Thanks again Lancer.  It is a MiniCraft rebox. The placard inside the kit states it to be a PA 18-135. The instructions say Super Cub.  I don't know if the 135 hp is really a Super Cub or not.  This line of private planes, though I do appreciate to have at least some models of this type, include some documentation inaccuracies. My 1961 Piper Sales brochure for the "Super Cub" specs the O320 150 HP as you said.  Locally we used to have a 1959 Super Cub that towed gliders which I believe was a 150 hp. The model has flaps (again as you said) so does the 1961 and the 1959 Super Cubs. The J-3, I ha