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British 3"/45 Dual-Purpose Gun


Photograph of 3"/45 dual-purpose gun

Wikipedia Commons


Specifications:


Bore
3"
76.2mm
Ammunition Type
Contact or time fused HE fixed shell.
Shrapnel and star shells were also avaiilable.

Weight of round

17.5 lbs
7.94 kg

Velocity

2024 feet per second
617 meters per second

Maximum elevation     

90 degrees

Range

12,920 yards
11,810 meters
Altitude 25,500 feet
7770 meters

Firing cycle

4.6 seconds

This obsolete gun (introduced in 1914) was widely employed on lesser warships, basically because it was available. Some of those mounted on submarines had a maximum elevation of only 40 degrees, making them useless as antiaircraft guns.


References

Campbell (1985)



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