what you say 230 yes i wanted to scale it to a 1/4 scale size done some mods and now it comes time fo the engine to pick out i just bought a used ys fz 140 and dont know if it will be the right choice and ideas guys and gals the plans called for a super tiger but not my choice of engines the plane will weight in a little lighter with the carbon fiber gear and some wieght saving ideas but all in all the plane with this engine will wieght in about 9 1/2 pounds