Excllent. I purchased the micro heli lower head out of desperation and had a few great flights so far...My next move if the cf tail and skids w/ a new canopy..all this beating has taken quite a toll on the plastics. Shes pretty stable now. Im going to keep the stock swashplate till i break it then ill get the aluminum. I have to admit, I like the 4in1 better than the 3in1 receiver combo. Maybe there was something wrong with the electronics but my heli seems to fly completely different. The tail twitches a little bit when in the air but im not complaining.