If you really want to try switching ail and rudder do it on a sim. No radio change is required and you can play with a high performance pattern type plane. I have thought about trying it but I agree as you get older the chance of making it work better for you is not so good. I bought one of those foam ducted fan jets for my son this summer. No rudder. tough to fly when I kept pushing the left stick to line it upand nothing happened. Even though I knew it had no rudder I kept doing it
Getting close to 50
Stu