ouch , I'm not a spad flyer but this isnt building, it is designing and fitting in a flight pak on a plane you can fly with no worries, let him have his fun flying and dont critique his plane, while he compliments your building skills as your plane....sits still? I personally like 1/2a for the same 2 reasons, I like to build and if they crash , I'm out $30 bucks.... but I do have an extra .15 motor and I'd rather build a throw away plane than spend $100 bucks on a "pretty plane" I might crash....I'm not that good at flying either but I'd rather practice cheaply........no offense to anyone, just my observations.........Rog