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Major Types
Ship Class
Ship
Aircraft Model
Unit
Gun Model
Turret Model
Torpedo Model
Rocket Launcher Model
Sensor
Anti Submarine Mounting
Date Time
Country
Activity
Person
Posting
Enterprise
Ship Production Batch
Treaty
Tension
Decoration
Place
Document
ref:Flix000001 2008 47 023
Related TypesTurret Models Mount
Related PagesStandard View | Similar Sized
Gun Model
Bofors 40mm 56cal Mark 1 And 2
Gun Feature
Fixed Ammunition | Fully Automatic
Gun Model Type
Light Automatic
Documents
1)  Covered By Document
2) 1:
3) 2: Page Number
Naval Weapons Of World War Two
N71
Gun Models
Developed By
Design
Designed By
In Service
Barrels Used
Sweden1941 Jan 01Bofors1942 Jan 0111 296
Gun Models
Bore
Bore
Calibre
Barrel Length
Barrel Weight
Working Pressure
Barrel Life EFC
1.57in0.04m562.24m0ton331.082MPa10 000
Gun Models
Shell Mass
Muzzle Velocity
Rate Of Fire Per Minute
Kg/s
Max Range
Max Height
900g881m/s1201.810 180m6 797m
Gun Models
Usual Rounds Per Gun
Max Firing Time Minute
2 00016.666
Gun Models
Barrel Recoil Velocity
Barrel To Shell Weight Ratio
Average Shell Acceleration
Recoil
Average Barrel Acceleration
Max Pressure Shell Acceleration
Kinetic Energy Joule
7.7m/s114.406173.25km/s20.21m141.19m/s2462.278km/s2349.272k
Turret Models
1)  Mounted In Turret Model
2) 1: Depicted In Image
3) 1:Gun Armament
4) 3: As Built Of Ship Class
5) 4: Primary Image
6) 4: First Laid Down YMD
US 40mm 56cal Mark 2 And 4 Quad
Turret Model: US 40mm 56cal Mark 2 And 4 Quad Turret Model: US 40mm 56cal Mark 2 And 4 Quad Turret Model: US 40mm 56cal Mark 2 And 4 Quad Turret Model: US 40mm 56cal Mark 2 And 4 Quad Turret Model: US 40mm 56cal Mark 2 And 4 Quad US 40mm 56cal Mark 2 And 4 Quad USS English
USS Alaska Gun 14 X US 40mm 56cal Mark 2 And 4 Quad
USS AlaskaUnit: US, Alaska, 1944 07 30,, Philadelphia, Pensylvania 1941 Dec 17
USS Allen M Sumner Gun 2 X US 40mm 56cal Mark 2 And 4 Quad
USS Allen M SumnerShip Class: US, Allen M Sumner, 1944 07 01,, Boston 1943 Jul 07
USS Allen M Sumner Minelayer Gun 2 X US 40mm 56cal Mark 2 And 4 Quad
USS Allen M Sumner MinelayerUSS Robert H Smith 1943 Jul 07
USS Baltimore Gun 4 X US 40mm 56cal Mark 2 And 4 Quad
USS BaltimoreUnit: US, St Paul, 1945 03 15,, Massachusetts 1941 May 26
USS Des Moines Gun 14 X US 40mm 56cal Mark 2 And 4 Quad
USS Des MoinesUSS Salem 1956 03 25 Guantanamo Bay, Cuba 1945 May 28
USS Gearing Gun 2 X US 40mm 56cal Mark 2 And 4 Quad
USS GearingUSS Ernest G Small 1950 11 01 1944 Aug 10
USS Haskell Gun 1 X US 40mm 56cal Mark 2 And 4 Quad
USS HaskellUSS Braxton 1944 Jan 01
USS Iowa Gun 20 X US 40mm 56cal Mark 2 And 4 Quad
USS IowaUnit: US, Iowa, 1952 10 01, Arriving, Pearl Harbour, Hawaii 1940 Jun 27
USS Landing Ship Dock Type 1 Ashland Gun 2 X US 40mm 56cal Mark 2 And 4 Quad
USS Landing Ship Dock Type 1 Ashland
USS Gunston Hall 1942 Jan 01
USS Midway Gun 21 X US 40mm 56cal Mark 2 And 4 Quad
USS MidwayShip Class: US, Midway+ Unit: US, Midway 1943 Oct 27
USS North Carolina Gun 15 X US 40mm 56cal Mark 2 And 4 Quad
USS North CarolinaUnit: US, North Carolina 1946 06 03 1937 Oct 27
USS Saipan Gun 5 X US 40mm 56cal Mark 2 And 4 Quad
USS SaipanShip Class: US, Saipan+ Unit: US, Saipan 1944 Jul 10
BR 40mm 56cal QF Hazemeyer Mark IV
Turret Model: BR 40mm 56cal QF Hazemeyer Mark IV Turret Model: BR 40mm 56cal QF Hazemeyer Mark IV Turret Model: BR 40mm 56cal QF Hazemeyer Mark IV
HMS Battle 1942 Gun 4 X BR 40mm 56cal QF Hazemeyer Mark IV
HMS Battle 1942Unit: BR, Camperdown 1942 Oct 03
HMS Battle 1943 Gun 3 X BR 40mm 56cal QF Hazemeyer Mark IV
HMS Battle 1943Unit: BR, Agincourt 1943 Sep 16
HMS Ca Class Gun 1 X BR 40mm 56cal QF Hazemeyer Mark IV
HMS Ca ClassUnit: BR, Cambrian 1942 Aug 14