Me, too. I don´t see any battery cooling system. This will be a problem, if he´s getting it to work. With these big motors, the batteries will get very hot ...

Me, too. I don´t see any battery cooling system. This will be a problem, if he´s getting it to work. With these big motors, the batteries will get very hot ... and maybe, burn down ... or at least don´t work very long.