17 cm mittlerer Minenwerfer

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17 cm mittlerer Minenwerfer
Minenwerfer 170 mm Memorial de Verdun.jpg
17 cm Minenwerfer n/A at the Verdun Memorial, Verdun, France
TypeMedium trench mortar
Place of originGerman Empire
Service history
In service1913–1918
Used byGerman Empire
WarsWorld War I
Production history
DesignerRheinmetall
ManufacturerRheinmetall
Produced1913–18
No. builtapprox. 2361
Variants17 cm mMW n/A
Specifications
Mass483 kg (1,065 lbs)
Barrel lengtha/A: 64.6 cm (2 ft 1 in) L/3.8
n/A: 76.5 cm (2 ft 6 in) L/4.5

Calibre170 mm (6.69 in)
Recoilhydro-spring
Carriagebox trail
Elevation+45° to 90°
Traverse25°
Rate of fire20 rpm
Muzzle velocity200 m/s (656 ft/s)
Effective firing range300 m (325 yards)
Maximum firing range1,600 meters (1,700 yd)
Sightspanoramic

The 17 cm mittlerer Minenwerfer (17 cm mMW) was a mortar used by Germany in World War I.

Development and Use[edit]

The weapon was developed for use by engineer troops after the Siege of Port Arthur during the Russo-Japanese War of 1905. It illustrated the usefulness of this type of weapon in destroying bunkers and field fortifications otherwise immune to normal artillery. It was a muzzle-loading, rifled mortar that had a standard hydro-spring recoil system. It fired 50 kilogram (110 lb) HE shells, which contained far more explosive filler than ordinary artillery shells of the same caliber. The low muzzle velocity allowed for thinner shell walls, hence more space for filler. Furthermore, the low velocity allowed for the use of explosives like Ammonium Nitrate-Carbon that were less shock-resistant than TNT, which was in short supply. This caused a large number of premature detonations that made crewing the minenwerfer riskier than normal artillery pieces.

A new version of the weapon, with a longer barrel, was put into production at some point during the war. It was called the 17 cm mMW n/A (neuer Art) or new pattern, while the older model was termed the a/A (alter Art) or old pattern.

In action the mMW was emplaced in a pit, after its wheels were removed, not less than 1.5 meters deep to protect it and its crew. It could be towed short distances by four men or carried by 17. Despite its extremely short range, the mMW proved to be very effective at destroying bunkers and other field fortifications. Consequently, its numbers went from 116 in service when the war broke out to some 2,361 in 1918.[1]

Surviving Examples[edit]

See also[edit]

Photo Gallery[edit]

Notes[edit]

  1. ^ The data for this weapon differs between sources and cannot be considered definitive. Data provided has generally been for an a/A mortar as given at the US Army Field Artillery Museum, Ft. Sill, Oklahoma
  2. ^ Fox, Dr Aaron. "Distribution". Silent Sentinels. Retrieved 1 May 2017.
  3. ^ Cooke, Peter (2013). Great Guns: The Artillery Heritage of New Zealand. Defence of New Zealand Study Group. ISBN 9780473255558.

References[edit]

  • Jäger, Herbert. (2001). German Artillery of World War One. Ramsbury, Marlborough, Wiltshire: Crowood Press. ISBN 1-86126-403-8.

External links[edit]