Difference between revisions of "B TG depth charge"

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[[File:B TG depth charge.jpg|thumb|x250px|B TG depth charge mortar on [[RN Eugenio di Savoia]]'s stern, with the charge itself visible mid-flight.]]
 
== Description ==
 
== Description ==
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''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.''
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<!-- ''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.'' -->
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The '''B TG''' is an Italian anti-submarine depth charge. It was widely used on Italian ships (light cruisers and motor torpedo boats). It's one of the smaller ASW weapons in the Italian fleet, with the other depth charge being [[B TG 100 depth charge|B TG 100]] with double the explosive mass.
 +
 
 +
Historically there were several B TG charges with a mass of 50kg (designated B TG/50), with the first one introduced in 1917 and the last one in 1936.
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
 
<!-- ''List out vehicles that are equipped with the weapon.'' -->
 
<!-- ''List out vehicles that are equipped with the weapon.'' -->
  
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* {{Specs-Link|it_mas_classe500_3}}
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{{Navigation-Start|Vehicles equipped with this weapon}}
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* {{Specs-Link|it_mas_classe500_4}}
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* {{Specs-Link|it_ms15_1a}}
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{{Navigation-First-Line|'''Motor torpedo boats'''}}{{Specs-Link|it_mas_classe500_3}}{{-}}{{Specs-Link|it_mas_classe500_3_1944}}{{-}}{{Specs-Link|it_mas_classe500_4}}{{-}}{{Specs-Link|it_ms15_1a}}{{-}}{{Specs-Link|it_ms53_2a}}{{-}}{{Specs-Link|it_mas_stefano_turr}}{{-}}{{Specs-Link|it_vas_baglietto_68t_1serie}}
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* {{Specs-Link|it_ms53_2a}}
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* {{Specs-Link|it_mas_stefano_turr}}
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{{Navigation-Line|'''Light cruisers'''}}{{Specs-Link|it_cruiser_garibaldi_class_abruzzi}}{{-}}{{Specs-Link|it_cruiser_eugenio_di_savoia}}{{-}}{{Specs-Link|it_cruiser_montecuccoli}}
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* {{Specs-Link|it_vas_baglietto_68t_1serie}}
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{{Navigation-End}}
  
 
== General info ==
 
== General info ==
−
''Tell us about the tactical and technical characteristics of the depth charge.''
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<!-- ''Tell us about the tactical and technical characteristics of the depth charge.'' -->
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B TG can be found on both: Coastal vessels and the Bluewater ships, but in both cases it has a relatively small explosive mass comparing to the depth charges of other nations. Typically to all of the depth charges in the game - the most difficult part is delivering them on target.
  
 
=== Effective damage ===
 
=== Effective damage ===
−
''Describe the type of damage produced by this type of depth charge (high explosive, splash damage, etc)''
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<!-- ''Describe the type of damage produced by this type of depth charge (high explosive, splash damage, etc)'' -->
 +
A single depth charge can kill any {{Annotation|MTB|Motor Torpedo Boat}} or {{Annotation|MGB|Motor Gun Boat}} if put right on it. For sub chasers and larger boats its typically best to leave a few charges to assure kill. Despite of having a smaller explosive filler than most of the depth charges - it makes no practical difference.
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
−
''Give a comparative description of depth charges that have firepower equal to this weapon.''
+
<!-- ''Give a comparative description of depth charges that have firepower equal to this weapon.'' -->
 +
When it comes to depth charges, there are two key factors to consider: the explosive filler and the number of charges that can be carried onboard. Unfortunately, the B TG depth charges fall short in both areas. With only 50 kg of explosive filler, they are less powerful than foreign counterparts which carry 3-4 times as much, making them less effective at causing damage and less forgiving of near-misses. Additionally, the small size of the charges is not compensated for by a larger quantity. Cruisers carry a similar number of charges as foreign counterparts, with the exception of the [[RN Eugenio di Savoia]] which carries only 2 charges in mortars, making it one of the least depth charges one can find on a bluewater ship. Coastal vessels, such as the [[VAS 201]], typically carry around 12 charges, which is above average for Motor Torpedo Boats, but significantly less than the sub-chasers found in other navies.
 +
 
 +
{{Naval special armament table|depth charges}}
  
 
== Usage in battles ==
 
== Usage in battles ==
−
''Describe situations when you would utilise this depth charge in-game (vehicle, pillbox, base, etc)''
+
<!-- ''Describe situations when you would utilise this depth charge in-game (vehicle, pillbox, base, etc)'' -->
 +
Depth charges can be an effective weapon against enemy cruisers or destroyers when used by a Motor Torpedo Boats. They are most effective when dropped at point-blank range, almost right on the the enemy's hull. A few charges dropped in a series can make it very difficult for the enemy to escape. However, use against coastal vessels it is less reliable due to required timing and the enemy's ability to flee the blast radius before the charges detonate.
 +
 
 +
The use of depth charges on cruisers is much less common due to the difficulty of achieving a precise aim without visual aids in the game interface, and the need for the ship to be in close proximity to the enemy in order for the charge to be effective. The explosion also occurs relatively close to the ship, adding to the difficulty of this tactic. The delay between the ejection of the charge and its explosion can be modified in Options -> Main parameters -> Naval Battle Settings -> <code>Depth Charge activation time</code> (it defaults to 3s, with options ranging from 3 to 10 second delay). There is no way to alter this setting during the battle, nor to assign a specific delay to a specific ship.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
''Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.''
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<!-- ''Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.'' -->
  
 
'''Pros:'''
 
'''Pros:'''
−
*
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* Available in a good amount on some of the Motor Torpedo Boats
  
 
'''Cons:'''
 
'''Cons:'''
−
*
+
* Very low explosive filler
 +
* A number of ships have an underwhelming number of charges onboard
  
 
== History ==
 
== History ==
−
''Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.''
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<!-- ''Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.'' -->
 +
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).
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{{Sp-begin|B TG family of depth charges}}
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{| class="wikitable sortable"
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! data-sort-type="text" | Designation
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! data-sort-type="isoDate"  | Introduced
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! data-sort-type="number" | Mass (kg)
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! data-sort-type="number" | External diameter (mm)
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! data-sort-type="number" | Selectable depth settings
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! data-sort-type="text" | Manufacturer
 +
|-
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| B TG 50/1917 || 1917 || 62.5 || 600 || 1 (unknown) || Moncenisio
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|-
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| B TG 50/1927 || 1927 || 64 || 300 || 4 (20, 40, 70, 100 m) || Moncenisio
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|-
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| B TG 100/1927 || 1927 || 128 || 430 || 4 (25, 50, 75, 100 m) || Moncenisio
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|-
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| B TG 50/1930 || 1930 ||  || 300 || || Moncenisio
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|-
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| B TG 50/1936 || 1936 || 70 || 300 || || Moncenisio
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|-
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| B TG 100/1936 || 1936 || 130 || 430 ||
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|-
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| B TG 150/1940 || 1940 || 180 || 430 || ||
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|-
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| B TG 30/1941 || 1941 || 42 || 300 || ||
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|-
 +
| B TG 60/1943 || 1943 || 130 || 450 || ||
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|-
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| B TG 125/1943 || 1943 || 180 || 450 || ||
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|}
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Empty fields denote missing data
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{{Sp-end}}
  
 
== Media ==
 
== Media ==
Line 40: Line 90:
  
 
== See also ==
 
== See also ==
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''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
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<!-- ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
* ''reference to the article about the variant of the weapon;''
 
* ''reference to the article about the variant of the weapon;''
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* ''references to approximate analogues by other nations and research trees.''
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* ''references to approximate analogues by other nations and research trees.'' -->
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* [[B TG 100 depth charge]]
  
 
== External links ==
 
== External links ==
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''Paste links to sources and external resources, such as:''
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<!-- ''Paste links to sources and external resources, such as:''
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
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* ''encyclopedia page on the weapon;''
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* ''other literature.'' -->
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* ''other literature.''
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 +
* [http://www.navweaps.com/Weapons/WAMIT_ASW.php <nowiki>[NavWeaps]</nowiki> Italy - ASW Weapons]
 +
* [http://www.regiamarina.net/detail_text_with_list.asp?nid=103&lid=1&cid=5 <nowiki>[Regia Marina Italiana]</nowiki> Weapons by Cristiano D'Adamo - Antisubmarine]
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* [https://books.google.pl/books?id=VgbMDwAAQBAJ&dq=B+TG+Monc.+50/1927+4+Reg. Depth Charge!: Mines, Depth Charges and Underwater Weapons, 1914-1945 By Chris Henry] (see: page 118)
  
 
{{Naval depth charges}}
 
{{Naval depth charges}}
  
 
[[Category:Naval special armaments]]
 
[[Category:Naval special armaments]]

Latest revision as of 16:19, 22 January 2023

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

Description

The B TG is an Italian anti-submarine depth charge. It was widely used on Italian ships (light cruisers and motor torpedo boats). It's one of the smaller ASW weapons in the Italian fleet, with the other depth charge being B TG 100 with double the explosive mass.

Historically there were several B TG charges with a mass of 50kg (designated B TG/50), with the first one introduced in 1917 and the last one in 1936.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Motor torpedo boats  MAS 555 · MAS 561 · MAS 569 · MS-15 · MS-53 · Stefano Turr · VAS 201
Light cruisers  RN Duca degli Abruzzi · RN Eugenio di Savoia · RN Raimondo Montecuccoli

General info

B TG can be found on both: Coastal vessels and the Bluewater ships, but in both cases it has a relatively small explosive mass comparing to the depth charges of other nations. Typically to all of the depth charges in the game - the most difficult part is delivering them on target.

Effective damage

A single depth charge can kill any MTB or MGB if put right on it. For sub chasers and larger boats its typically best to leave a few charges to assure kill. Despite of having a smaller explosive filler than most of the depth charges - it makes no practical difference.

Comparison with analogues

When it comes to depth charges, there are two key factors to consider: the explosive filler and the number of charges that can be carried onboard. Unfortunately, the B TG depth charges fall short in both areas. With only 50 kg of explosive filler, they are less powerful than foreign counterparts which carry 3-4 times as much, making them less effective at causing damage and less forgiving of near-misses. Additionally, the small size of the charges is not compensated for by a larger quantity. Cruisers carry a similar number of charges as foreign counterparts, with the exception of the RN Eugenio di Savoia which carries only 2 charges in mortars, making it one of the least depth charges one can find on a bluewater ship. Coastal vessels, such as the VAS 201, typically carry around 12 charges, which is above average for Motor Torpedo Boats, but significantly less than the sub-chasers found in other navies.

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

Depth charges can be an effective weapon against enemy cruisers or destroyers when used by a Motor Torpedo Boats. They are most effective when dropped at point-blank range, almost right on the the enemy's hull. A few charges dropped in a series can make it very difficult for the enemy to escape. However, use against coastal vessels it is less reliable due to required timing and the enemy's ability to flee the blast radius before the charges detonate.

The use of depth charges on cruisers is much less common due to the difficulty of achieving a precise aim without visual aids in the game interface, and the need for the ship to be in close proximity to the enemy in order for the charge to be effective. The explosion also occurs relatively close to the ship, adding to the difficulty of this tactic. The delay between the ejection of the charge and its explosion can be modified in Options -> Main parameters -> Naval Battle Settings -> Depth Charge activation time (it defaults to 3s, with options ranging from 3 to 10 second delay). There is no way to alter this setting during the battle, nor to assign a specific delay to a specific ship.

Pros and cons

Pros:

  • Available in a good amount on some of the Motor Torpedo Boats

Cons:

  • Very low explosive filler
  • A number of ships have an underwhelming number of charges onboard

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, 100 m) Moncenisio
B TG 100/1927 1927 128 430 4 (25, 50, 75, 100 m) 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

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

See also

External links


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)

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