ORIGINAL: planeblahblah
Yah that is true, the only reason I mentioned that is because the other guy from my field said it was doing 105mph. We all know a 4 stroke YS110FZ 40 size Mustang doesnt do 105 at my field, they have been radared plenty of times.
I could see a .40 size P-51 with a YS110 doing well over 105mph with the right prop....
So you had maybe a 5-7 mph tail wind at most? Sounds like a true 140 or so, very respectable for an ARF that really wasn't designed to go that fast... Now how are you going to make it faster??