File:QF1pounderCartridgeDiagram.jpg

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Diagram of Mk II explosive and Mk I tracer rounds for British QF 1 pounder "pom-pom" gun.
Total round length approximately 168mm, cartridge case lengh 94mm, shell + fuze length 94mm.
Shell is made of cast iron. Weight is 1 lb. Calibre = 37 mm.
Propellant charge 1 oz 3 ¼ drams Cordite Mk I, size 3 ¾.
Mk III explosive and Mk II tracer rounds were similar, except that propellant was specified as 520 grains Cordite Mk I size 2 ¼ for Mk III explosive round, and 520 grains Cordite M.D. size 4 ¼ for Mk II tracer. 520 grains = 1 oz 3 drams.
The shell had both a normal driving band near the base, and an additional narrow centering band closer to the nose.
Bursting charge 270 grains F.G. powder.


Igniter 5 grains R.F.G.2 Mk I.
Date details correct as at 1 August 1914
Source

Plate LXXX and Page 420 in "Treatise on Ammunition" 10th Edition, 1915.


Facsimile reprint by Imperial War Museum and Naval & Military Press, 2003
Author War Office, UK
Permission
(Reusing this file)		 Crown Copyright expired (50 years)


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This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

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HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
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current07:03, 20 April 2008Thumbnail for version as of 07:03, 20 April 2008553 × 1,000 (153 KB)Rcbutcher (talk | contribs){{Information |Description=Diagram of explosive and tracer rounds for British QF 1 pounder "pom-pom" gun. |Source=Plate LXXX in "Treatise on Ammunition" 10th Edition, 1915. <br>Facsimile reprint by Imperial War Museum and Naval & Military Press, 2003 |Dat

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