Backpack Folding Quadcopter Overview - Part 2

This is part 2 of a folding quadcopter build you can see part 1 of just the frame overview here:
and Part 3 here: Camera Tray Issue and Flight Video
In this video, the frame has been outfitted with the electronics.
If you are just starting out and want to know how to build up a quadcopter from scratch check out some of my other videos:
This is a video just showing my latest creation.
The specs:
Motors: Sunnysky-V2216-11-900KV
ESC: Hobbyking 20amp ESC flashed with simonk
Flight Controller: DJI Naza M-V2
Battery: 4s 5000mah Turnigy Li-po 20C
AUW with 5000mah, FPV, GoPro: 1950g
Copter Frame weight: 1240g
Flitetest Article with Pics
Here is where I found the printable plans:
Here is where I got the idea for the battery and camera tray.
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