View short demonstration of internal sound here: https://youtu.be/38KimwuyooE ; Alternate internal and close external sounds for the GAU-8/A Avenger 30mm cannon, represented in its modern, fixed 3,900 RPM configuration; Cockpit/internal sounds made from scratch. Also added a subtle rattle that can be heard in the cannon's "In" sound files, emulating the sound of things being shaken around in the cockpit.
