Several thereads here in this furum have addressed questions regarding this plane. Most active is
http://www.rcuniverse.com/showthread...20&forumid=230
Search the forum for additonal information of help and interest.
It is doubtful you will need a custom mix. I have the following in mine:
Dual elevator (to split / reveerse the servos)
Landing mode set up bringing the flaps up as spoilerons and a little up elevator to keep it from diving.
Elevator to flap on the same 3 postion switch (makes for a really nice "wall")
Rudder > Aileron > Elevator (to smooth out knife edge)
Using channels 1,2,3,4,6 & 7 (JR 10 channel radio > yours may be different)
EXCAP2322