Doug seeing your thread and the pictures sure brings back memories.
Here is my old Banshee from 1974 flying on a Rossi rear rotor 60 and rhom Air retracts. Great flying bird but in the end I fell in love with the Tiger Tail. The Proline radio brought back additional memories as this plane was flown using their open gimble single stick model. In fact I may still have a set of servo gears floating in the recesses of my "stuff".

If you stay with the strip ailerons I would stiffen them with carbon veil to help insure that flutter doesnot start because of torsional weakness.