Took the Enforcer up for the first time, and its just like you guys said, it is a ***** cat. Mine has an OS 61 on it but is to slow for me. It had a 11x6 APC but I installed a 11x7 and that helped get it moving better. I want to install a larger engine and want to hear what you guys think I should get. I was thinking of the Jett 90 as other engines I have from him are great. The engine is a little bit of extra money and was wondering if you think I should just get a Tiger / OS / Magnum / Rossi ? One thing this plane needs is a set of retracks, can not stand the long landing gear hanging down. I turned the rates up after two flights and like the way this plane moves. But how the heck do you do a knife edge???