The engine is going into the goldberg lightnin bug, just did a mockup . with the radial mounting a slam dunk just the right length to just clear the front of the Fus. with no hacking to mess up that nice sweep at the front,also weighed the engine with muffler 105Gm the stock enclosed 400 brushed motor and gear box that came with it 104Gm. the little berg 4 CH
receiver 3 submicro servos one oz tank or 2 oz tank??? martin