QuadroCopter - 250 size

This is a 250 size quadcopter. The flying controller is a Crius MWC board, which can use 8 motor. I use MultiWII v2.3 firmware. The flying weight is ~580g. The battery is a two cell LiPo 2200mAh, the flying time ~7 min. The body has enough space for FPV system.

Electrical parts:
Flying controller : http://www.dx.com/p/crius-mwc-multiwii-se-v2-5-version-multi-copter-4-axis-main-flight-control-board-blue-227394#.V8poyvmLTIU
Motors : http://www.dx.com/p/4-x2804-2280kv-cw-ccw-brushless-motor-4-