Yup, David, I'm hemming and hawing on the servo thing. The torque on the HS-55 and SJ 285 is the same but I have one of each and the JR holds position a LOT better than the Hitec when you try to turn it. That might be part of the difference. There's a lot more travel before the Hitec fights back, so the JR is definitely a tighter servo.
I figured out the pushrods aren't the problem. They are not flexing - they're mounted well at several points in the fuselage. Also, the ailerons are only 3" pushrods and they felt soft too. It's just something I have to figure out, but I think I might be on it with the sloppy hold on the Hitec. I have some MC35's on order now. You're right about MN48 being for bigger models, that's what I have in my Pulse 25.
By the time I'm done I'm going to end up with some extra servos. Have to build a couple foamies to get rid of them
Andy