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British 47mm/40 Hotchkiss QF Mark 1 Gun


Photograph of 3-pdr gun

Australian War Memorial. Via Wikimedia Commons


Specifications:


Bore
1.850"
47mm
Ammunition Type
HE fixed ammunition

Weight of round

3.30 lbs
1.497 kg

Velocity

1884 feet per second
574 meters per second

Maximum elevation     

50 degrees

Range

6500 yards
5944 meters

The 3pdr Hotchkiss gun was a very old design originally developed in 1886 to deal with torpedo boats wherever 6pdr mountings were too heavy. The original mounts could elevate to only 25 degrees and the published range tables were good to only 6500 yards, although most mounts were converted to give a maximum elevation of 50 degrees. The only ships in the Pacific larger than yard craft that carried this weapon were the Grimsby-class sloops.


References

Campbell (1985)



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