10.5 cm Luftminenwerfer M 15

10.5 cm Luftminenwerfer M 15
Type	Medium trench mortar
Place of origin	German Empire
Service history
In service	1915-1918
Used by	Austria-Hungary
Wars	World War I
Production history
Designer	Ehrhardt & Sehmer
Designed	1914-5
Manufacturer	Ehrhardt & Sehmer
Produced	1915-6
Specifications
Weight	126 kilograms (278 lb)

Caliber	105 millimetres (4.1 in)
Traverse	0°
Maximum firing range	500 metres (550 yd)

The 10.5 cm Luftminenwerfer M 15 (Pneumatic Trench Mortar) was a medium mortar used by Austria-Hungary in World War I. It was developed by the German firm of Ehrhardt & Sehmer. It was a rigid-recoil, muzzle-loading mortar on a fixed base that used compressed air to propel the mortar bomb to the target. Each cylinder of compressed air lasted for fifteen shots. A notable advantage was that the mortar had no firing signature, unlike conventional mortars with smoke and muzzle flash.

A batch of 25 mortars, 250 cylinders of compressed air and 10,000 complete bombs (i.e. with fuses) was ordered on 31 July 1915 for combat evaluation, but the manufacturer was unable to deliver the mortar bombs. They had to be manufactured by the Army itself. A slightly improved model was offered by Ehrhardt & Sehmer at the end of March 1916, but it was rejected because of the poor range of the ammunition and the difficulty in procuring it.

Ten trench mortar platoons, each with two weapons, were formed and deployed in February 1916, mainly to the Russian theater.

References

Ortner, M. Christian. The Austro-Hungarian Artillery From 1867 to 1918: Technology, Organization, and Tactics. Vienna, Verlag Militaria, 2007 ISBN 978-3-902526-13-7

Austro-Hungarian artillery of World War I

Infantry and mountain	7 cm Gebirgsgeschütz M 99 7.5 cm Gebirgsgeschütz 15 10 cm Gebirgshaubitze M 99 10 cm Gebirgshaubitze M 8 10 cm Gebirgshaubitze M 16

Mortars	8 cm Luftminenwerfer M 15 9 cm Minenwerfer M 14 9 cm Minenwerfer M 17 10.5 cm Luftminenwerfer M 15 12 cm Minenwerfer M 15 12 cm Luftminenwerfer M 16 14 cm Minenwerfer M 15 15 cm Luftminenwerfer M 15 M. E. 20 cm Luftminenwerfer M 16 22.5 cm Minenwerfer M 15 26 cm Minenwerfer M 17

Field, medium and heavy	8 cm FK M 99 8 cm FK M. 5 8 cm FK M. 17 8 cm FK M 18 9 cm FK M 75/96 10 cm FH M 99 10 cm Feldhaubitze M. 14 10.4 cm Feldkanone M. 15 15 cm sFH M 94 15 cm sFH M 14 15 cm sFH M.15 15 cm Autokanone M. 15/16

Superheavy and siege	12 cm Kanone M 80 15 cm Mörser M 80 15 cm Kanone M 80 18 cm kurze Kanone M 80 21 cm Mörser M. 16/18 24 cm Mörser M 98 24 cm Kanone M. 16 30.5 cm Mörser M. 11 30.5 cm Mörser M. 16 35 cm Marinekanone L/45 M. 16 38 cm Belagerungshaubitze M 16 42 cm Haubitze M. 14/16

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