Dunno why but I woke up during the night after dreaming of receivers
But it basically went like this..... 2.4ghz TX with two RX's bound to it, like you would if you wanted to put seperate rx's in two models.
This was the crazy bit. Put 2 bound rx's in one boat so they operate together, ie move stick on tx forward and it operates channel 2 on both rx's. Ta da instant 16 channels. But then the little bloke in the head added another and another, instant 32 channels
But he kept adding rx's until he had 128 channels
Now thinking about it in broad daylight and wide awake I honestly don't know if it could be done with just 2rx's never mind the amount this little fella added. But is it feasible? Say 2 rx's, channel 2 on the first would operate say the rudder, but channel 2 on the other rx would operate something else.