Hello, I have this plane but never managed to fly it well enough.

My friends and I have 15 take-offs on this bird but no landings! We're always crashing.

So, when I'm flying it, it feels too unstable/touchy. My best flight was like this: I did lots of involuntary 3d stuff (rolls and loops) but when I brought it in for landing, all of a sudden it dived and crashed. I mainly fly helicopters, this is my first plane.

Trying to find the reason, I have a few questions:
- Should I be using expo? if yes, how much would you recommend for a beginner wanting to only take-off, do a few circles and land?
- should the CG be -as the manual says- 58-62mm off the leading edge of the wings?
- how much travel should the control surfaces have? I think mine travel too much, which makes the plane touchy.


I'd apreciate some opinions from people who have the plane...
Thanks!
Chris

EDIT: Found an old video... 2 crashes + 3 nose tipovers within the single recording, the 2nd crash happened after the cam stopped. Please forgive our loud voice & bad-english-on-purpose jokes
actual flight after 3:40
http://www.youtube.com/watch?v=AYiYGqfocng