RE: U-Can-Do 3d 46?
I had a saito 91 in mine, had plenty of power, and was easy to balance.
Never tried a knife edge spin.
has quite a bit of coupling in KE
Decided to part my UCD out after 3 flights, check the marketplace for servos/batteries/saito 91 ETC out of it.
I like my electrics too much.
Dylan