3D Robotics 3DR DIY Quad - Manual (Page 6)

6
2 Thread motor cables through arm
Thread the motor cables through the
hole in the side of the arm.
3 Attach bottom plate to arm
Place a motor plate against the
bottom of the arm with the short end
of the plate facing towards the end
of the arm. Apply threadlocker to the
ends of three 25 mm bolts (less than
one drop covering four or five threads
at the end of the bolt). Place a 19 mm
hollow spacer between each of the
pairs of holes in the two motor plates.
Place the bolt through the motor
plates and spacer, and secure from
below with a metal nut.
Repeat these instructions for all
motors.