I flew mine yeaterday -equipped with a .61 Evolution -on a 11x7 prop. 6.5 lbs
I put the cg quite forward -at about 20 % -and the plane is very predictable on all flight/landing characteristics
Lots of throws on all surrfaces .
It is not a 3D or pattern plane but easily does all the looping rolling stuff.
It does need to be landed, carrying power -but no tendency to do any thing funny.
The recommended cg is quite far aft for this type model.