DT (7.62 mm)

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The DT on the BT-7A (F-32)

Description

The 7.62 mm DT is a Soviet machine gun used on a variety of armoured fighting vehicles. A conversion of an infantry light machine gun for ground vehicle mounts, the DT provides a steady rate of fire to suppress or harass enemy vehicles and their crew with.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Light tanks 
BT-5  BT-5 · RBT-5
BT-7  BT-7 · BT-7 TD · BT-7A (F-32) · BT-7M
T-26  T-26 · T-26 (1st Gv.T.Br.) · ␗T-26 · T-26 No.531 · T-26-4 · T-26E · ▄T-26E
Other  BA-11 · T-50 · T-60 · T-70 · T-80 · T-126
Medium tanks 
T-28  T-28 · ▄T-28 · T-28E · T-28 (1938)
T-34  T-34 (Prototype) · T-34 (1941) · ▄T-34 · T-34-57 · T-34 (1st Gv.T.Br.) · T-34 (1940) · T-34 (1942) · ␗T-34 (1943) · ▀T 34 747 (r) · T-34E · T-34E STZ
T-34-57  T-34-57 (1943)
T-34-85  T-34-85 (D-5T) · ␗Т-34-85 (S-53) · T-34-85 · ▄T-34-85 · T-34-85 No.215 · T-34-85E
T-34-100  T-34-100
T-44  T-44 · T-44-100 · T-44-122
Heavy tanks 
IS-2  IS-2 · ␗IS-2 · IS-2 No.402 · IS-2 (1944) · IS-2 "Revenge" · IS-2 No.321 · ␗IS-2 (1944) · Object 248
KV-1  KV-1 (L-11) · KV-1 (ZiS-5) · KV-1E · KV-1S · ▀KV-IB
KV-2  KV-2 (1940) · KV-2 (ZiS-6) · ▀KW II 754 (r)
Matilda  ▂MK-II "Matilda"
Other  SMK · IS-1 · IS-3 · IS-6 · KV-85 · KV-122 · KV-220 · T-35
Tank destroyers  ZiS-30

General info

A conversion of a 1920s infantry light machine gun, the DT has lots of characteristics of an early machine gun with a rather slow rate of fire. The magazine-fed nature also means that there are frequent down time to reload the machine gun if firing discipline is not maintained. However, this reload time is short again due to the magazine feeding system.

The DT firepower is otherwise nothing special compared to other machine guns of other nations aside from its firing characteristics.

Gun characteristics
Mass 8.6 kg (empty)
Caliber 7.62x54 mmR
Rate of fire 600
Overall length 1138 mm
Ammo feed fixed 63-round drum


Available ammunition

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
AP-I 13 12 7 3 2 0
T 5 4 2 1 0 0
AI 3 3 3 3 3 3
API-T 9 8 6 3 0 0
Shell details
Ammunition Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
AP-I 818 0.01 - - - 47° 56° 65°
T 815 0.01 - - - 47° 56° 65°
AI 815 0.01 0 3 0 47° 56° 65°
API-T 865 0.01 - - - 47° 56° 65°

Comparison with analogues

M1919A4 (.30-06; 7.62x63 mm)- American standard issue coaxial and anti-aircraft machine gun, has higher belt capacity than Type 55 while having lesser rate of fire.

BESA (.303; 7.7×56 mmR)- UK standard issue coaxial machine gun, also has higher belt capacity while sharing identical rate of fire.

MG34 (7.92x57 mm) - German GPMG for both infantry and armored vehicles, having much higher rate of fire and belt capacity.

Usage in battles

As the primary coaxial weapon for the majority of the Soviet Union's World War II designed/produced armoured fighting vehicles, the DT machine gun is a weapon that players will need to familiarize themselves with for a good part of the Soviet tech tree. Unlike most other nation which have belt-fed weapons, the DT is magazine-fed and so cannot carelessly fire away without worrying about the magazine being emptied. Though the reload time is short, it does leave the vehicle more vulnerable to targets that may otherwise be receiving a good hail of machine gun fire at the moment like aircraft or thin-skinned open-top vehicles.

That said, as a coaxial mount, the machine gun does not have great elevation and so should remain as a secondary armament against enemy ground units.

Pros and cons

Pros:

  • No worse than most other machine gun round performance
  • Reload time between magazines is short

Cons:

  • Slow rate of fire means fire saturation is poor
  • Magazine feeding system means that ammo reserve between reloads is small compared to belt-fed weapons

History

After World War I, the new Soviet government and its military sought to learn from Russia's experience in World War I. The light machine guns were a particular type of weapons that were looked into, inspired by the Russian experience using the British Lewis machine gun. The Soviet military tasked Vasily Alekseyevich Degtyaryov with the job of designing a new light machine gun for the Red Army. Degtyaryov produced a weapon with a rather simple design chambering the 7.62x54R mm cartridge, with the weapon's function composing of six working parts. The weapon was loaded by a pan-shaped magazine in a manner similar to the Lewis machine gun, a physical trait that Soviet soldiers would nickname the weapon as proigryvatel ("phonograph" or "record player").[1] Degtyaryov's weapon was adopted as the Red Army's newest light machine gun in 1927 under the name DP machine gun.[2] The DP gun is also sometimes referenced as the DP-27 or DP-28 (1928 being the DP's general service distribution date).

The DP machine gun would serve in most Red Army conflict onward, most notably in World War II. Though well-served, the initial models had issues with bipod structural strength and lack of a manual safety (only a grip safety was present).[2] Until World War II, the only considered modification of the DP machine gun, based on the fighting experience against the Japanese and their Type 11 machine guns in 1938-1939, was transforming the feed mechanism from using the large pan-shaped magazine to a slimmer hopper-type system that is fed with ammunition clips. However, this design was dropped due to awkward handling and unsatisfactory reliability.[3] Following the experience from World War II battles, the DP machine gun underwent a modernization between 1943-1944 as the DPM, which introduced a pistol grip, redesigned stock, a safe/fire selector, the repositioning of the recoil spring to the rear, and a stronger bipod.[4]

A DP (rear) and DT (front) machine gun on display.

The DP was also be used as vehicle mounts under the variations DA for aircraft mounts, and DT for tank mounts (alongside the modernised DTM). These variants were notable for their removed barrel shroud for a heavy barrel, different stock design (the DT would have a collapsible stock), and a redesigned 60-round magazine with a taller, three-layered ammunition arrangement that was smaller in width to for mounting within a constrained vehicle space.[2][5][6]

After World War II, the Soviet decide to replace the cumbersome pan-magazine on the DP with a belt-fed system. The DP machine gun was modified once again in 1946 with an add-on module that converts a DP to be able to take an ammunition belt from the SG-43/SGM machine gun.[7] This modification was adopted as the RP-46 (Rotnyj Pulemet (Company Machine Gun), 1946). The machine gun would remain in use in the Soviet military until supplemented by the universal PK machine gun.[2]

The DP and its variations sees wide-spread use in Soviet-aligned countries such as North Korea and China,[2][8] the latter of which license-produced the DPM machine gun as the Type 53.[9]

Media

Images

  • The hull-mounted DT on the ZiS-30

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

References

Citations
  1. ↑ War Is Boring 2016
  2. ↑ 2.0 2.1 2.2 2.3 2.4 Popenker, n.d.
  3. ↑ McCollum 2011a
  4. ↑ McCollum 2011b
  5. ↑ McCollum 2011c
  6. ↑ McNab 2022, 18
  7. ↑ McCollum 2011d
  8. ↑ McCollum 2018
  9. ↑ Kettrick 1983, p.235
Bibliography
  • Kettrick, James F. 1983. Small Arms Identification and Operation Guide - Eurasian Communist Countries (U). Washington D.C.: Defense Intelligence Agency.
  • McCollum, Ian. 2011b. "DP-28 vs DPM." Forgotten Weapons. Last modified April 27, 2011. Website (Archive).
  • McCollum, Ian. 2011c. "DTM Manual." Forgotten Weapons. Last modified January 24, 2011. Website (Archive).
  • McCollum, Ian. 2011a "Kubynov hopper-fed DP28." Forgotten Weapons. Last modified March 16, 2011. Website (Archive).
  • McCollum, Ian. 2011d. "RP46 LMG." Forgotten Weapons, Last modified January 10, 2011. Website (Archive).
  • McCollum, Ian. 2018. "RP46 Variations: Russian, North Korean, and US Reproduction." Forgotten Weapons. Last modified July 04, 2018. Website (Archive).
  • McNab, Chris. Soviet Machine Guns of World War II. Oxford, UK: Osprey Publishing.
  • Popenker, Maxim. n.d. "Degtyarov DP DPM RP-46." Modern Firearms. Website (Archive).
  • War Is Boring. 2016 "The DP Machine Gun Looks Funny, But Spilled a Lot of Blood." Medium, A Medium Corporation. Last modified February 23, 2016. Website (Archive).


Tank machine guns
USA 
7.62 mm  M37 · M60D · M73 · M240 · M1919A4 · Mk.52
12.7 mm  FN M3P · M2HB · M80 · M85
Germany 
5.56 mm  MG4
7.62 mm  C6 · MG3A1
7.92 mm  MG13 Dreyse · MG34 · MG37(t) · MG42
12.7 mm  S.MG.50
USSR 
7.62 mm  DT · PKMB · PKT · PKTM · RP-46 · SGMT
12.7 mm  DK · DShK · 6P49 · NSVT
14.5 mm  KPVT
Britain 
7.62 mm  Browning MG4 · L3A1 · L8A1 · L8A2 · L37A1 · L37A2 · L94A1
7.7 mm  Vickers
7.92 mm  BESA
12.7 mm  L21A1
Japan 
6.5 mm  Type 91
7.62 mm  Type 74
7.7 mm  Type 97
12.7 mm  Type 60 (B)
China 
5.8 mm  QJT
7.62 mm  Type 55 · Type 59 · Type 86
12.7 mm  QJC88A · Type 54
14.5 mm  QJG02
Italy 
7.62 mm  Beretta MG42/59 · FN MAG 60-40
8 mm  34/40M · Breda Mod. 38
13.2 mm  Breda Model 31
France 
7.5 mm  AAT-52 · MAC 31
7.62 mm  A-A-F1N
8 mm  Hotchkiss Mle 1914
Sweden 
6.5 mm  ksp m/14-29
7.62 mm  ksp 39 C · ksp 58 · ksp 94
8 mm  ksp m/36 · ksp m/39B
12.7 mm  ksp 88

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