RE: U Can Do 3D
Wow, we finished our UCD60 with the Saito 125 and this thing-is so smooth in flight. My son is doing extremely well with this plane. He lands it perfectly, can hover (at altitude) for as much as 15 seconds, flies knife edge pretty well, and the rolls are quick and good looking.
He has only flown 2 gallons of fuel since he started flying and he has no problem flying this plane pretty well. I would urge anyone to consider the UCD as their second plane as long as you can practice throttle control.