The problem is a non-problem. You will have to have a stalled servo for that much current. A 50cc plane will do fine since it only has five servos to run and they rarely run at 100% load other than the inrush to get started. The throttle is minor. The ways mentioned are great, but unnecessary. I run all my planes(33%) thru the receiver plus my 40% buddies just use two receivers for redundancy and to split whatever current there is.