Guiraud 100kg depth charge

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Port Guiraud 100kg depth charge launched off Vautour

Description

Guiraud depth charge is a French anti-submarine depth charge used on some of the French destroyers. It's the largest french domestic depth charge used .

Originally introduced to the French navy in 1922, Guiraud depth charged had their roots in WW1, and could be found in various sizes, from 40 to 200 kg. 100kg Guiraud depth charge Mle 1922 could be launched from the Depth Charge thrower Mle 1928 at the range of up to 250 meters, and mortarman could train the weapon to accurately bomb submarines without manoeuvring the vessel.

Vehicles equipped with this weapon

General info

The Guiraud depth charge has characteristic typical to the depth charge throwers of other nations, such as the British Y-gun Mk.VII depth charge. Comparatively speaking, it has a short range, but retains a good explosive filler.

Effective damage

100 kg explosive is enough to cripple or outright destroy any destroyer or coastal vessel, but the difficulty to landing the charge on target makes it effectively a non-factor.

Comparison with analogues

With a large explosive filler, and one of the highest explosive to total mass ratios, Guiraud features an excellent performance compared to its peers.

Name Country
of origin
Mass (kg) Explosive
type
Explosive mass
(kg)
TNT equivalent
(kg)
7.2 in T37 USA flag.png 29 Torpex 15.9 25.44
B TG Italy flag.png 63 TNT 50 50
B TG 100 Italy flag.png 126 TNT 100 100
BAS Italy flag.png 160 Torpex 70 112
BB-1 USSR flag.png 165 TNT 130 130
BM-1 USSR flag.png 45 TNT 25 25
Guiraud France flag.png 176 TNT 130 130
K-gun Mk.9 USA flag.png 190 TNT 136 136
Limbo mortar Britain flag.png 177 Minol 94 108.1
Mk.10 Hedgehog mortar Britain flag.png 29 Torpex 15.9 25.44
Mk.4 USA flag.png 160 Minol 94 108.1
Mk.6 USA flag.png 190 TNT 136 136
Mk.6 mortar USA flag.png 190 TNT 136 136
Mk.9 USA flag.png 190 TNT 136 136
Mk.VII Britain flag.png 196 TNT 130 130
RBM mortar USSR flag.png 160 Amatol 70.8 70.8
Type 3 Japan flag.png 50 Type 88 20 26
Type 95 Japan flag.png 160 Amatol 100 100
WBD Germany flag.png 196 Amatol 130 130
WBF Germany flag.png 139 Amatol 60 60
WBG Germany flag.png 160 Amatol 100 100
Y-gun Mk.VII Britain flag.png 196 TNT 130 130

Usage in battles

The Guiraud is extremely situational, as its short range and a lack of aiming tools make it usable against enemy vessels only at the ramming range.

Pros and cons

Pros:

  • Large explosive filler

Cons:

  • Short range at which charge is ejected makes it possible to damage your own vessel
  • No user interface elements assisting in aiming the mortar, regardless of the game mode

History

100kg Guiraud depth charge Mle 1922 were introduced four years after the end of the Great War, with the introduction of the then-new contre-torpilleurs. The 100 kg designation came from the TNT mass of the explosive filler used, while the total mass of the depth charge was 176 kg (8 kg fuse+primer, 24 kg casing, 46 kg arbor).

Initially they were paired with British Thornycroft Mk IV (Mle 1918) depth charge throwers, which were replaced by 100/250 mm depth charge throwers Mle 1928 with the introduction of the Jaguar-class. The new throwers were lighter, and allowed charge to be ejected on a range of up to 250 meters. But they suffered from reliability and robustness compared to the older Thornycroft design.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

External links

  • French Destroyers: Torpilleurs D'escadre and Contre-Torpilleurs, 1922-1956 by John Jordan and Jean Moulin (page 231, 232, 233)


Naval depth charges
USA  Mk.6 · Mk.6 mortar · K-gun Mk.9
Germany  WBD · WBF · WBG
Foreign:  BB-1 (USSR) · Mk.6 (USA) · Type 95 (Japan)
USSR  BB-1 · BM-1 · MBU-600 mortar · RBM mortar
Britain  Limbo mortar · Mk.10 Hedgehog mortar · Mk.VII · Y-gun Mk.VII
Foreign:  Mk.6 mortar (USA)
Japan  Type 3 · Type 95
Foreign:  Mk.6 mortar (USA) · Mk.9 (USA) · Mk.10 Hedgehog (Britain)
Italy  B TG · B TG 100 · BAS · Mk.4
Foreign:  WBG (Germany) · Mk.10 Hedgehog (Britain)
France  Guiraud
Foreign:  Mk.VII (Britain) · Y-gun Mk.VII (Britain)