Aileron - 18mm
ruddervators - elev 21mm/rudd-16mm
flaps- 15 / 40 ldg
normal flaps up flight tbe elevator is 5mm BELOW the trailing edge of fixed part of ruddervator.(if you want to land have full speedbrakes mixed with full flaps)
with flaps 40 the elevator is flush with the fixed ruddervator part
cg- 160 forward of the fuse joint line
rc scale builder has a thread (Fouga Magister Philip Avonds Scale jets) on this build which is ABSOLUTELY NECESSARY to finish your build.
Hope this helps
Tp