I changed my Hex6 to Y6 for compact size and ease of transport

Payload without Gopro is about 2kg. And hover current is 17A.

And video:

After getting the board from 3D Robotics, motor from RCtigermotor, ESCs from HK... some stuff from Flytron as well.. I started to build:

1. Materials

Frames: DIY CNC Fiber Carbon + Alu 10x15mm x 340mm long

assembled motor to the arms:

with ESCs:

with landing, the FC one is too weak and I could not use it. I used landing of Heli500

with ArduCopter control

The other view:

foldable: