DUCK!!
Hear is my unknown Gee Bee Profile. I call her the Duck because of her markings. Will take off in a body length, loops super tight, rolls almost axial, capable of anything and fits in the trunk of my 76 Eldo Caddy with the top down (and the wing attached). I want more of these things! I love it. The motor is a really old K&B Torpedo .40. Seems to be more than enough at half throttle. Weight is 4.3 lbs. Here is a side view: