The A-10 was designed around the GAU-8 Avenger which is a 30 mm hydraulically driven seven barrel Gatling type rotary cannon.
The rounds are 30 x 173mm.
See related link for more information.
65 rounds a second and as many as 500 rounds in a burst - there is no "per minute"
There is the "regular" warthog with a .50 calliber machine gun mounted on the back and the Gauss Warthog that fires explosive rounds from a turret on the back.
DO NOT ATTEMPT TO DO THS!!!!!!!!!!!
No, you can only use .38 caliber rounds.
No, you cannot.
No, you cannot.
7.62x39mm
12-20 rounds depending on caliber and magazine.
6, IIRC
No way to answer without knowing the caliber.
Magazine capacity for the Model 1903 (.32 Smokeless Rimless) is 8 rounds.
First introduced as using 7.65x22mm Parabellum rounds, later redesigned to fire 9x19mm Parabellum rounds.