I have a Midwest Super Stinker that is RTF. The engine, I'm pretty sure, is a US41 with manual choke. It only has 5 min of run time to test the engine and it ran great. The servos are all Hitec digitals. The airframe is in excellent shape but there is few minor flaws in the covering, I would say 8/10. After battery, fuel, and a good pre-flight it should be ready to fly. If you have any questions or would like additional pictures please let me know.