I have one too. I am using this plane for demo flight, but the elevator is slop free.
I am running very heavy electric set up. (8lbs.)
Hacker B50 11XL w/5.2:1 gearbox, 20 cells and 20x11 prop.
Unlimited vertical.
It's interesting some people are having problems other not, as a distributor I wouls like to know the reason.
We also got some very interesting videos.
If somebody wants them, just drop me an email.

Eohlin: Did you do something with the CC rod?