I have a Wild Hare RC Ultimate Bipe with a DA 50. It has a Slimline muffler, Hitec 5985's with SWB arms on elevators, 7955 with SWB arm on rudder, 645s on the ailerons and a Futaba digital on throttle. Plane flies great - lots of power. I just don't get to fly it very much. RTF less Rx - can throw in a RX for a few extra bucks. It cost over $2000 to build.