RE: Flaperons
I've had a couple "oopsies" with flaps.
Once while doing touch and goes I goosed the throttle and then zeroed the flaps at about three feet up. Model hit like a basketball and bounced three feet back into the air. Ouch - but no harm done (that I know of). Be careful when REMOVING all that lift.
Also: several long, slow approaches at low idle that looked just beautiful . . . until the stall. RATS! Again - no harm done (that I know of). The model looks to be just hanging there beautifully and you forget Rule #1 ("Speed is Life"). Flaps tend to steepen and slow the approach, so don't try and "stretch" it out beyond stall speed.
I'm fretful that any hard landing may knock a wing rib or two loose (this particular model has the main gear mounted in the wings).