Difference between revisions of "T7 (155 mm)"

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[[File:Weapon T7 (155 mm).png|thumb|right|x250px|The T7 (155 mm) on the T30 gun mantlet.]]
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== 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 '''155 mm L/40 T7''' was an American rifled tank gun developed in 1945. The T7 was to be the main armament for the T30 Heavy Tank, but only a handful were produced due to the T30 project being cancelled after trials in the late 1940s.
 
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The T7 used two-part separated ammunition like the [[T5E1 (105 mm)|105 mm T5E1]] gun on the T29 Heavy Tank. It had a low velocity of only 701 m/s (2,300 ft/s) compared to the [[T53 (120 mm)|120 mm T53]] on the T34 Heavy Tank (945 m/s) and the 105 mm T5E1 on the T29 Heavy Tank (945 m/s). However, the 43 kg (95 lbs) High-Explosive shell was demonstrated to have a powerful demolition effect.
 
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
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=== Available ammunition ===
 
=== Available ammunition ===
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''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).''
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<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
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The available choice of ammunition focuses on heavily armoured targets:
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* '''M112B1''': APBC; an armour-piercing ballistic capped shell with high explosive mass and good penetration power that will knock out any tank it penetrates.
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* '''T29E1''': APCBC; an armour-piercing capped shell with a ballistic cap offering an increased penetration compared to the M112B1.
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* '''M107''': HE; a powerful high-explosive shell useful to destroy all enemy vehicles and even open and lightly armoured vehicles indirectly with the blast.
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* '''M110''': Smoke; useful to blind enemy vehicles that are too remote for you to disable so that you can progress towards objectives.
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{{:{{PAGENAME}}/Ammunition|M112B1, M107, M110, T29E1}}
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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== Media ==
 
== Media ==
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''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
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<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
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;Videos
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{{Youtube-gallery|lK9Ck3P6AvM|'''Top 7 best rounds''' discusses the T29E1 at 5:01 - ''War Thunder Official Channel''}}
  
 
== See also ==
 
== See also ==
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''Paste links to sources and external resources, such as:''
 
''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;''
 
 
* ''other literature.''
 
* ''other literature.''
  

Latest revision as of 21:00, 9 March 2024

The T7 (155 mm) on the T30 gun mantlet.

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

The 155 mm gun T7 is 6.74 m (22.1 ft) long cannon unique to the T30 Heavy Tank. It has a distinctive muzzle brake which allows it to be distinguished from similar tanks using the T5E1 or T53 cannon such as the T-29 and T-34. It is slightly shorter than both cannons.

Available ammunition

The available choice of ammunition focuses on heavily armoured targets:

  • M112B1: APBC; an armour-piercing ballistic capped shell with high explosive mass and good penetration power that will knock out any tank it penetrates.
  • T29E1: APCBC; an armour-piercing capped shell with a ballistic cap offering an increased penetration compared to the M112B1.
  • M107: HE; a powerful high-explosive shell useful to destroy all enemy vehicles and even open and lightly armoured vehicles indirectly with the blast.
  • M110: Smoke; useful to blind enemy vehicles that are too remote for you to disable so that you can progress towards objectives.

Penetration statistics
Ammunition Type of
warhead 		Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
M112B1 APBC 179 177 168 158 148 139
M107 HE 61 61 61 61 61 61
T29E1 APCBC 199 197 187 175 165 155
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
M112B1 APBC 670 45.36 1.2 19 639.94 47° 60° 65°
M107 HE 717 43.1 0.3 0.1 9,120 79° 80° 81°
T29E1 APCBC 670 45.36 1.2 19 639.94 48° 63° 71°
Smoke shell characteristics
Ammunition Velocity
(m/s) 		Projectile
mass (kg) 		Screen radius
(m) 		Screen deploy
time (s) 		Screen hold
time (s) 		Explosive mass
(TNT equivalent) (g)
M110 717 44.63 21 5 30 50

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.

Pros and cons

Pros:

  • The 155 mm HE round is capable of knocking out most tanks in the game
  • Both types of AP rounds are almost guaranteed to result in a kill if they penetrate a tank's armour

Cons:

  • Shells have less explosive filler than slightly smaller German HE rounds
  • Shells travels at significantly slower velocity than the T5E1 and T53 guns mounted on the T29 or T34 (roughly 700 m/s compared to over 900 m/s)

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

Videos
Top 7 best rounds discusses the T29E1 at 5:01 - War Thunder Official Channel

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 cannon/machine gun;
  • 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.


USA tank cannons
20 mm  M139
25 mm  LW25 · M242
37 mm  M3 · M5 · M6
57 mm  M1
75 mm  M2 · M2 Howitzer · M3 · M6 · M1897A4 · XM274
76 mm  M1 · M7 · M32 · T185E1
90 mm  M3 · M3A1 · M36 · M41 · M54 · T15E1 · T15E2 · T54 · T208E9
105 mm  M4 · M68 · M68A1 · M68A1E8 · T5E1 · T5E2 · T140E2 · T140E3 · XM35
106 mm  M40A1C
120 mm  M58 · M256 · T53
152 mm  M81 · M162 · XM150E5
155 mm  M185 · T7
165 mm  M135
  Foreign:
20 mm  Rh202 (Germany)
57 mm  6pdr OQF Mk.III (Britain) · ZIS-2 (USSR)
105 mm  Sharir (Israel)
120 mm  IMI MG251 (Israel)

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