Sbaugs, are you going to put smaller, like hitec 81 in the tail or full size servos? I would have to question the CG point, Its going to take a lot of nose weight to balance and the plane is already on the verge of being too heavy, it's going to take some creative work to balance it out. Maybe putting the battery pack in with the fuel tank will help. Obviosly by the post being written this seems to be a common trait with this airplane and everyone says the plane rolls to the right. I've tried 3 different props and took the right thrust out. If it was a pushrod problem why won't it roll out when doing outside loops. I can push as far down as I can doing tight outside multiple loops and it tracks straight, while with larger radius inside loops the plane will roll out to the right. I don't buy the differenial elevator theory. If it was it would dit it inside and outside.