I had one of these little beauties and it was GREAT!!! Put an OS 70 Surpass up front. It is the ideal engine for it. No mods were made on mine and the only thing I would suggest is to beef up the landing gear. Not the wood where the gear mounts... The aluminum gear itself. Two other guys and I had trouble with the gear spreading on anything but a perfect landing. I wound up putting a piece of 3/16 music wire on the bottom held in place with "J" bolts.