Oerlikon 20 mm cannon - Wikipedia
The Oerlikon 20 mm cannon is a series of autocannons based on an original German Becker Type M2 20 mm cannon design that appeared very early in World War I. It was widely produced by Oerlikon Contraves and others, with various models employed by both Allied and Axis forces during World War II .
2 cm Flak 30, Flak 38 and Flakvierling 38 - Wikipedia
The Flak 30 (Flugzeugabwehrkanone 30) and improved Flak 38 were 20 mm anti-aircraft guns used by various German forces throughout World War II. It was not only the primary German light anti-aircraft gun but by far the most numerously produced German …
20 mm caliber - Wikipedia
20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons" (e.g. machine gun vs. autocannon), is conventionally taken to be the 20 mm round, the smallest caliber of …
The Oerlikon 20 mm: The Right Tool for the Job - The Sextant
Mar 18, 2019 · Adopted by the U.S. Navy in November 1940, the Oerlikon 20 mm was operated by a crew of four: the gunner, loader, spotter, and gun captain. It provided effective short-range defense against aircraft that the .50-caliber Browning or the quad 1.1-inch could not.
USA 20 mm/70 (0.79") Oerlikon Marks 1, 2, 3 and 4 - NavWeaps
Widely used by many nations, this 20 mm automatic weapon originally designed by the Swiss firm of Oerlikon was probably produced in higher numbers than any other AA weapon of World War II.
20 mm Oerlikon Anti-Aircraft Gun | World War II Database
These 20-millimeter autocannons were single-barreled weapons operated by blowback. Ammunition was fed through the top, and empty cartridges were ejected from below. The triggers were located on the right handle. The aiming mechanisms were often the simple ring-and-bead sights. They fired explosive rounds that detonated on contact.
20mm AA Guns – www.captainstevens.com
20 mm (2 cm) AA guns were used on ships, on barges, anti-aircraft tanks, single towed guns, quadruple towed guns, and on a portee (a truck to carry them but dismountable) and near the end of WWII on US built LVT(4) Alligators.
20mm Antiaircraft Gun - The Public's Library and Digital Archive
In 1942 there was a requirement for a portable platform for the use of 20mm AA guns and mounts Mark 10 in landing operations, and the United Shoe Machinery Company of Beverly, Massachusetts, was commissioned to perfect a design.
The Pacific War Online Encyclopedia: 20mm Oerlikon Light AA Gun
The Oerlikon was chosen by the Navy over the competing Hispano 20mm preferred by the Army for a number of reasons. Although the Oerlikon had a significantly slower rate of fire than the Hispano, it was a much more robust weapon, requiring less skilled maintenance.
List of anti-aircraft guns - Wikipedia
Anti-aircraft guns are weapons designed to attack aircraft. Such weapons commonly have a high rate of fire and are able to fire shells designed to damage aircraft. They also are capable of firing at high angles, but are also usually able to hit ground targets as well in a direct fire role. 7.5 cm Flak. L/60. ^ Zaloga 1984, pp 99, 199.
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