Naval Weapons of World War One by Norman Friedman

Author:Norman Friedman [Friedman, Norman]
Language: eng
Format: azw3, epub, pdf
ISBN: 9781473807006
Publisher: Naval Institute Press
Published: 2011-12-12T05:00:00+00:00

CALIBRE 4in/50

WEIGHT WITH

BREECH 6860lbs

LENGTH OVERALL 211.0in

CALIBRES 52.75

BORE LENGTH 50 calibres

LENGTH OF RIFLING 164.825in

CALIBRES 41.2

CHAMBER VOLUME 644in3

MAXIMUM PRESSURE 17 tons/in2

RIFLING: TWIST 0 to 1/31.17

SHELL 33lbs

CHARGE 14lbs

MUZZLE VELOCITY 2900ft/sec

This was a prototype 4in/50 anti-aircraft gun. Initial drawings were dated January and February 1914. The gun was ordered in 1915 but probably not completed until after the war. The gun card for this weapon is numbered 365-A, but it is clearly out of sequence. This was a built-up gun consisting of a tube, jacket, chase hoop and locking ring, all of nickel steel. It differed from all other 4in guns in having a vertically sliding breech block; it was intended to fire fixed ammunition (AA and shrapnel).

3in Guns

3in Mk II Mod 0

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