QF 3.7-in Heavy Anti-aircraft Gun

QF 3.7-in Heavy Anti-aircraft Gun - & # 357; a & # 382; anti-aircraft gun, developed as a replacement for the anti-aircraft gun 3in 20cwt, which in the 1930s & # 269; i with their performances u & # 382; not enough to fight the new bombers. In the armament of the British army from 1937 to 1959.


Manufacturer: Vickers-Armstrong


A new cannon was taken into service in 1937. This cannon was able to fire & # 357; with a charge weighing 12.72 kg (28 lb) to a height of 9754 m (32000 feet). The work was produced in a mobile and stationary variant. The mobile variant was placed on a two-axle four-wheeled carriage in the shape of a cross, which, when developed in the firing position, stabilized the cannon. As a rule, artillery & # 357; aha & # 269; AEC Matador.


During World War II, the cannon was equipped with an automatic charging device and an automatic programmer to ignite MFS No. 11 rounds. This modernization not only increased the cadence and increased the cadence. at 20 shots per minute, but at the same time & # 328; It also eliminated differences in the setting of the charge burst times created during manual adjustment. Upgrading at the same time & # 328; allowed automatic adjustment of the overrun based on the calculated data, & # 269; improved accuracy & # 357; stre & # 318; by. This variant was designated Mark 3A.


In addition to Britain, these cannons were in the arsenal of New Zealand, Canada, Germany (trophies after the defeat British Expeditionary Force with marking 9.4 cm Flak Vickers M39 (e)) .....


Basic tactical and technical data:
Caliber: 3.7 inches (94 mm)
Length: 185 inches (4.7 m)
Weight: 20541 liers (8392 kg)
Weight & # 357; Ammo: 28 lbs (12.6 kg)
Cadence: 20 rounds/min
Headspan: 792 m/s
Max. long-range range: 18800 m
Max. oblique range: 12000 m
Effective altitude range: 9000 m
Elevation: -5 ° - 80 °
Measure: 360 °
Length: 8687 mm
Width: 2438 mm
Height: 2502 mm



Version:
Mark I - basic mobile version


Mark II - stationary (and mobile) version, in addition to the UK, also produced in Canada with the Mark IIC label.


Mark III - upgraded version with automatic charger and time (manufactured since 1943)


Mark IV - prototype equipped with a head from a naval cannon QF 4.5 inch Mark V, not accepted into service


Mark V - another prototype developed in parallel with the Mark IV, not accepted into service


Mark VI- version equipped with a naval cannon 5.25 in. Due to its size, it is used only as a static anti-aircraft cannon. In production since 1944, used until 1959


"Longhand" - the latest version with a cadence and & # 382; 60 shots per minute, developed by a & # 382; after the end of the war.


Source: http://riv.co.nz/rnza/hist/local/qf37aa.htm
http://www.panzerlexikon.de/guns/bgflak.htm
www.secondeguerre.net
http://en.wikipedia.org/wiki/QF_3.75_inch_AA
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QF 3.7 in v US Army Ordnance Museum, Aberdeen (Zdroj: wikipedia)
QF 3.7-in Heavy Anti-aircraft Gun - QF 3.7 in v US Army Ordnance Museum, Aberdeen

QF 3.7 in v US Army Ordnance Museum, Aberdeen
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Citace - buko1 :


"Longhand" - the last version with a cadence of up to 60 shots per minute, developed after the end of the war.



In the publication Allied Artillery of WWII by Ian V. Hoog[/i:6fdd672424c5]mentions up to 80 shots per minute on page 103.
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Mk.II v Royal Artillery Museum, Woolwich, august 2006
QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


QF 3.7-in Heavy Anti-aircraft Gun -


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Zdroj
http://www.cyber-heritage.co.uk/cutaway/heav.jpg
QF 3.7-in Heavy Anti-aircraft Gun - QF 3.7-in Heavy Anti-aircraft Gun

QF 3.7-in Heavy Anti-aircraft Gun
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