Dave,
for whats its worth. I would change out the 2-56 rods on the elevator to 4-40. On my brothers UCD w/ YS61. I was checking it out after a flight and the rods were bent. And even was only using 1 1/2 for high rates.

I have my high rate set at 3 1/2" w/ 4-40 and I haven't had a bend yet.