25 mm Hotchkiss anti-tank gun

The 25 mm Hotchkiss anti-tank gun was a French anti-tank gun that saw service in the first years of the Second World War.

canon de 25 mm SA mle 1934
The 25 mm SA mle 1934 antitank gun at Saumur museum
TypeAnti-tank gun
Place of originFrance
Service history
Used byFrance
Nazi Germany
United Kingdom
Kingdom of Italy
Finland
Romania[1]
WarsWinter War
World War II
Production history
Designed1934
No. built6,000
VariantsSA-L mle 1935
SA-L mle 1937
Specifications
Mass480 kg (1,058 lbs)(modèle 1934)
Barrel length1.8 m (5 ft 11 in) 72 caliber
Shell25 × 193.5 mm R, AP
Caliber25 mm (0.98 in)
CarriageSplit-trail
Elevation-5° to +21°[2]
Traverse60°
Rate of fire15–20 rounds/min
Muzzle velocity918 m/s (3,012 ft/s)
Effective firing range1 km (3,300 ft)
Maximum firing range1.8 km (1.1 mi)

Development

By the early 1920s the French Army had come to the realization that the armour-piercing capability of the 37 mm TRP infantry gun would be insufficient against modern tanks. In 1926 Hotchkiss proposed a 25 mm in-house design that was eventually accepted for service in 1934, under the designation canon de 25 mm semi-automatique modèle 1934 (generally shortened to canon de 25) . At the outbreak of World War II, it was the main anti-tank weapon of the French infantry. By May 1940, there were reported to be 6,000 in service with the French Army, although some formations were still waiting for their full allocation.[3]

French soldiers serving an Hotchkiss antitank gun, January 1940.

In action in the Battle of France in 1940, it was found that the projectile was too small to be very effective against German tanks, especially at longer ranges. It remained a useful weapon against armoured cars and other light armoured vehicles.[4]

Variants
  • 25 SA-L mle 1935: a shortened variant used in tanks and armoured cars such as the Panhard 178.
  • 25 SA-L mle 1937: a lengthened 77 caliber derivative designed by the APX with a much lighter 300 kg (660 lb) carriage.

Foreign use
Men of the British Expeditionary Force train with a Hotchkiss 25mm anti-tank gun, November 1939

In 1935 the Hotchkiss 25 mm anti-tank gun was purchased for evaluation by the US Army.[5] Turkey bought 400 examples of the gun during the interwar period.[6]

When the British Expeditionary Force landed in France in 1939 it had insufficient numbers of anti-tank weapons such as the Ordnance QF 2 pounder. They were issued 300[6] canons de 25 which became known as Anti-Tank Gun, 25 mm. Hotchkiss, Mark I on 25 mm. Carriage, Mark I in British service. The BEF was fully mechanised and attempted to tow the weapon behind their vehicles, but quickly found that it was not robust enough, because English troops had been issued with the hippomobile version of the cannon (designed to be towed by horses). The solution was to use the gun as a portee, that is, carried in the back of a truck. It was the first artillery piece to be used in this way.[7]

Examples captured by the German forces were operationally used under the designations 2,5 cm Pak 112(f) for mle 1934 guns and 2,5 cm Pak 113(f) for mle 1937 guns. Some captured guns also made it into Italian service in North Africa as alternatives to the Solothurn S-18/1000,[8] under the designation cannone da 25/72.

Finland purchased 50 French 25 mm M/37 antitank guns during the Winter War, but only 40 of them were delivered in February 1940 through Norway. The remaining ten guns were captured by the Germans when they invaded Norway in the spring of 1940. About half of the guns, which had arrived during the Winter War, saw front line service during it and three of them were lost in battle. During the Interim Peace the Germans sold 200 captured guns to Finland. 133 of them were model M/34s and 67 were model M/37s, and they were designated 25 PstK/34 and 25 PstK/37, respectively. They were withdrawn from front line use by 1943.[9]

Some were used by the Việt Minh at the beginning of the First Indochina War.[10]

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See also

Notes
  1. American Military Institute, 1996, The Journal of Military History, Volume 60, p. 720
  2. Chamberlain, Peter (1974). Anti-tank weapons. Gander, Terry. New York: Arco Pub. Co. p. 4. ISBN 0668036079. OCLC 1299755.
  3. Chapman, Guy (2013), Why France Collapsed, Bloomsbury Reader, ISBN 978-1448205134 (Appendix A)
  4. Henry, Chris (2004), British Anti-Tank Artillery, 1939-45, Osprey Publishing, Ltd, ISBN 1-84176-638-0 (p. 11)
  5. Zaloga, Delf - US Anti-tank Artillery 1941-45, p 3.
  6. Garraud, Philippe (2005), La politique française de réarmement de 1936 à 1940: une production tardive mais massive., Guerres mondiales et conflits contemporains, 4/2005 (n° 220) , p. 97-113.
  7. Bishop, Chris (1998), The Encyclopedia of Weapons of World War II, Metrobooks, ISBN 1-58663-762-2 (p. 190)
  8. "Italian Divisional Organizations tipo Africa Settentrionale (A.S.)". Archived from the original on 2012-04-02. Retrieved 2012-04-02.
  9. JAEGER PLATOON: FINNISH ARMY 1918 - 1945 WEBSITE - ANTITANK GUNS PART 1: 20 mm - 37 mm Guns
  10. Windrow, Martin (20 Sep 2018). French Foreign Légionnaire vs Viet Minh Insurgent: North Vietnam 1948–52. Combat 36. Osprey Publishing. p. 26. ISBN 9781472828910.

References
  • jaegerplatoon.net
  • Zaloga, Steven J., Brian Delf (2005). US Anti-tank Artillery 1941–45. Osprey Publishing. ISBN 1-84176-690-9.
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