. It fly's pretty good to my noobish eyes, but here is the issue. It has some of the worst propwash I have ever seen. I have turned up the filters in BetaFlight, and...