B TG depth charge

B TG depth charge mortar on RN Eugenio di Savoia's stern. with the charge itself visible mid-flight.

Description

B TG depth charges are widely used on the Italian ships in both: Light Cruisers and Motor Torpedo Boats. It's one of the smaller ASW weapons in Italian fleet, with the other depth charge being B TG 100 with double the explosive mass.

Historically there were several B TG/50 charges, with the first one introduced in 1917 and the last one in 1936.

General info

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Effective damage

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Comparison with analogues

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

Usage in battles

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Pros and cons

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Pros:

Cons:

History

B TG ("Bombe Torpedini da Getto", 'Thrown Torpedo Bomb') is a series of depth charges manufactured for Regia Marina during the both World Wars, serving as the Italian navy's primary anti-submarine weapon.

The in-game B TG depth charge is most likely B TG 50/1917 manufactured by the Moncenisio company located near Turin.

Depth charge throwers visible on the in-game cruisers were Lanciabomba AS 432/302 Mod. 1934-37 or Lanciabomba AS 302/1933 Mod. 1937 (model 1937 adding optional ability to discharge a small-diameter charges).

B TG family of depth charges

Designation	Introduced	Mass (kg)	External diameter (mm)	Selectable depth settings	Manufacturer
B TG 50/1917	1917	62.5	600	1 (unknown)	Moncenisio
B TG 50/1927	1927	64	300	4 (20, 40, 70, 100m)	Moncenisio
B TG 100/1927	1927	128	430	4 (25, 50, 75, 100m)	Moncenisio
B TG 50/1930	1930		300		Moncenisio
B TG 50/1936	1936	70	300		Moncenisio
B TG 100/1936	1936	130	430
B TG 150/1940	1940	180	430
B TG 30/1941	1941	42	300
B TG 60/1943	1943	130	450
B TG 125/1943	1943	180	450

Empty fields denote missing data

Media

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See also

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• reference to the article about the variant of the weapon;
• references to approximate analogues by other nations and research trees.

External links

• [NavWeaps] Italy - ASW Weapons
• [Regia Marina Italiana] Weapons by Cristiano D'Adamo - Antisubmarine
• Depth Charge!: Mines, Depth Charges and Underwater Weapons, 1914-1945 By Chris Henry (see: page 118)