Airforce 7 replied ...
I "split" the control surfaces because it was easier to setup my Tx (JR 9303) this way for one.
Ah yes, simplicity.

I've only got 9 ch to play with myself but I opted to use SmartFly [link=http://www.smart-fly.com/Products/EqualizerII/equalizer.htm]Equalizer II's[/link], one for each wing to make my digital servos happy. (I sent you a separate email asking about your smoke so as not to hijack this thread.)
Mike