SJ4000 f450 fpv 2-axis brushless gimbal

https://www.youtube.com/watch?v=vTYfha5Ect8

I take some ideas from Open Brushless Gimbal by turbi, but designed from scratch in sketchup.

Gimbal is well balanced and allows use of USB on [SJ4000](https://goo.gl/vVd6Jo) for FPV (and you have access to all camera buttons).

Motors and controller i took from this cheap gimbal (aluminum frame strongly bent in a crash)
[FPV-2-Axis-Brushless-Gimbal-With-Controller-For-DJI-Phantom-GoPro-3](https://goo.gl/oelD7X)


You can use any [2208 brus