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A twin Bofors gun was about the same weight, and was a much more powerful gun. The air-cooled Oerlikon had similar effective range and rate of fire with considerably less weight. The Oerlikon could not sustain fire for as long as the water-cooled 1.1–inch, but six Oerlikons could be installed for the weight of a single 1.1–inch quad mount. [1]
A 1/2" drive pistol-grip air impact wrench. An impact wrench (also known as an impactor, impact gun, air wrench, air gun, rattle gun, torque gun, windy gun) is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it suddenly to the output shaft ...
The 1-inch Nordenfelt gun was an early quick-firing light gun intended to defend larger warships against the new small fast-moving torpedo boats in the late 1870s to the 1890s. Description [ edit ]
The US Army adopted Gatling guns in several calibers, including .42 caliber, .45-70, .50 caliber, 1 inch, and (M1893 and later) .30 Army, with conversions of M1900 weapons to .30-03 and .30-06. [ 26 ] [ 27 ] The .45-70 weapon was also mounted on some US Navy ships of the 1880s and 1890s.
RML 17.72 inch gun United Kingdom: 1870s - 1900s 457 mm (18.0 in) BL 18 inch Mk I naval gun United Kingdom: World War I 457 mm (18.0 in) 18"/47 caliber Mark A gun United States: 1920 457 mm (18.0 in) 18"/48 caliber Mark 1 gun United States: World War II 460 mm (18.1 in) 46 cm/45 Type 94 naval gun Japan: World War II 530 mm (21 in)
Mean point of impact (MPI) is the calculated center of the grouping, which is the average center of all the shots, and is not necessarily located at a hole in the target. [2] The process of mechanically readjusting the gunsight's point of aim to match the MPI is called sighting in or "zeroing" the gun.
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A mixture of designations were in use for land artillery from the First World War (such as the BL 60-pounder gun, RML 2.5 inch Mountain Gun, 4 inch gun, 4.5 inch howitzer) through to the end of World War II (5.5 inch medium gun, 25-pounder gun-howitzer, 17-pounder tank gun), but the majority of naval guns were by caliber. After the end of World ...