Gainesville, VA - USA
I'm not sure exactly what info you are looking for, but here goes....I use the 401/S9650 combo on both my Trex 450 helis and it's worked fine for over two years now.I always trim my helis out in Rate mode, then use HH after that. I use the auto setup on my DX7 and PCM10X to vary the control gain depending on flight mode - usually between 70 - 80 percent. (Whatever it takes to make the tail do what I want it to do.)I do not flip switches (other than flight mode) when I'm flying. My gyro gain and dual rates are all controlled by the Flight Mode I'm using. I usually spool up in Normal, switch to FM, and go fly.I use the 401/S9257 on my Trex 500. I use the 401 with a JR 3400 on my Lepton.My big helis have 502 or 611 gyros.Take care,RonHelicopter Junkie since '71 - Hopeless Case.