Le labo de Michel | LDM #343: Columbia Servo Accelerometer @lelabodemichel5162 | Uploaded 1 year ago | Updated 3 hours ago
00:00 - Intro
00:35 - Teardown
01:45 - How it works
01:52 - Reverse engineering
03:31 - Repairing the coil
04:03 - Open loop test
04:53 - Closed loop test

Links:

LDM #169: Aircraft Servo Potentiometer Type 6A/4725 Teardown and Tests
youtu.be/_i8dZ0o0ZIs