Mortier de 58 mm type 2

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Mortier de 58 mm type 2
MWP Dumesille mortar.JPG
Type Medium trench mortar
Place of origin  France
Service history
In service 1915 - 1940
Used by  France
 Serbia
 Poland
Wars World War I
Production history
Designer Dumisilles
Specifications
Weight Barrel & Breech:
75 kg (165 lb)
Carriage: 226 kg (498 lb)
Crew 5

Shell 18 kg (40 lb) (LS)
20 kg (44 lb) (ALS)
35 kg (77 lb) (DLS)
Calibre 58.3 mm (2.3 in)
(barrel only)
Elevation 45° - 82.5°
Maximum firing range 1,250 m (1,370 yd) (LS)
1,450 m (1,590 yd) (ALS)
670 m (730 yd)
(DLS)
Filling weight 5.35 kg (11 lb 13 oz) (LS)
6.4 kg (14 lb 2 oz) (ALS)
10 kg (22 lb 1 oz) (DLS)

The Mortier de 58 mm type 2, also known as the Crapouillot or "little toad" from its appearance, was the standard French medium trench mortar of World War I.

History[edit]

Introduced April 1915.

Combat use[edit]

Carrying bombs in a trench
With A.L.S. bomb loaded

3 types of bomb were available :[1]

  • Light L.S. bomb - 18 kg, containing 5.35 kg explosive. 6 wings, hollow plugged tail.
  • Heavy D.L.S. bomb - 35 kg, containing 10.0 kg explosive. 6 wings, hollow plugged tail.
  • Medium A.L.S bomb - 20 kg, containing 6.4 kg explosive. 3 wings, unlike the other 2 it has a hollow tail which contained the propellant charge, placing thrust closer to center of gravity and increasing range and accuracy. Not yet in common use as at March 1918.

Examples of capabilities :-[2]

  • To destroy a 3m x 3m blockhouse, 60-80 D.L.S. bombs or 100-150 L.S. bombs were required.
  • To cut a passage through barbed wire defences 40mtr wide x 30mtr deep, 120 D.L.S. bombs or 200 L.S. bombs were required.

See also[edit]

Weapons of comparable role, performance and era[edit]

Surviving examples[edit]

Notes[edit]

  1. ^ Manual for Trench Artillery. Part V. The 58 No. 2 Trench Mortar. US Army, March 1918. Page 9
  2. ^ General notes on the use of artillery. France. Ministère de la guerre. 1917. Page 42

References[edit]

External links[edit]