David,
There really isn't a "correct" way to do it. It could be set up several ways, it basically amounts to personal preference. I prefer the redundancy of having split control surfaces on the wings. Also depending on how many channels you have available you could put each surface on its own channel or "Y" them. Hope I haven't confused you with too many options.

Sean,
"Guys, you can not have seperate(sp) elevons and ailerons on a delta wing aircraft. It's not possible."

I guess I missed where someone suggested that, perhaps a post was deleted. It wouldn't be hard for someone to program their radio so that the outer surfaces act as ailerons only and the inboard surfaces act as elevons. So for roll all four surfaces move, for pitch just the inboard surfaces move.

I'm not sure why someone would want to set it up this way. Sure seems possible, please explain why it would not work.

Joe