Early machine guns such as Maxim and Vickers were water cooled and had distinctive jackets around their barrels, except models intended for installation on airplanes.
Most later machine guns are air cooled to make them lighter and more portable.
Both air cooled and water cooled machine guns have been made.
By the development and manufacture of lighter, air cooled machine guns.
They were very heavy and cumbersome, making them difficult to transport. Additionally, they were water cooled, meaning a supply of water for the machine guns had to be kept on hand.
No. Machine guns will beat Gatling guns.
Machine guns.
Yes, machine guns are better than Gatling guns because they fire more bullets faster than Gatling guns. Gatling guns need to have bullets and have to be hand cranked at the same time but machine guns does not need to be hand cranked. Machine guns only need bullets.
Yes, machine guns were used in WW2.
Yes. There were machine guns in WW1. There were Gatlin Guns, a type of machine gun, in the Civil War.Yes
Machine guns didn't cause wars.
Some machine guns are and some are not. The answer would be yes and no.
One or more mounted machine guns is a "nest."
Yes, machine guns are much faster than Gatling guns. Gatling guns must be hand cranked and fed bullets at the same but machine guns does not have to be hand cranked. All they needs are bullets. Machine guns also fire more bullets faster than Gatling guns.