If you read the instruction manuel, you will notice that the instructions mentions not to use any right thrust. I flew mine with a Super Tigre 51 with a 12x4 APC prop. It was a great flying airplane, but I would not consider this a 3D plane. I thought it was more of a Fun Fly type plane. It was short on knife edge so I added about 3/4 inches to the rudder and used a Hi Tech 605MG servo. I really liked this plane.

Good luck with yours.

Flashingred