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340mm/28 Modèle 1881 gun

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Naval gun

340mm/28 Modèle 1881
A 340mm/28 Modèle 1881 aboard theMagenta
Type	Naval gun
Place of origin	France
Service history
In service	1881-1922
Used by	France
Specifications
Mass	52.2 t (51.4 long tons; 57.5 short tons)^[1]
Length	9.7 m (32 ft) L/28.5calibres^[1]

Shell	Separate loading bagged charges and projectiles
Shell weight	AP: 420.0 kg (925.9 lb) Common: 350.0 kg (771.6 lb)^[1]
Calibre	340 mm (13 in)
Breech	Interrupted screw
Muzzle velocity	600 m/s (1,969 ft/s)^[1]

The340mm/28 Modèle 1881 gun was a heavynaval gun of theFrench Navy.

History

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The type was used in single mountings on the ironclads of theMarceau class, and on theHoche.^{[citation needed]}

Railway guns

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Railway gun

Canon de 340 modèle 1881/84 à glissement
Type	Railway gun
Place of origin	France
Service history
In service	1919-?
Used by	France
Production history
Designer	Schneider
Designed	1917
Manufacturer	Schneider
Produced	1918
No. built	8
Specifications
Mass	187 t (184 long tons; 206 short tons)
Barrel length	9.7 m (32 ft) L/28.5calibres^[2]

Shell	Separate loading bagged charges and projectiles
Shell weight	430 kg (950 lb)
Caliber	340 mm (13 in)
Breech	Interrupted screw breech^[2]
Recoil	Carriage recoil
Carriage	Two six-axle bogies
Elevation	+3° to +40°
Traverse	None
Rate of fire	1 round every five minutes
Muzzle velocity	430 m/s (1,400 ft/s)
Maximum firing range	19 km (12 mi)^[2]

Eight guns were converted from naval use torailway guns bySchneider and designatedCanon de 340 modèle 1881/84 à glissement. The conversions were ordered during 1917 but they weren't delivered until January 1919 after the war had ended. The guns were suspended from two six-axle rail bogies and usedcarriage recoil known as theglissement system. The guns had no traverse mechanism so aiming was done by drawing the guns across a section of curved track.^[3]

Notes

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^^a ^b ^c ^dFrench gun tables quoted inBrasseys Naval Annual 1901
^^a ^b ^cHogg, Ian (2004).Allied artillery of World War One. Ramsbury: Crowood. p. 218.ISBN 1861267126.OCLC 56655115.
^Miller, H. W. (1921).Railway Artillery, vols. I and II. Washington: Government Printing Office. pp. 193–196.

External links

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PIECES LOURDES : 240 et plus

v t e French naval weapons of theFirst 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 andAviso 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

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340mm/28 Modèle 1881 gun

History

Railway guns

See also

Weapons of comparable role, performance and era

Notes

External links