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Bofors 283 mm M/12 naval gun

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Naval artillery

28 cm kanon M/12
Aft 283 mmgun turret on thecoastal defence ship HSwMS Gustav V
Type	Naval artillery
Place of origin	Sweden
Service history
In service	1916–1957
Production history
Designer	Bofors
Designed	1912
Manufacturer	Bofors
No. built	12
Specifications
Mass	44.1 t (43.4long tons; 48.6short tons)
Length	12,735 mm (41 ft 9 in)
Barrel length	12,295 mm (40 ft 4 in) (45caliber)

Shell	305 kg (672 lb)
Caliber	283 mm (11.1 in)
Elevation	-10°/+20° (5°/s)
Traverse	150° from either side of centreline (4°/s)
Rate of fire	3-4 rpm
Muzzle velocity	860–870 m/s (2,800–2,900 ft/s)
Maximum firing range	19,600 m (21,400 yd) (25,000m post 1930's)

TheBofors 283 mm M/12 naval gun was anaval rifle of 283 millimetres (11.1 in) and 45calibers used as themain battery of the SwedishSverige-class coastal defence ships. It was designed and built byBofors a few years before theFirst World War.

Ahlberg, Lars (1986). "Gun Data for the Swedish Sverige Class Coastal Battleships".F.P.D.S. Newsletter.XIV (3): 1.
Campbell, John (1985).Naval Weapons of World War II. Annapolis, Maryland: Naval Institute Press.ISBN 0-87021-459-4.
Harris, Daniel G. (1992). "The Svierge Class Coastal Defense Ships". In Gardiner, Robert (ed.).Warship 1992. London: Naval Institute Press. pp. 80–98.ISBN 0-85177-603-5.

Wikimedia Commons has media related toBofors 28 cm Model 1912 gun.

Swedish military equipment 1914–1945

Rifles	Automatgevär Model 1942
Submachine guns	Carl Gustaf Model 1945
Machine guns	Kulsprutegevär Browning Model 1921 Carl Gustaf Model 1942 Kulsprutegevär Carl Gustaf Model 1937 Svenska Automatvapen Model 1940

Tank andanti-tank guns	Bofors 37 mm Gun Model 1934 Bofors 57 mm anti-tank gun
Mountain guns	Bofors 75 mm Model 1928 Bofors 75 mm Model 1934
Field, medium and heavy guns	Bofors 105 mm Howitzer Model 1924 Bofors 105 mm Howitzer Model 1935 Bofors 105 mm Howitzer Model 1940 Bofors 75 mm Model 1935 Bofors 105 mm Cannon Model 1927 Bofors 105 mm Cannon Model 1931 Bofors 105 mm Cannon Model 1934 Bofors 120 mm Howitzer Model 1914 Bofors 150 mm Howitzer Model 1931
Anti-aircraft guns	Bofors 20 mm Automatic Gun Model 40 Bofors 25 mm Automatic Gun Model 1932 Bofors 40 mm/60 Model 1936 Bofors 75 mm Gun Model 1929
Coastal guns	Bofors 105 mm Gun Model 1927 Bofors 105 mm Gun Model 1934
Naval guns	Bofors 75 mm m/12 gun Bofors 15.2 cm M/12 gun Bofors 152 mm M/39 gun Bofors 283 mm M/12 gun

Light tanks	Strv m/21-29 Landsverk L-10 (Strv m/31) Landsverk L-60 Landsverk L-120
Medium tanks	Landsverk Lago (Strv m/42)
Assault guns	Stormartillerivagn m/43
Self-propelled anti-aircraft guns	Landsverk L-62
Armored cars	Pansarbil m/31 Landsverk Lynx Landsverk L-180/L-181/L-182 Landsverk L-185
Infantry fighting vehicles	Terrängbil m/42 KP
Artillery tractors	Landsverk L-131 Landsverk L-132 Landsverk L-135
Prototypes	Landsverk L-5 Landsverk L-100 Landsverk L-101

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