Valve, Air Vacuum Regulating AN5828-2, US Navy R88-V-85X Instruments OH-6 Cayuse The GSAP camera

The GSAP camera

Measures 2in diameter and ~5

000 ft of altitude

The compass would be placed in a fixed mount on top of the instrument panel or in the navigators compartment

Valve, Air Vacuum Regulating AN5828-2, US Navy R88-V-85X Instruments OH-6 Cayuse The GSAP cameraThis is a WWII era pneumatic Valve, Air Vacuum Regulating, made by Schwien, part number 2550, as used in aircraft of the US Army Air Force and US Navy. This valve was used to regulate the vacuum pressure between its source (either an externally mounted venturi tube, or an internal engine driven compressor) and the system of pneumatically powered flight instruments, such as the Gyro Horizon, Directional Gyro, and the Turn & Bank Indicators. Accuracy of