richohealey, it is especially on more pure acro-machines I run on "low" in flight and "high" during takeoff and landing. On my Funtana90 I prefer to have dualrate on "low" for my ailerons on landings and takeoff yes, it could be a short ride into ground on such a sensitive bird. Problem is the gusts on the airfield...
The way we prefer to program and use rates and expo on our transmitters is not the same for everyone, after some years we have our personal preferences and bad habits