Frame anti obsolescence for Blade Nano QX 3D
the frame is made for the more powerful engine than 8 mm).
Simply solder the motor son on the feet pad arms
The flight controller esc holds integrate with 8 mm motor in normal flight mode for 3 minutes very intense
Technical
Engine:
http://www.hobbyking.com/hobbyking/store/__86504__Mini_Quad_Brushed_Motor_8x20mm_4_Pack_.html
Very very strong propeller:
http://www.banggood.com/JJRC-1000A-RC-Quadcopter-Part-Propellers-1000A06-p-928073.html