All Anti-Aircraft Guns in the DataBase

114mm 4.5 Inch L / 45



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All through the 1920's and early 1930's, the British Army was asking for a heavy AA gun of 120mm calibre. However, once the treasury had found the money for the 94mm gun, there seemed to be no possible chance of obtaining another one. Fortunately, the Royal Navy suggested that the Army might like to use one of the 114mm guns, because, as they pointed out, the principal place for these guns was around naval bases and dockyards so that ammunition supply from the Navy would be no problem. The deal was completed and the 4.5 inch into Army service as a static mounted gun. As forecast, they were never seen outside naval areas or large cities, but the powerful shell and long reach were influential in defending those areas.

By: Ian Hogg


Caliber :114mm
Country :Great Britain
Roll :Heavy Anti-Aircraft Gun
Date :1938
Manufacturer :Army Ordanance Factory
Number Produced :Unknown
Crew :8
Length :5.09 meters
Weight (Deployed):14965 kilograms
Elevation :+80° / -10°
Traverse :360°
Ammunition Type :High Explosive
Ammunition Weight :24690 grams
Ammunition Feed :Single Shot Manual Reload
Muzzle Velocity :732 meters per second
Cyclic Rate of Fire :8 rounds per minute
Practical Rate of Fire :8 rounds per minute
Effective Ceiling :13411 meters

No Penetration Data!

High Explosive Data for the 114mm 4.5 Inch L / 45
4.5 Inch, QF, Shell, HE, Mk.I C ( High Explosive )
Range Velocity Shell Weight Explosive Weight Explosive Type
13411 m 732 m/s 24.7 kg 1.84 kg TNT

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