First step in making 60 servo bracket arms for the signals is to cut lots of little pieces of aluminum.

Material cut to length


1. Square cut sides to one extrusion side. Size to 0.300"

Square cut sides

In vise with jig A

2. center drill two holes

3. drill two small holes

4. center drill middle hole

5. drill 1/4" hole twice

on rotary table with small hole centered jig 1

6. shape short end

7. shape long end

on rotary table with big hole centered, jig 2

8. Cut round center post

9. cut short end to thickness

10. cut long end to thickness


video of the results of the 0-20 steps of arm 0, 1-2, 3 ... 20


photos of arm process/jigs 0, 1, 2, 3, 4-10, 11-16, 17-19, 20