Walkera 52# conversion.
Main rotor diameter 37mm, feigao 12x30 4100kv with 9T pinon.
GWS EDP-20 DD motor.
Handmade structure.
11.1V 800mAh Li-po.
Total weight 273g.
Flying time about 8 min because this battery only afford 500mAh or maybe my brushless motor is too old.
Here is flying video
Link
http://www.youtube.com/watch?v=USlSv7cY_8E

