Ken,
What trim adjustments did you do to the ARF Nobler to get it in final trim?
Best, DennisT
Actually it took very little. I got one of the three that they made without a warped wing
I didn't even need a trim tab.
Bench:
* Added some area to the rudder, about 3 square inches but no offset. Mostly it was go give it the Gieseke look.
* Replaced the ARF controls, all of them, with a Morris set.
* Changed the flap ratio to 2:3. Stock Noblers have way too much flap for my liking.
* Added 1 degree down thrust.
* Sealed the flaps and Elevator
Field:
* First was the tip weight. It took just over 1oz to make it right. Less than the twister needed which is weird.
* Moved the CG back till it started to hunt then moved it back fwd. That one was rock steady, no hunting, I think that I accidently got it lined
up straight.
* Leadouts were 3/4" behind CG
* I had to add 1 turn of up elevator to even the turn rates and that is all I ever had to do. I just flew the Cr** out of it.
I was done trimming in three flights and it flew like a real stunt plane. I flew it in classic for a couple of years (local allows ARFs) and even placed a few times even without the appearance points. I had just converted it to electric when it got vaporized in our house fire.