Canon de 164 mm Modèle 1893

Canon de 164 mm Modèle 1893
Canon de 164 mm Modèle 1893
	The single gun Canon de 164 mm Modèle 1893 turret is below and to the left of the main armament on the Suffren
Type	Naval gun; Coastal gun; Railroad gun
Place of origin	France
Service history
In service	1893—1945
Used by	France; Nazi Germany
Wars	First World War
Specifications
Mass	7.04 t (6.93 long tons; 7.76 short tons)
Barrel length	about 7.412 m (24.32 ft)
Shell	Separate-loading, bagged charge
Shell weight	50.5–52 kg (111–115 lb)
Caliber	164.7 mm (6.48 in)
Breech	Welin breech block
Recoil	Hydro-pneumatic
Elevation	about -10° to +25°
Traverse	depended on mount
Rate of fire	2-3 rpm
Muzzle velocity	770–775 m/s (2,530–2,540 ft/s)
Effective firing range	9,000 m (9,800 yd) at 25°
Maximum firing range	18,000 m (20,000 yd) at 36°

The Canon de 164 mm Modèle 1893 was a medium-caliber naval gun used as the secondary armament of a number of French pre-dreadnoughts and armoured cruisers during World War I. It was used as railway artillery in both World Wars and as coastal artillery in World War II.

Railroad model, 1916.

The gun was used on land during WW I (December 1916)

Description

The 45 caliber Canon de 164 mm Modèle 1893 gun was a typical built-up French heavy gun of its period. It used a Welin interrupted-screw breech and bagged propellant with a de Bange obturator to get a good gas seal during firing. It was replaced by the Mle 1893/96 gun which used a plastic seal for the obturator, differed in the construction of the gun, had a slightly longer barrel of 46.6 calibers and the newer gun was able to fire a new HE shell further than that used by the older gun.[1][2]

Naval mounts

The Mle 1893 and 1893/96 guns were mounted in casemated pivot mounts with the ability to depress to -10° and elevate to +25°. The guns fired 52 kg (115 lb) shells at a muzzle velocity of 865 m/s (2,840 ft/s) to a maximum range of 9,000 m (9,800 yd).[3] The guns were also installed in single and twin-gun turrets, although data for the turrets is unavailable.[4]

Naval service

The Mle 1893 was mounted on armored cruisers and pre-dreadnought battleships including:

Dupleix-class - The primary armament of this class of three armored cruisers consisted of two, Mle 1893 guns, in double turrets, fore and aft.
Gloire-class - The secondary armament of this class of five armored cruisers consisted of four, Mle 1893 guns, in single casemates, fore and aft. There were also four guns in single turrets in the center of the ship.
Gueydon-class - The secondary armament of this class of three armored cruisers consisted of eight, Mle 1893 guns, in single casemates, along the ships centerline.
Léon Gambetta-class - The secondary armament of this class of three armored cruisers consisted of four, Mle 1893 guns, in single casemates, fore and aft. There were also twelve guns in six double turrets in the center of the ship.
République-class - The secondary armament of this class of two pre-dreadnought battleships consisted of eight, Mle 1893 guns, in single casemates, along each side There were also twelve guns in six double turrets in the center of the ship.

Railroad gun

The French placed a number of spare Mle 1893 guns on four-axle railroad carriages in 1915 to use as mobile heavy artillery under the designation Canon de 164 modèle 1893/96 TAZ. The mount with its gun weighed 60 t (59 long tons; 66 short tons) and was 14.7 m (48 ft) long. It could traverse a full 360° if its outriggers, two per side, were deployed. Photographic evidence shows that some mounts had built-up cargo compartments at both ends of the mount, which limited the gun's firing arc to approximately 90° on each side. It had a circular platform for the crew that had to be folded up for travel. Some guns were fitted with gun shields. It shared its railroad carriage with the 164 mm Mle 1893/96 M and the Canon de 19 modèle 1870/93 TAZ.[2]

The gun could elevate to a maximum of 36°, but the minimum firing angle was 10°. It could fire a 50.5 kg (111 lb) high-explosive shell at a velocity of 775 m/s (2,540 ft/s) to a range of 18,000 m (20,000 yd) or a 52.6 kg (116 lb) armour-piercing shell at a velocity of 770 m/s (2,500 ft/s) to a range of 15,400 m (16,800 yd).[2]

A number of Mle 1893/96 M guns were fitted to the same railroad carriage as the older model in 1917, although it only weighed 60 tonnes (59 long tons; 66 short tons). The gun could elevate between +3° and 40°, but retained the same minimum firing elevation of 10°. It could use the same ammunition as the older guns, but could also fire a new 49.8 kg (110 lb) high-explosive shell fitted with a ballistic cap at a velocity of 830 m/s (2,700 ft/s) to a range of 19,200 m (21,000 yd).[2] Eight of these railroad guns remained in French service after the end of World War I and at least four were captured by the Germans and given the designation 16 cm Kanone (E.) 453(f) although what use was made of them, if any, is unknown.[5]

Coastal gun

The Germans used 32 of the Mle 1893/96 in coast-defence batteries in France as the KM 93/96(f), as well as 18 of the Mle 1893 with the designation of SKL/45(f), although it is unknown how many, if any, were simply taken over from existing French coast-defence positions or were newly emplaced by them.[6]

Notes

"French 164.7 mm/45 (6.5") Models 1893 and 1896". 16 May 2006. Retrieved 26 June 2009.
Kosar, p. 213
Carrere, p. 121
Conway's, pp. 296-7
François, Guy; Chazette, Alain (2006). Eisenbahnartillerie: Histoire de l'artillerie lourde sur voie ferrée allemande des origines à 1945. Paris: Editions Histoire et Fortifications. p. 92. ISBN 2-915767-08-4.
Rolf, Rudi (1998). Der Atlantikwall: Bauten der deutschen Küstenbefestigungen 1940-1945. Osnabrück: Biblio. p. 387. ISBN 3-7648-2469-7.

References

Caresse, Philippe (2007). The Iéna Disaster, 1907. Warship 2007. London: Conway. pp. 121–138. ISBN 978-1-84486-041-8.
Hogg, Ian V. Allied Artillery of World War One. Ramsbury, Marlborough, Wiltshire: Crowood Press, 1998 ISBN 1-86126-104-7
Kosar, Franz. Eisenbahngeschütz der Welt. Stuttgart: Motorbook, 1999 ISBN 3-613-01976-0

External links

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[1] "French 164.7 mm/45 (6.5") Models 1893 and 1896". 16 May 2006. Retrieved 26 June 2009.

[k-2] Kosar, p. 213

[3] Carrere, p. 121

[4] Conway's, pp. 296-7

[5] François, Guy; Chazette, Alain (2006). Eisenbahnartillerie: Histoire de l'artillerie lourde sur voie ferrée allemande des origines à 1945. Paris: Editions Histoire et Fortifications. p. 92. ISBN 2-915767-08-4.

[6] Rolf, Rudi (1998). Der Atlantikwall: Bauten der deutschen Küstenbefestigungen 1940-1945. Osnabrück: Biblio. p. 387. ISBN 3-7648-2469-7.

French naval weapons of the First World War
Battleship primary armament	274 mm/40 Modèle 1893/1896 305 mm/45 Modèle 1887 305 mm/40 Modèle 1893/96 305 mm/45 Modèle 1906 340mm/28 Modèle 1881 340 mm/42 Modèle 1887 340 mm/45 Modèle 1912
Battleship secondary armament	47 mm/40 Modèle 1885 47 mm/50 Modèle 1902 57 mm/40 Modèle 1885 75 mm/62 Modèle 1908 75 mm/34 Modèle 1915/1916/1917 138 mm/55 Modèle 1910 164 mm/45 Modèle 1887 164 mm/45 Modèle 1893 194 mm/40 Modèle 1893-1896 240mm/50 Modèle 1902 274 mm/45 Modèle 1887/1893
Cruiser primary armament	164 mm/45 Modèle 1887 164 mm/45 Modèle 1893 194 mm/45 Modèle 1887 194 mm/40 Modèle 1893-1896 194 mm/50 Modèle 1902
Cruiser secondary armament	100 mm/45 Modèle 1891 138 mm/45 Modèle 1893 164 mm/45 Modèle 1887 164 mm/45 Modèle 1893
Destroyer and Aviso Primary armament	65 mm/50 Modèle 1891 100 mm/45 Modèle 1891 138 mm/45 Modèle 1893 138 mm/55 Modèle 1910
Anti-aircraft weapons	8 mm/50 Modèle 1914 57 mm/40 Modèle 1902