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 .

This article deals with the land and ship-based anti-aircraft variants of the Oerlikon 20-millimeter weapon. For the design's aircraft autocannon applications, please see 20 mm MG-FF Oerlikon, Type 99 Mark 1, and Type 99 Mark 2.

2019年3月18日 · Developed in the final days of World War I, Germany sold the rights to a 20 mm caliber cannon to a Swiss firm that eventually became the Oerlikon 20 mm. The weapon proved popular, and before the start of World War II, numerous countries obtained the …

This article deals with the German aircraft autocannon variant of the Oerlikon 20-millimeter design. For the design's land and ship-based anti-aircraft applications, please see 20 mm Oerlikon anti-aircraft. For the Japanese variants of the Oerlikon weapon, please see Type 99 Mark 1 and Type 99 Mark 2.

The Oerlikon 20 mm cannon is a series of autocannons, based on an original design by Reinhold Becker of Germany, very early in World War I, and widely produced by Oerlikon Contraves and others. Various models of Oerlikon cannon were used by …

The 20mm Oerlikon was a free swinging weapon, operated by maximum gas pressure, about 23 tons per square inch and by springs which were correspondingly powerful. Factors such as friction, the effects of different elevations, cold weather, rain were too small in proportion to the operating forces to cause stoppage.

2019年3月7日 · The birth of the storied Swiss Oerlikon 20mm automatic anti-aircraft cannon was actually in Imperial Germany when it was debuted for service in World War 1. The weapon was from a design by Reinhold Becker in 1914 and came to be known in its original form as the "20mm Becker", an automatic firing weapon chambered for the 20x70mmRB projectile and ...

2013年4月17日 · A third of Japanese aircraft shot down during WWII met their demise courtesy of the German designed, Swiss perfected, American built 20mm Oerlikon cannon.

2011年3月30日 · The Oerlikon 20mm anti-aircraft cannon was widely used by naval and air forces during World War II, by countries on both sides. It is a fairly well-recognized weapons, with a characteristic offset 60-round drum magazine.

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 .