Gatling gun rates of fire depend on caliber, number of barrels and whether electric or hand powered.
12-20 rounds depending on caliber and magazine.
The M134 Minigun can fire anywhere from 2,000 to 6,000 rounds per minute. It is a six-barreled machine gun which uses the Gatling-gun style of shooting.
450 - 650
About 600 rounds per minute on full auto.
720 rounds a minute approximately
The number of rounds a magazine holds is a function of the magazine, not a function of the gun. Many 1911 magazines hold 8 rounds, a few Sig magazines hold 8 rounds, and there are others.
Its simply (in the case of guns) how many bullets the gun can fire in 60 seconds.
A Thompson Tommy gun will keep firing until u left off the trigger. They are very reliable.
Your machine guns in use in 2010 were still developed between the 1950s and 1980s, generally. A gas operated machine gun might fire anywhere from 500 - 1200 rounds per minute, depending on type. Weapons such as the M-134 Minigun can fire between 3000 - 6000 rounds per minute.
No such thing as a blank gun. You can put blanks in a gun though.
That depends on how quickly the firer is able to shoot and reload.