RE: KMP Gee Bee
I have a KMP Gee Bee. The fiberglass work is very good although the belly pan could use some reinforcement - any time you pick it up by the belly pan, it crushes and cracks the gel coat. The landing gear is very soft and bends very easily and I don't like the way the wheel pants mount - they screw into the foam wing. The wheel pants also have very weak fiberglass - mine split on the seam on the first landing and fell apart (it nosed over). The wheels are foam and are too soft - they get flat spots if you let the plane sit for too long. I used a G-23 and it needed about 8-10 oz of lead in the nose. Total weight was about 11 lbs.
Flight - It taxies nicely and is smooth taking off with no sign of tip stalling but it is touchy in the air. You have to be on the controls all the time in order to keep it tracking straight. Landings, probably like any Gee Bee, are a real pain. The plane noses over on every landing (paved runway). It's a real challenge for me to land it without nosing over. I think on grass, the problem would even be compounded.
Over all, it looks more scale than the Great Planes and the wing loading is lower - but I am staying away from Gee Bees from now on!