Rocket Firing Distribution Controller Mk 3, US, Navy F4U Hunter compass card

compass card

would house a pyrotechnic signal and firing pin assembly to detonate upon impact to mark its landing relative to the target

This is a Slaved Gyro Magnetic Compass and Course Indicator Type V-4 made by Sperry spec # 21204

Measures 2 inches diameter by ~2

Rocket Firing Distribution Controller Mk 3, US, Navy F4U Hunter compass cardHere is a Rocket Station Distribution Box which appeared in WW2 era F4U Corsairs of the US Navy, and possibly others. It is labeled for the US Navy. The panel was installed in the F4U cockpit on the upper right side. See a photo of the panel from the F4U Flight Manual. Once switched On, the controller determines how the rockets are fired when the pilot depresses the rocket firing switch located on an adjacent panel. So, when the firing switch is