Originally Posted by
Bob_B
Depending on what radio system you use, Id suggest Flight Conditions with separate trims for each, make your flap switch your Condition switch and then you can re-trim the model with each flap position.
BINGO!! We have a winner, That's what I did and it works great. I'm using a DX18.
Thanks to David Payne for the help
Mine is setup for trims on ail, rud, and elev.