LDM #375: Boeing 727 EPR Indicator – Part 1: Teardown and Reverse engineering

Click below to download the full schematic diagram: B727-EPR-A

LDM #374: Humphrey directional gyro – teardown, test and reverse engineering

Video on Youtube: https://youtu.be/xzcyMOsk-X4 Schematic diagram:...

LDM #370: Boeing 757 Standby Engine Indicator

    B757_Engine_Indicator