After having flown a season on the KC, I can tell you that Crow helps alot. I flew the first several flights without it and then one day, found another KC with it, so I added crow and took out some elevator.

What I noticed when moving from the NO crow setup to Crow is that the tail drops a bit to a better landing attitude, and the pitch sensitivity is gone and aileron effectiveness is unchanged even on low rates. the plane "locks in" on final better than any plane I have ever flown with Crow.

However its mixed, you have to watch the 'additive" effect of the mixes.. Its addressed in the 12x. It wont let you go past the MAX ATV... if you set the atv to the max value, Doesn't the 10X limit you too? I never flew the 10x, so Im asking.. The 12x has a flaperon setting that makes crow a cakewalk.

Mine is set up against the Flap switch, so that at 15 deg takeoff flap I get about 1/8 inch crow, and a tad less than 3/4 inch at 35degrees landing flap. The wee little bit of crow on takeoff helps it rotate smoothly. Once I did that, it became my favorite plane instantly..

Flying the KC... IF the Nose gear ever touches first, go around or fly away and reset... crow helped this situation immensly too...

thats what I learned this last season.. I can wait for next season. Im going for 100 flights on it next season... thats alot for me but I just fell in love with the plane...