S500 Quadcopter Build upgrading Esc speed control
I have had my SK450 frame for a while now and it has served me well, recently as a test frame. But it is time for it to retire and be replaced with a stiffer, lighter frame. This is a quick overview of the build and an example of how much flex there is in the SK450 frame.
![[Manual Flips] manually flip and double flip, speed flying xinxun x50 sky alien Quadcopter Speed Flight](https://quadcoptersource.tesb1.com/wp-content/uploads/2016/04/Manual-Flips-manually-flip-and-double-flip-speed-flying-xinxun-x50-sky-alien-Quadcopter-Speed-Flight.jpg "[Manual Flips] manually flip and double flip, speed flying xinxun x50 sky alien Quadcopter Speed Flight")
