Ordnance QF 3-inch howitzer

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Ordnance QF 3-inch howitzer
"3in Howitzer Ordnance Quick Firing"
Churchill tank with 3 inch howitzer clip from IWM H 16962.jpg
Mk I Churchill tank with hull-mounted 3-inch howitzer on exercises on Salisbury Plain, January 1942
TypeHowitzer
Place of originUK
Service history
Used byBritish tanks
WarsSecond World War
Production history
VariantsMark I, Mark IA
Specifications
Mass226 lb (103 kg)
Length78.2 in (1.99 m)
Barrel  length75 in (1.9 m)

Calibre 3 inches (76.2mm)
Muzzle velocity 600 feet per second (180 m/s)
Effective firing range2,000 yards (1,800 m)

Ordnance QF 3 inch howitzer was a howitzer fitted to British cruiser and infantry type tanks of the Second World War so they could fire a smoke shell in "close support" of other tanks or infantry. HE shells were also available.

Contents

Earlier British tanks were fitted with a 3.7 in howitzer, based on the QF 3.7-inch mountain howitzer.

Use

The doctrine covering the CS tanks was to "smoke parts of the enemy force" and so isolate them from the battle [1] so the gun tanks could deal with the remainder with a local, if temporary, numerical advantage [2]

While on most tanks the howitzer replaced the turret armament, on the early marks of the Churchill tank, the howitzer was fitted in the front of the hull which, although it allowed the tank to retain its main gun, limited the range and arc of fire.

Usage

A few Close Support versions of the Tetrarch light tank. [6]

A field artillery version seems to have been developed or under development in 1941 [lower-alpha 1]

Later in the war a larger QF 95 mm howitzer was employed for the same purpose.

Specification

Notes

  1. Its ammunition codes are listed in Field Service Pocket Book, Pamphlet No. 9a, dated 29 October 1941. The ammunition is listed in both the anti-tank and field artillery sections.

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References

  1. Mobile Division Training Pamphlet No. 2, Notes on the Employment of the Tank Brigade, War Office, 1938, p. 31
  2. Mobile Division Training Pamphlet No. 2, Notes on the Employment of the Tank Brigade, War Office, 1938, p. 29
  3. Fletcher, p. 12.
  4. Chamberlain & Ellis 1981, p. 36.
  5. Chamberlain & Ellis 1981, p. 38.
  6. 1 2 3 Chamberlain & Ellis 1981, p. 204.