Difference between revisions of "Bliss-Leavitt Mk.1 (533 mm)"

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== Description ==
 
== Description ==
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The Bliss-Leavitt Mk.1 is a pre-WW1 torpedo developed by the United States for use against surface targets. Largely obsolete by the service dates of most US battleships present in War Thunder, it's only present on the earliest dreadnought hulls for use in underwater launchers.
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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.''
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
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== General info ==
 
== General info ==
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''Tell us about the tactical and technical characteristics of the torpedo.''
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=== Effective damage ===
 
=== Effective damage ===
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The Mk.1 only contains around 91 kg of TNT equivalent, making it the fifth smallest torpedo warhead in the game, and the smallest designed for use against surface targets. Very little damage will likely be dealt upon detonation, with the most damage occurring to smaller vessels which can experience unrepairable breaches from the explosion. Capital ships are mostly immune, due to their thick belts. The best chance for damage to occur is if the torpedo hits an unprotected magazine or engine room on a ship with little standoff distance, such as a destroyer.
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''Describe the type of damage produced by this type of torpedo (high explosive, splash damage, etc)''
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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Most torpedoes you come into contact with on the seas of War Thunder will be stronger, faster, and have a longer range. Torpedoes of a similar era, such as those found on the SMS Helgoland and HMS Dreadnought, run at similar speeds but contain slightly more explosive and can operate at much further ranges. The Mk. 1 does out-range early Russian dreadnought-launched torpedoes, but suffers in terms of speed.
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''Give a comparative description of torpedoes that have firepower equal to this weapon.''
  
 
== Usage in battles ==
 
== Usage in battles ==
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The rather limited range of this torpedo combined with its small payload makes it largely unsuitable for capital ship combat in War Thunder. The fixed underwater launchers found on early dreadnought hulls mean that the user's hull has to be almost perpendicular to the enemy to get a firing solution. Should you find yourself within a couple kilometers of an enemy ship, you may want to wait for the enemy's course to intersect with the firing angle of your launcher, rather than turn the entire hull and expose your broadside just to fire your torpedo. Only one can be loaded on each side of the ship at a time, and it takes time to reload.
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''Describe situations when you would utilise this torpedo in-game (vehicle, pillbox, base, etc)''
  
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If you are able to obtain an acceptable firing angle on an enemy ship, he may be surprised to find that you've fired a torpedo at all. Many early battleship captains opt not to carry them to reduce their explosion risk, and the underwater launchers don't create a visible plume of steam when fired, allowing them to be deployed with relative stealth.
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=== Pros and cons ===
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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.''
  
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=== Pros and cons ===
 
 
'''Pros:'''
 
'''Pros:'''
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*
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* Can cause lethal flooding against smaller targets
 
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* Large enough to reach unprotected magazines
 
  
 
'''Cons:'''
 
'''Cons:'''
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*
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* Very slow
 
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* Warhead is smaller than its contemporaries
 
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* Requires very close range to use
 
  
 
== History ==
 
== History ==
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Developed in 1904, the name Bliss-Leavitt combines the last name of its inventor, Frank McDowell Leavitt, with that of his employer, the E. W. Bliss Co. The Mk 1 was propelled by a single-stage vertical turbine engine, and powered by an alcohol-fired dry heater tied to a 2,250 psi air flask. The original development models of the torpedo ran cold - that is they fed compressed air into the engine without the use of any heating mechanisms. Once the torpedo went into production, however, a "combustion pot" or "superheater" was added between the air flask and engine. By heating the air prior to its introduction to the engine's combustion chamber, higher efficiency was achieved. This allowed the production version to sustain travel at 27 knots (50 km/h) for 4,000 yards (3,660 m), far surpassing the range of the preceding Whitehead torpedoes.
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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>.''
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However, the Mk 1 variants suffered from stability issues due to its vertical compression turbine being tied to a single four-bladed propeller. The torque of the engine would often cause the torpedo to roll off course, an issue which was corrected in subsequent versions of the Bliss-Leavitt which used a two-stage engine with contra-rotating props.
 
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As was often the case with torpedoes around this time, the Bliss Leavitt Mk. 1 carried wet gun cotton (nitrocellulose) and a percussion detonator, opting for a payload of 200 lbs (90 kg).
 
  
 
== Media ==
 
== Media ==
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[[File:WTUS PreWWII Whipple pic.jpg|thumb|Twin 18" (45 cm) torpedo tubes on USS Whipple (D-15) in June 1918. Note 6-pdr gun in the background. U.S. Naval Historical Center Photograph # NH 41761]]
 
 
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
 
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
  
 
== See also ==
 
== See also ==
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[[R.G.F. Mark VI** (450 mm)]]
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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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* ''reference to the article about the variant of the weapon;''
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[[G6c (500 mm)]]
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* ''references to approximate analogues by other nations and research trees.''
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[[Pattern 1912 (450 mm)]]
 
  
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OP353W - ''A Brief History of U.S. Navy Torpedo Development (1978)''
 
 
== External links ==
 
== External links ==
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http://www.navweaps.com/Weapons/WTUS_PreWWII.php#Bliss-Leavitt_21%22_%2853.3_cm%29_Mark_1
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''Paste links to sources and external resources, such as:''
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* ''topic on the official game forum;''
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* ''other literature.''
  
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https://maritime.org/doc/jolie/part1.php#page022<nowiki/>{{Torpedoes}}
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{{Torpedoes}}
  
 
[[Category:Naval special armaments]]
 
[[Category:Naval special armaments]]

Revision as of 19:05, 18 November 2020

Description

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.

Vehicles equipped with this weapon

General info

Tell us about the tactical and technical characteristics of the torpedo.

Effective damage

Describe the type of damage produced by this type of torpedo (high explosive, splash damage, etc)

Comparison with analogues

Give a comparative description of torpedoes that have firepower equal to this weapon.

Usage in battles

Describe situations when you would utilise this torpedo in-game (vehicle, pillbox, base, etc)

Pros and cons

Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.

Pros:

Cons:

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: https://wiki.warthunder.com/(Weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.

Media

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

See also

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;
  • references to approximate analogues by other nations and research trees.

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


Torpedoes
USA 
450 mm  Mk.7
533 mm  Bliss-Leavitt Mk.1 · Mark 35 · Mk.8 · Mk.8-3 C/D · Mk.15 · Mk.16
569 mm  Mk.13 · Mk.13-6† · Mk.13-6 Case†
Germany 
324 mm  Mark 44
450 mm  C/06D · LT 1A/1 · F5W† · F5b†
500 mm  G6c
533 mm  G7a · Seal DM2A1
600 mm  H/8
USSR 
400 mm  SET-40 · SET-72
450 mm  Pattern 1910 · Pattern 1912 · 45-36NU‡ · 45-36AN† · 45-36MAN†
533 mm  53-38 · 53-39 · 53-56 · 53-57 · 53-65 · SET-53M · SET-65
Britain 
450 mm  R.G.F. Mark VI** · Mark XII‡ · Mark XV‡
533 mm  Mark I · Mk.IV · Mk.V · Mk.VIII · Mk.IX · Mk.IX** · 21 inch Mk.20 Bidder
Japan 
324 mm  Mark 46
450 mm  Type 2 · Type 38 No.2 B · Type 43 · Type 44 No.2 · Type 91 Model 2† · Type 91 Model 3†
533 mm  Type 6 · Type 43 (1910) · Type 54 Model 3 · Type 72 Model 1 · Type 89
610 mm  Type 8 No.2 · Type 90 · Type 93 Model 1, Mod 2 · Type 93 Model 3
Italy 
450 mm  F200/450† · S.I.170/450X5,25 · W.200/450X5,75 · Whitehead A 110/450
533 mm  S.I.270 · S.I. 250/533,4X7,5 Tipo A · S.I. 270/533,4X7,2 Tipo I · S.I. 270/533X6.84 Tipo L · S.I. 270/533,4X7,2 Tipo M
France 
400 mm  1926DA†
450 mm  1909R
550 mm  L3 · Model 1919V · Model 1923DT
Sweden 
450 mm  m/38† · m/41†
  † = Aerial torpedo
‡ = Aerial and ship-launched torpedo

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