Gun Model: BR 4.5in 45cal QF Mark I And III

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Related Types	Turret Models Mount
Related Pages	Standard View \| Similar Sized
Gun Model	BR 4.5in 45cal QF Mark I And III


Gun Feature	Fixed Ammunition \| Semi Fixed Ammunition
Breech Type	Horizontal Sliding Breech
Ammunition Type	Fixed
Gun Model Type	Destroyer

Documents
Covered By Document
Naval Weapons Of World War Two	N

Gun Models
	Developed By	Design	In Service	Barrels Used
	Great Britain	1935 Jan 01	1938 Jan 01	392

Gun Models
	Bore	Bore	Calibre	Barrel Length	Barrel Weight	Working Pressure	Barrel Life EFC
	4.45in	0.113m	45	5.086m	3ton	344.877MPa	750

Gun Models
	Shell Mass	Muzzle Velocity	Rate Of Fire Per Minute	Kg/s	Max Range	Max Height
	24.95kg	716m/s	12	4.99	18 970m	12 500m

Gun Models
	Usual Rounds Per Gun	Max Firing Time Minute
	400	33.333

Gun Models
	Barrel Recoil Velocity	Barrel To Shell Weight Ratio	Average Shell Acceleration	Recoil	Average Barrel Acceleration	Max Pressure Shell Acceleration	Kinetic Energy Joule
	6.248m/s	114.595	50.395km/s2	0.457m	42.692m/s2	138.698km/s2	6.395M

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	7) 3: Rounds Per Gun
BR 4.5in 45cal QF Mark I And III Twin Mark IV		HMS Adamant Gun 4 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Adamant		1939 May 18
		HMS Ark Royal Gun 8 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Ark Royal		1935 Sep 16	400
		HMS Battle 1942 Gun 2 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Battle 1942		1942 Oct 03
		HMS Battle 1943 Gun 2 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Battle 1943		1943 Sep 16
		HMS Centaur Gun 4 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Centaur		1944 Mar 23
		HMS Eagle Gun 8 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Eagle		1942 Oct 24
		HMS Illustrious Gun 8 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Illustrious		1937 Apr 27	400
		HMS Implacable Gun 8 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Implacable		1939 Feb 21	400
		HMS Indomitable Gun 8 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Indomitable		1937 Nov 10	385
		HMS Maidstone Gun 4 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Maidstone		1937 Jan 01
		HMS Tyne Gun 4 X BR 4.5in 45cal QF Mark I And III Twin Mark IV	HMS Tyne		1938 Jan 01

Used In Activity	1940 07 03 0100 Surface Action Battle Of Mers El Kebir, Algeria 1940 11 11 0100 Air Strike Attack On Taranto Taranto 1940 11 27 0100 Surface Action Battle Of Cape Spartivento, Sardinia 1941 03 27 0100 Surface Action Battle Of Cape Matapan, Greece 1941 11 13 0000 Torpedoing HMS Ark Royal By U 81 Gibraltar 1942 11 11 0000 Torpedoing HMS Hecla By U 505

Used In Ship

HMS Illustrious

HMS Indomitable

HMS Indefatigable