To answer your questions based on my experiences with axe robots:
Yes, it is feasible. I do exactly this 2 stage reduction with solid gears in my Middleweight. I would aim, in the FW class,...
OK, so I've got a second transmitter which I've managed to bind Azriel to and that works fine. Batteries all charged and is good to go. In typical fashion however, Jibril is being the problem child....