What is the biggest AA gun?

What is the biggest AA gun?

12 rounds per Min. The 120 mm Gun M1 was the United States Army’s standard super-heavy anti-aircraft gun during World War II and the Korean War, complementing the smaller and more mobile M2 90 mm gun in service. Its maximum altitude was about 60,000 ft (18,000 m), which earned it the nickname stratosphere gun.

How high can an AA gun shoot?

A.A. gun with a muzzle velocity of about 1700 feet per second and a maximum ceiling of about 15,000 feet against the older types of aircraft, the latest developments compelled them to reconsider the position and to produce new and improved designs.

What guns use 40mm?

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The Bofors 40 mm gun, often referred to simply as the Bofors gun, is an anti-aircraft autocannon designed in the 1930s by the Swedish arms manufacturer AB Bofors….

Bofors 40 mm gun
Maximum firing range L/60: 7,160 m (23,490 ft) L/70: 12,500 m (41,000 ft)

What is a Bofors 40mm AA gun?

This gun was developed in the early 1930’s by the Swedish firm Bofors AB. The Anti-Aircraft guns used in WW 1 were of fairly large calibre, and it was realised that a requirement existed for a gun of a lighter calibre, to fill the gap between the heavy guns and the much lighter machine guns. This is how the Bofors 40mm AA gun came into being.

When did the USN start replacing 20mm Oerlikon guns with 40mm guns?

Late in World War II, the USN started replacing 20 mm Oerlikon guns with the Bofors 40 mm guns, as the smaller weapon was found to be ineffective against Japanese Kamikazes. However, even the Bofors was determined to be inadequate against suicide attacks by early 1945,…

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How much did the US spend on 40mm ammo in WW2?

Overall, the USA spent over $700,000,000 on 40 mm ammunition. The first USN pilot twin was completed in January 1942 and the first quad in April 1942.

When was the first Bofors AA weapon made?

With this money in hand, Bofors started to actively work on a new AA weapon. The first Bofors test-bed prototype was finished late in the summer of 1930 and this fired three rounds using the automatic loader on 17 October 1930. Design and manufacturing of the first gun followed and single shots with it were fired on 10 November 1931.