30 HiVAP (High Velocity All Purpose) Function Test, circa 1967. It was intended for high rate of fire (30,000 rpm) gun system for aircraft.
Both specimens shown below at 150% scale.
30 HiVAP (High Velocity All Purpose) Function Test, circa 1967. It was intended for high rate of fire (30,000 rpm) gun system for aircraft.
Both specimens shown below at 150% scale.
