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The term originally referred to the generation of machine guns which came to prominence in the lead up to and during World War I.These fired standard full-power rifle cartridges such as the 7.92×57mm Mauser, 7.7×56mmR (.303 British) or 7.62×54mmR, but featured heavy construction, elaborate mountings and water-cooling mechanisms that enabled long-range sustained automatic fire with excellent ...
The Maxim machine gun used the recoil power of the previously fired bullet to reload rather than being hand-powered, enabling a much higher rate of fire than was possible using earlier designs such as the Nordenfelt and Gatling weapons. Maxim also introduced the use of water cooling, via a water jacket around the barrel, to reduce overheating.
The smallest-caliber gun also had a Broadwell drum feed in place of the curved box of the other guns. The drum, named after L. W. Broadwell , an agent for Gatling's company, comprised twenty stacks of rounds arranged around a central axis, like the spokes of a wheel, each holding twenty cartridges with the bullet noses oriented toward the ...
The Commonwealth use of the M2 Browning .50 caliber machine gun (known as the .5 Browning in British and Commonwealth service) began in World War II, though from 1942 it was standard armament on US-built AFVs provided under lend-lease such as the M4 Sherman, M7 Priest, M8 Greyhound, or M10 tank destroyer variously used by British, Canadian ...
Some militaries have considered the adoption of a 'universal service cartridge' – a replacement of small caliber, high-velocity intermediate cartridges and full-power cartridges with a cartridge at the larger end of the intermediate cartridge spectrum, well suited for both assault rifle and general-purpose machine gun use in the 6mm to 7mm ...
Chinese scientists have discovered a "brand-new method" of producing large quantities of water using lunar soil brought back from a 2020 expedition, state broadcaster CCTV reported on Thursday. In ...
Japan did not acquire cannon until 1510 when a monk brought one back from China, and did not produce any in appreciable numbers. [40] During the 1593 siege of Pyongyang, 40,000 Ming troops deployed a variety of cannons against Japanese troops. Despite their defensive advantage and the use of arquebus by Japanese soldiers, the Japanese were at a ...
About 13 million people are under flood watches across California, where heavy rain is expected to produce flooding, mudslides and debris flows through Wednesday. Fox Weather 2 days ago