> Seems more sensible to me to do it that way, The interesting part to me of the OP's design is it has only two identical moving parts. Adding 2 * 2 DOF gimba

> Seems more sensible to me to do it that way, The interesting part to me of the OP's design is it has only two identical moving parts. Adding 2 * 2 DOF gimbals is four more actuators to go wrong, for a total of 6. That flight demo is pretty nice, though.