Difference between revisions of "Strv m/42 DT"

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== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
 
<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Swedish medium tank {{Battle-rating}}. It was introduced in [[Update 1.97 "Viking Fury"]]. It is a development of the [[Strv m/42 EH|Strv m/42]] medium tank.
+
The Strv m/42 was introduced during the Second World War as Sweden's primary medium tank. Different versions were developed, however, one of the most experimental ones was the '''Strv m/42 DT''' (''Delat Torn''; "split turret"). Unlike most designs of the time, the new variant used a new turret, with a 75 mm gun and an autoloader. The name comes from the fact that the autoloader forced the turret to be split in half. In 1944, a mockup was made, with a prototype constructed in 1945, however after being tested in different trials in 1946 the design was considered unsuccessful and the project was canceled.
 +
 
 +
It was introduced in [[Update 1.97 "Viking Fury"]]. The Strv m/42 DT's most important asset is the reload rate, which can be as low as 3 seconds. The best round available is an APCBC shell that features similar penetration and explosive filler values to other rounds at its rank. The armour is almost non-existent, comparable more to a light tank, and the autoloader makes the tank more vulnerable to ammo detonations, since the ammo racks are more exposed. However, the tank has still a decent mobility to the point it can be used to flank, and the gun depression is also good at -10 degrees.
  
 
== General info ==
 
== General info ==
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{{Specs-Tank-Armour}}
 
{{Specs-Tank-Armour}}
 
<!-- ''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.'' -->
 
<!-- ''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.'' -->
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The hull of the Delat Torn is identical to that of its predecessor, the [[Strv m/42 EH]]. While decent for its BR on the earlier tank, the hull armour is no longer good against the bigger guns that the Delat Torn faces.
+
The hull of the Strv m/42 DT is identical to that of its predecessor, the [[Strv m/42 EH]]. While decent for its BR on the earlier tank, the hull armour is no longer good against the bigger guns that the Strv m/42 DT faces.
 +
 
 +
However, the Strv m/42 DT also sports a new turret to house the more powerful gun. The turret front is 60 mm thick, and the right side and area around the main gun is an angled flat plate. While not very thick, it is capable of ricocheting some rounds if the effective angle is increased using the excellent gun depression of the Strv m/42 DT. The left side housing the machine gun is rounded and is a weakspot when hull-down.
 +
 
 +
It is important to note that the turret has an open rear that exposes the crew to machine gun fire and shrapnel.  It is also a considerably bigger target than the Strv m/42's turret. Most importantly, the gun autoloader is poking out of the turret and can be easily damaged by any aircraft, which is arguably even worse than losing a crew member.
  
−
However, the Delat Torn also sports a new turret to house the more powerful gun. The turret front is 60 mm thick, and the right side and area around the main gun is an angled flat plate. While not very thick, it is capable of ricocheting some rounds if the effective angle is increased using the excellent gun depression of the Delat Torn. The left side housing the machine gun is rounded and is a weakspot when hull-down.
+
Close artillery misses won't destroy this tank, but any direct hit to the turret's roof will penetrate and decimate the entire crew. HEAT hits on the turret front won't result in overpressure damage.
  
−
It is important to note that the turret has an open rear that exposes the crew to machine gun fire and shrapnel. It is also a considerably bigger target than the Strv m/42's turret.
+
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
 +
<!-- Example: * Rolled homogeneous armour (Front, Side, Rear, Hull roof)
 +
* Cast homogeneous armour (Turret, Transmission area) -->
 +
 
 +
{| class="wikitable"
 +
|-
 +
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 +
|-
 +
| Hull || ___ mm || ___ mm ''Top'' <br> ___ mm ''Bottom'' || ___ mm || ___ - ___ mm
 +
|-
 +
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
 +
|-
 +
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
 +
|-
 +
|}
 +
 
 +
'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
 +
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
  
 
=== Mobility ===
 
=== Mobility ===
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<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
 
<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
  
−
{{tankMobility|abMinHp= 635|rbMinHp= 363}}
+
{{tankMobility|abMinHp=635|rbMinHp=363}}
  
−
Unsurprisingly, the mobility of the Delat Torn is very similar to that of the Strv m/42. It can reach a respectable top speed and will usually be able to keep up with most advances, but suffers from a low reverse speed of about 5 km/h that makes it harder to back up from hull-down positions or into cover.
+
Unsurprisingly, the mobility of the Strv m/42 DT is very similar to that of the Strv m/42. It can reach a respectable top speed and will usually be able to keep up with most advances, but suffers from a low reverse speed of about 5 km/h that makes it harder to back up from hull-down positions or into cover.
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
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{{main|pvkan m/43 (75 mm)}}
 
{{main|pvkan m/43 (75 mm)}}
  
−
The Delat Torn is armed with the same '''7,5 cm pvkan m/43''' used by the [[Pvkv m/43 (1946)|Pvkv m/43]] tank destroyer. However, on the Delat Torn, the gun is fed by a special semi-automatic loader with a four-round clip (similar to the Japanese [[Chi-Ri II|Chi-Ri]] medium tank), allowing for a fast five-round burst (including one pre-loaded in the gun barrel) after which the gun must be reloaded manually. As is usual for Swedish vehicles, the turret provides for an excellent 10° of gun depression, though gun elevation is limited to only 12°.
+
The Strv m/42 DT is armed with the same 7,5 cm pvkan m/43 used by the [[Pvkv m/43 (1946)|Pvkv m/43]] tank destroyer. However, on the Strv m/42 DT, the gun is fed by a special semi-automatic loader with a four-round clip (similar to the Japanese [[Chi-Ri II|Chi-Ri]] medium tank), allowing for a fast five-round burst (including one pre-loaded in the gun barrel) after which the gun must be reloaded manually.
  
−
The Delat Torn starts with the rather underwhelming stock '''slpprj m/41''' uncapped AP shot, which has no explosive filler. However, at Rank IV the excellent '''slpgr m/43''' APCBC shell becomes available. Not only does it ricochet less than the stock AP, has a higher muzzle velocity, and has better penetration, it also has a lethal 110 g TNT filler that is devastating when it penetrates.
+
With the autoloader, the reload takes from 3.9 to 3 seconds, which otherwise would take around 8-6 seconds. This allows the tank to swap between kinetic and HE shells on the fly and to sometimes reload before enemy drives out of cover to retaliate.
 +
 
 +
As is usual for Swedish vehicles, the turret provides for decent gun depression an -10° , though gun elevation is limited to only +12°, which stops the tank from fighting when charging down or along the side of a hill. The gun stabilizes rather quickly as long as the targeting skill of the crew is maxed out and tank isn't driving over rough terrain.
 +
 
 +
On a capture point, each spent shell is restocked in about 5.5 seconds. This is important to keep in mind, as the semi-auto loader rearms extremely slowly, forcing the tank to not fire for 25 seconds after the last shot for the first shell to be loaded and another 18 for each next one. Restocking the autoloader magazine on a capture point circumvents this and reloads the autoloader faster, which might allow to repel more tanks than normal.
  
 
Note that the gun breech is rather large and takes up a lot of room in the turret, thus a turret penetration is likely to also result in a damaged breech.
 
Note that the gun breech is rather large and takes up a lot of room in the turret, thus a turret penetration is likely to also result in a damaged breech.
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|-
 
|-
 
! ''Arcade''
 
! ''Arcade''
−
| rowspan="2" | 42 || rowspan="2" | -10°/+12° || rowspan="2" | ±180° || rowspan="2" | N/A || 14.3 || __._ || __._ || __._ || __._ || rowspan="2" | 3.9 || rowspan="2" | _._ || rowspan="2" | _._ || rowspan="2" | _._
+
| rowspan="2" | 42 || rowspan="2" | -10°/+12° || rowspan="2" | ±180° || rowspan="2" | N/A || 14.3 || 19.8 || 24.0 || 26.5 || 28.2 || rowspan="2" | 3.90 || rowspan="2" | 3.45 || rowspan="2" | 3.18 || rowspan="2" | 3.00
 
|-
 
|-
 
! ''Realistic''
 
! ''Realistic''
−
| 8.9 || __._ || __._ || __._ || __._
+
| 8.9 || 10.5 || 12.8 || 14.1 || 15.0
 
|-
 
|-
 
|}
 
|}
  
 
==== Ammunition ====
 
==== Ammunition ====
−
{| class="wikitable sortable" style="text-align:center" width="100%"
+
{{:pvkan m/43 (75 mm)/Ammunition|slpprj m/41, sgr m/38, slpgr m/43}}
−
! colspan="8" | Penetration statistics
+
 
−
|-
+
The Strv m/42 DT starts with the rather underwhelming stock '''slpprj m/41''' uncapped AP shot, which has no explosive filler. However, at Rank IV the excellent '''slpgr m/43''' APCBC shell becomes available. Not only does it ricochet less than the stock AP, has a higher muzzle velocity, and has better penetration, it also has a lethal 110 g TNT filler that is devastating when it penetrates.
−
! rowspan="2" data-sort-type="text" | Ammunition
+
 
−
! rowspan="2" | Type of<br>warhead
+
The penetration of kinetic shells is not very good for a tank of this BR, but the Strv m/42 DT is quite tall and at close to medium range it can negate enemy angled armour with that alone.
−
! colspan="6" | '''Penetration @ 0° Angle of Attack (mm)'''
+
 
−
|-
+
The '''sgr m/38''' is not to be ignored, as there are a lot of open-topped SPG at the rank, which are difficult to take out with kinetic ammunition, but will definitely fail to reload before HE is fired at them, should they survive the first shot.
−
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 
−
|-
 
−
| sgr m/38 || HE || 10 || 10 || 10 || 10 || 10 || 10
 
−
|-
 
−
| slpgr m/43 || APCBC || 149 || 146 || 132 || 116 || 102 || 89
 
−
|-
 
−
| slpprj m/41 || AP || 139 || 136 || 121 || 104 || 90 || 78
 
−
|-
 
−
|}
 
−
{| class="wikitable sortable" style="text-align:center" width="100%"
 
−
! colspan="10" | Shell details
 
−
|-
 
−
! rowspan="2" data-sort-type="text" | Ammunition
 
−
! rowspan="2" | Type of<br>warhead
 
−
! rowspan="2" | Velocity<br>(m/s)
 
−
! rowspan="2" | Projectile<br>Mass (kg)
 
−
! rowspan="2" | Fuse delay<br>(m)
 
−
! rowspan="2" | Fuse sensitivity<br>(mm)
 
−
! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
 
−
! colspan="3" | Ricochet
 
−
|-
 
−
! 0% !! 50% !! 100%
 
−
|-
 
−
| sgr m/38 || HE || 840 || 6.43 || 0.4 || 0.5 || 690 || 79° || 80° || 81°
 
−
|-
 
−
| slpgr m/43 || APCBC || 890 || 6.0 || 1.2 || 14.0 || 110 || 48° || 63° || 71°
 
−
|-
 
−
| slpprj m/41 || AP || 815 || 6.63 || N/A || N/A || N/A || 47° || 60° || 65°
 
−
|-
 
−
|}
 
  
 
==== [[Ammo racks]] ====
 
==== [[Ammo racks]] ====
−
<!-- [[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]] -->
+
[[File:Ammoracks Strv m_42 DT.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
 +
<!-- '''Last updated:2.5.1.99''' -->
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
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! 5th<br>rack empty
 
! 5th<br>rack empty
 
! 6th<br>rack empty
 
! 6th<br>rack empty
 +
|-
 +
| '''42''' || 40&nbsp;''(+2)'' || 37&nbsp;''(+5)'' || 31&nbsp;''(+11)'' || 25&nbsp;''(+17)'' || 19&nbsp;''(+23)'' || 16&nbsp;''(+26)''
 +
|-
 +
! 7th<br>rack empty
 +
! 8th<br>rack empty
 +
! 9th<br>rack empty
 +
! 10th*<br>rack empty
 +
! 11th*<br>rack empty
 
! Visual<br>discrepancy
 
! Visual<br>discrepancy
 
|-
 
|-
−
| '''42''' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __
+
|| 13&nbsp;''(+29)'' || 9&nbsp;''(+33)'' || 5&nbsp;''(+37)'' || 4&nbsp;''(+38)'' || 1&nbsp;''(+41)'' || No
 
|-
 
|-
 
|}
 
|}
 +
'''Notes''':
  
−
<!--==== [[Optics]] ====
+
* The first-stage ammo racks provide the vehicle with a faster reload but has a small capacity (4 rounds), however the vehicle is also capable of reloading the main gun directly from the other ammo racks.
−
{| class="wikitable" style="text-align:center"
+
* The turret can never be fully empty without depleting the first-stage racks, and the hull can only be empty if you take 5 or less shells
−
! colspan="3" | {{PAGENAME}} Optics
 
−
|-
 
−
!
 
−
! Default magnification
 
−
! Maximum magnification
 
−
|-
 
−
! Main Gun optics
 
−
| x1.8 || x3.5
 
−
|-
 
−
! Comparable optics
 
−
| colspan="2" | ___
 
−
|-
 
−
|}-->
 
  
 
=== Machine guns ===
 
=== Machine guns ===
 
{{Specs-Tank-Weapon|2}}
 
{{Specs-Tank-Weapon|2}}
 +
<!-- ''Offensive and anti-aircraft machine guns not only allow you to fight some aircraft but also are effective against lightly armoured vehicles. Evaluate machine guns and give recommendations on its use.'' -->
 
{{main|ksp m/36 (8 mm)}}
 
{{main|ksp m/36 (8 mm)}}
  
−
''Offensive and anti-aircraft machine guns not only allow you to fight some aircraft but also are effective against lightly armoured vehicles. Evaluate machine guns and give recommendations on its use.''
+
The {{PAGENAME}} has a standard 8 mm coaxial machine gun. While it is slightly bigger in calibre than 7.62 or 7.7 mm MGs met on comparable vehicles, the machine gun lacks penetration power to damage most opponents. Nevertheless the ksp m/36 machine gun can be used against open-topped vehicles. Furthermore, it also has an additional 13 degrees of elevation which can prove useful in engaging enemy planes.
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="5" | [[ksp m/36 (8 mm)|8 mm ksp m/36]]
 
! colspan="5" | [[ksp m/36 (8 mm)|8 mm ksp m/36]]
 
|-
 
|-
−
! Mount
+
! Mount !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal
−
! Capacity<br>(Belt capacity)
 
−
! Rate of fire<br>(shots/minute)
 
−
! Vertical<br>guidance
 
−
! Horizontal<br>guidance
 
 
|-
 
|-
 
| Coaxial || 4,000 (250) || 648 || -10°/+25° || N/A
 
| Coaxial || 4,000 (250) || 648 || -10°/+25° || N/A
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<!-- ''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
 
<!-- ''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
  
−
The Delat Torn's standout feature is an excellent reload rate, which can be as low as 3 seconds. To complement this gun, the Delat Torn is equipped with a stock AP round, and an APCBC shell which has quite good penetration and explosive filler values compared to similarly-sized rounds at this tier.
+
The Strv m/42 DT's standout feature is an excellent reload rate, which can be as low as 3 seconds. To complement this gun, the Strv m/42 DT is equipped with a stock AP round, and an APCBC shell which has reasonable penetration and explosive filler values compared to similarly-sized rounds at this tier. At its best, the gun will easily blast most medium and light tanks, but will struggle with the heavy tanks, so choose your fights accordingly.
  
−
This vehicle is not especially well-armoured. It can often withstand one or two hits, but any more and it will usually be destroyed. Taking high ammunition loads further hampers the tank's survivability, as it makes the chance of an ammunition detonation significant. From the side, a weak armour setup means that autocannons on many anti-air vehicles can penetrate and deal massive damage to internal components.
+
This vehicle is not especially well-armoured. It can often withstand one or two hits, but any more and it will usually be destroyed. Taking high ammunition loads further hampers the tank's survivability, as it makes the chance of an ammunition detonation significant. Additionally, the ammo racks in the front of the hull will almost always have ammo in them, and while they're in a position unlikely to be shot from the front, a shot to the front of the hull from the side can result in an ammo detonation. From the side, a weak armour setup means that autocannons on many anti-air vehicles can penetrate and deal massive damage to internal components. This means, that tank commanders might want to rely on teamwork, much like with the [[Pvkv II]], as either teammates take the hit and leave the enemy exposed to at least two counter shots, or finish the job while the {{PAGENAME}} repairs or disables something else. Either way, with armour this thin, it is necessary to pay attention to enemy flankers.
  
−
The Delat Torn's hull is taken from the earlier [[Strv m/42 EH]], and thanks to an improved engine, is above-average in terms of mobility. When stock, mobility can be sub-par, but once mobility modules have been researched, the tank becomes quite capable in this department. With this mobility, it can acquire ambush positions or act as a viable flanker. (In such situations, the gun's quick reload makes itself very useful; the Delat Torn is able to destroy multiple unsuspecting enemies in quick succession.) One thing to note is that this tank has a poor reverse speed, which can make peeking and firing from behind ridgelines dangerous.
+
The Strv m/42 DT's hull is taken from the earlier [[Strv m/42 EH]], and thanks to an improved engine, is above-average in terms of mobility. When stock, mobility can be sub-par, but once mobility modules have been researched, the tank becomes quite capable in this department. With this level of mobility, it can acquire ambush positions or act as a viable flanker. (In such situations, the gun's quick reload makes itself very useful; the Strv m/42 DT is able to destroy multiple unsuspecting enemies in quick succession.) One thing to note is that this tank has a poor reverse speed, which can make peeking and firing from behind ridgelines dangerous.
  
−
In hull-down positions, this vehicle can use its great gun depression to effectively fire at enemies from behind cover.
+
In hull-down positions, this vehicle can use its great gun depression to effectively fire at enemies from behind cover, but it's best to avoid exploiting it to try and fight over high hills, as it's not as great as on the SPGs and tanks before it.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
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'''Pros:'''
 
'''Pros:'''
  
−
* Excellent reload rate
+
* Excellent reload rate allows to fire twice per normal enemy reload
−
* Great gun depression
+
** Ammunition reload on a capture point loads into the ready-rack almost as fast as the firerate, allowing for consistent rapid fire
−
* Quite mobile
+
* Decent gun depression
−
* Good sight magnification
+
* Mobile enough to flank when spaded
−
* Good APCBC shell with lethal explosive filler
 
 
* Still has a reasonable fire rate when first-stage rack runs out
 
* Still has a reasonable fire rate when first-stage rack runs out
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* Poor stock uncapped AP shot with no explosive filler
+
* Poor stock uncapped AP shot with no explosive filler, and the APHE starts to become inadequate when fighting head-on in uptier
−
* Very long ready-rack reload
+
* Very long ready-rack reload, unless on a capture point
 
* Narrow tracks reduce off-road mobility
 
* Narrow tracks reduce off-road mobility
−
* Poor reverse speed
+
* Poor reverse speed will let most tanks to fire back before it can retreat
 
* Lightly armoured
 
* Lightly armoured
 +
* Poor ammo rack configuration
 
* Large and visible profile
 
* Large and visible profile
 +
* Gun loader and breech can be easily destroyed by an airstrike
  
 
== History ==
 
== History ==
 
<!-- ''Describe the history of the creation and combat usage of the vehicle 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 vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-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>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
 
<!-- ''Describe the history of the creation and combat usage of the vehicle 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 vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-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>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
  
−
In 1944, the Swedish military considered upgunning the [[Strv m/42 EH|Strv m/42]]. They designed a new turret with a new 75 mm gun with an autoloader. The turret was named [[Delat Torn]], which means "split turret" in English. This name comes from the fact that the autoloader would split the turret down the middle into two separate compartments. The gun was set as far back as possible inside the turret in order to reduce how much of the barrel hung out of the turret. In 1944, a mockup was made, with a wooden turret. The prototype was made in 1945, and it was tested throughout 1946. It was found that the design was unsuccessful, and it never entered production or service.
+
In 1944, the Swedish military considered upgunning the [[Strv m/42 EH|Strv m/42]]. They designed a new turret with a new 75 mm gun with an autoloader. The turret was named "Delat Torn", which means "split turret" in English. This name comes from the fact that the autoloader would split the turret down the middle into two separate compartments. The gun was set as far back as possible inside the turret in order to reduce how much of the barrel hung out of the turret. In 1944, a mockup was made, with a wooden turret. The prototype was made in 1945, and it was tested throughout 1946. It was found that the design was unsuccessful, and it never entered production or service.
  
 
== Media ==
 
== Media ==
−
''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.'' -->
 +
 
 +
;Skins
 +
 
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=sw_strv_m42_delat_torn Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Images
 +
<gallery mode="packed-hover" heights="200px">
 +
File:Strv m42 DT Bicolor Winter.jpg| Strv m/42 DT with Bicolor Camouflage
 +
File:Strv m42 DT Quadricolor Summer.jpg|Strv m/42 DT with Quadricolor Summer Camouflage
 +
File:Strv m42 DT Standard.jpg|Strv m/42 DT with Standard Camouflage
 +
File:Strv m42 DT Tricolor Striped.jpg|Strv m/42 DT with Tricolor Striped Camouflage
 +
File:Strv m42 DT Unicolor Winter.jpg|Strv m/42 DT with Unicolor Winter Camouflage
 +
</gallery>
  
 
== See also ==
 
== See also ==
−
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
+
<!--''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 +
* ''reference to the series of the vehicles;''
 +
* ''links to approximate analogues of other nations and research trees.''-->
  
−
* ''reference to the series of the vehicles;''
+
;Related development
−
* ''links to approximate analogues of other nations and research trees.''
+
 
 +
* [[Lago I]]
 +
* [[Strv m/42 EH]]
 +
* [[Ikv 73]]
  
−
== Bibliography ==
+
;Similar Role:
  
−
* David B. (2016, June 2). Stridsvagn m/42. Tank Encyclopedia. https://tanks-encyclopedia.com/ww2/sweden/stridsvagn-m42.php
+
* [[Pz.IV (Family)]]
 +
* [[Chi-Ri II]]
 +
* [[Avenger]]
  
 
== External links ==
 
== External links ==
−
''Paste links to sources and external resources, such as:''
+
<!-- ''Paste links to sources and external resources, such as:''
 +
* ''topic on the official game forum;''
 +
* ''other literature.'' -->
 +
 
 +
=== References ===
 +
 
 +
;Bibliography
  
−
* ''topic on the official game forum;''
+
* David B. (2016, June 2). Stridsvagn m/42. Tank Encyclopedia. https://tanks-encyclopedia.com/ww2/sweden/stridsvagn-m42.php
−
* ''encyclopedia page on the tank;''
 
−
* ''other literature.''
 
  
 +
{{TankManufacturer AB Landsverk}}
 
{{Sweden medium tanks}}
 
{{Sweden medium tanks}}

Revision as of 19:00, 1 May 2024

Introducing Wiki 3.0
Strv m/42 DT
sw_strv_m42_delat_torn.png
GarageImage Delat Torn.jpg
Strv m/42 DT
Sweden flag.png Sweden
III Rank
Battle rating:
AB RB SB
5.0 5.0 5.0
Class:
Research:33 000 Specs-Card-Exp.png
Purchase:105 000 Specs-Card-Lion.png

Description

The Strv m/42 was introduced during the Second World War as Sweden's primary medium tank. Different versions were developed, however, one of the most experimental ones was the Strv m/42 DT (Delat Torn; "split turret"). Unlike most designs of the time, the new variant used a new turret, with a 75 mm gun and an autoloader. The name comes from the fact that the autoloader forced the turret to be split in half. In 1944, a mockup was made, with a prototype constructed in 1945, however after being tested in different trials in 1946 the design was considered unsuccessful and the project was canceled.

It was introduced in Update 1.97 "Viking Fury". The Strv m/42 DT's most important asset is the reload rate, which can be as low as 3 seconds. The best round available is an APCBC shell that features similar penetration and explosive filler values to other rounds at its rank. The armour is almost non-existent, comparable more to a light tank, and the autoloader makes the tank more vulnerable to ammo detonations, since the ammo racks are more exposed. However, the tank has still a decent mobility to the point it can be used to flank, and the gun depression is also good at -10 degrees.

General info

Survivability and armour

Armourfront / side / back
Hull55 / 30 / 20
Turret60 / 30 / 30
Crew4 people
Visibility97 %

The hull of the Strv m/42 DT is identical to that of its predecessor, the Strv m/42 EH. While decent for its BR on the earlier tank, the hull armour is no longer good against the bigger guns that the Strv m/42 DT faces.

However, the Strv m/42 DT also sports a new turret to house the more powerful gun. The turret front is 60 mm thick, and the right side and area around the main gun is an angled flat plate. While not very thick, it is capable of ricocheting some rounds if the effective angle is increased using the excellent gun depression of the Strv m/42 DT. The left side housing the machine gun is rounded and is a weakspot when hull-down.

It is important to note that the turret has an open rear that exposes the crew to machine gun fire and shrapnel. It is also a considerably bigger target than the Strv m/42's turret. Most importantly, the gun autoloader is poking out of the turret and can be easily damaged by any aircraft, which is arguably even worse than losing a crew member.

Close artillery misses won't destroy this tank, but any direct hit to the turret's roof will penetrate and decimate the entire crew. HEAT hits on the turret front won't result in overpressure damage.

Armour type:

Armour Front (Slope angle) Sides Rear Roof
Hull ___ mm ___ mm Top
___ mm Bottom 		___ mm ___ - ___ mm
Turret ___ - ___ mm Turret front
___ mm Gun mantlet 		___ - ___ mm ___ - ___ mm ___ - ___ mm
Cupola ___ mm ___ mm ___ mm ___ mm

Notes:

Mobility

Speedforward / back
AB51 / 7 km/h
RB and SB46 / 7 km/h
Number of gears6 forward
1 back
Weight23.5 t
Engine power
AB782 hp
RB and SB410 hp
Power-to-weight ratio
AB33.3 hp/t
RB and SB17.4 hp/t
Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 51 7 23.5 635 782 27.02 33.28
Realistic 46 7 363 410 15.45 17.45

Unsurprisingly, the mobility of the Strv m/42 DT is very similar to that of the Strv m/42. It can reach a respectable top speed and will usually be able to keep up with most advances, but suffers from a low reverse speed of about 5 km/h that makes it harder to back up from hull-down positions or into cover.

Modifications and economy

Repair costBasic → Reference
AB1 248 → 1 606 Sl icon.png
RB1 473 → 1 895 Sl icon.png
SB1 877 → 2 415 Sl icon.png
Total cost of modifications29 900 Rp icon.png
58 400 Sl icon.png
Talisman cost1 200 Ge icon.png
Crew training30 000 Sl icon.png
Experts105 000 Sl icon.png
Aces470 Ge icon.png
Research Aces360 000 Rp icon.png
Reward for battleAB / RB / SB
80 / 120 / 140 % Sl icon.png
148 / 148 / 148 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
2 000 Rp icon.png
Cost:
3 900 Sl icon.png
135 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
1 700 Rp icon.png
Cost:
3 300 Sl icon.png
115 Ge icon.png
Mods new tank break.png
Brake System
Research:
1 700 Rp icon.png
Cost:
3 300 Sl icon.png
115 Ge icon.png
Mods new tank filter.png
Filters
Research:
2 500 Rp icon.png
Cost:
4 900 Sl icon.png
170 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
2 400 Rp icon.png
Cost:
4 700 Sl icon.png
165 Ge icon.png
Mods new tank engine.png
Engine
Research:
2 400 Rp icon.png
Cost:
4 700 Sl icon.png
165 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
2 000 Rp icon.png
Cost:
3 900 Sl icon.png
135 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
1 700 Rp icon.png
Cost:
3 300 Sl icon.png
115 Ge icon.png
Mods tank reinforcement sw.png
Crew Replenishment
Research:
2 500 Rp icon.png
Cost:
4 900 Sl icon.png
170 Ge icon.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
2 000 Rp icon.png
Cost:
3 900 Sl icon.png
135 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
1 700 Rp icon.png
Cost:
3 300 Sl icon.png
115 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
2 500 Rp icon.png
Cost:
4 900 Sl icon.png
170 Ge icon.png
Mods art support.png
Artillery Support
Research:
2 400 Rp icon.png
Cost:
4 700 Sl icon.png
165 Ge icon.png
Mods tank ammo.png
75mm_sw_kan_APCBC_ammo_pack
Research:
2 400 Rp icon.png
Cost:
4 700 Sl icon.png
165 Ge icon.png

Armaments

Main armament

75 mm Pvkan m/43 cannon
Ammunition42 rounds
First-order4 rounds
Reloadbasic crew → aces
3.9 → 3.0 s
Vertical guidance-10° / 12°
Main article: pvkan m/43 (75 mm)

The Strv m/42 DT is armed with the same 7,5 cm pvkan m/43 used by the Pvkv m/43 tank destroyer. However, on the Strv m/42 DT, the gun is fed by a special semi-automatic loader with a four-round clip (similar to the Japanese Chi-Ri medium tank), allowing for a fast five-round burst (including one pre-loaded in the gun barrel) after which the gun must be reloaded manually.

With the autoloader, the reload takes from 3.9 to 3 seconds, which otherwise would take around 8-6 seconds. This allows the tank to swap between kinetic and HE shells on the fly and to sometimes reload before enemy drives out of cover to retaliate.

As is usual for Swedish vehicles, the turret provides for decent gun depression an -10° , though gun elevation is limited to only +12°, which stops the tank from fighting when charging down or along the side of a hill. The gun stabilizes rather quickly as long as the targeting skill of the crew is maxed out and tank isn't driving over rough terrain.

On a capture point, each spent shell is restocked in about 5.5 seconds. This is important to keep in mind, as the semi-auto loader rearms extremely slowly, forcing the tank to not fire for 25 seconds after the last shot for the first shell to be loaded and another 18 for each next one. Restocking the autoloader magazine on a capture point circumvents this and reloads the autoloader faster, which might allow to repel more tanks than normal.

Note that the gun breech is rather large and takes up a lot of room in the turret, thus a turret penetration is likely to also result in a damaged breech.

75 mm pvkan m/43 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 42 -10°/+12° ±180° N/A 14.3 19.8 24.0 26.5 28.2 3.90 3.45 3.18 3.00
Realistic 8.9 10.5 12.8 14.1 15.0

Ammunition

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
slpprj m/41 AP 139 136 121 104 90 78
sgr m/38 HE 18 17 16 14 13 12
slpgr m/43 APCBC 149 146 132 116 102 89
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%
slpprj m/41 AP 815 6.63 - - - 47° 60° 65°
sgr m/38 HE 840 6.43 0.2 0.1 690 79° 80° 81°
slpgr m/43 APCBC 890 6 1.2 14 110 48° 63° 71°

The Strv m/42 DT starts with the rather underwhelming stock slpprj m/41 uncapped AP shot, which has no explosive filler. However, at Rank IV the excellent slpgr m/43 APCBC shell becomes available. Not only does it ricochet less than the stock AP, has a higher muzzle velocity, and has better penetration, it also has a lethal 110 g TNT filler that is devastating when it penetrates.

The penetration of kinetic shells is not very good for a tank of this BR, but the Strv m/42 DT is quite tall and at close to medium range it can negate enemy angled armour with that alone.

The sgr m/38 is not to be ignored, as there are a lot of open-topped SPG at the rank, which are difficult to take out with kinetic ammunition, but will definitely fail to reload before HE is fired at them, should they survive the first shot.

Ammo racks

Ammo racks of the Strv m/42 DT
Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		5th
rack empty 		6th
rack empty
42 40 (+2) 37 (+5) 31 (+11) 25 (+17) 19 (+23) 16 (+26)
7th
rack empty 		8th
rack empty 		9th
rack empty 		10th*
rack empty 		11th*
rack empty 		Visual
discrepancy
13 (+29) 9 (+33) 5 (+37) 4 (+38) 1 (+41) No

Notes:

  • The first-stage ammo racks provide the vehicle with a faster reload but has a small capacity (4 rounds), however the vehicle is also capable of reloading the main gun directly from the other ammo racks.
  • The turret can never be fully empty without depleting the first-stage racks, and the hull can only be empty if you take 5 or less shells

Machine guns

8 mm ksp m/36 machine gun (coaxial)
Ammunition4 000 rounds
Belt capacity250 rounds
Reloadbasic crew → aces
10.4 → 8.0 s
Fire rate649 shots/min
Main article: ksp m/36 (8 mm)

The Strv m/42 DT has a standard 8 mm coaxial machine gun. While it is slightly bigger in calibre than 7.62 or 7.7 mm MGs met on comparable vehicles, the machine gun lacks penetration power to damage most opponents. Nevertheless the ksp m/36 machine gun can be used against open-topped vehicles. Furthermore, it also has an additional 13 degrees of elevation which can prove useful in engaging enemy planes.

8 mm ksp m/36
Mount Capacity (Belt) Fire rate Vertical Horizontal
Coaxial 4,000 (250) 648 -10°/+25° N/A

Usage in battles

The Strv m/42 DT's standout feature is an excellent reload rate, which can be as low as 3 seconds. To complement this gun, the Strv m/42 DT is equipped with a stock AP round, and an APCBC shell which has reasonable penetration and explosive filler values compared to similarly-sized rounds at this tier. At its best, the gun will easily blast most medium and light tanks, but will struggle with the heavy tanks, so choose your fights accordingly.

This vehicle is not especially well-armoured. It can often withstand one or two hits, but any more and it will usually be destroyed. Taking high ammunition loads further hampers the tank's survivability, as it makes the chance of an ammunition detonation significant. Additionally, the ammo racks in the front of the hull will almost always have ammo in them, and while they're in a position unlikely to be shot from the front, a shot to the front of the hull from the side can result in an ammo detonation. From the side, a weak armour setup means that autocannons on many anti-air vehicles can penetrate and deal massive damage to internal components. This means, that tank commanders might want to rely on teamwork, much like with the Pvkv II, as either teammates take the hit and leave the enemy exposed to at least two counter shots, or finish the job while the Strv m/42 DT repairs or disables something else. Either way, with armour this thin, it is necessary to pay attention to enemy flankers.

The Strv m/42 DT's hull is taken from the earlier Strv m/42 EH, and thanks to an improved engine, is above-average in terms of mobility. When stock, mobility can be sub-par, but once mobility modules have been researched, the tank becomes quite capable in this department. With this level of mobility, it can acquire ambush positions or act as a viable flanker. (In such situations, the gun's quick reload makes itself very useful; the Strv m/42 DT is able to destroy multiple unsuspecting enemies in quick succession.) One thing to note is that this tank has a poor reverse speed, which can make peeking and firing from behind ridgelines dangerous.

In hull-down positions, this vehicle can use its great gun depression to effectively fire at enemies from behind cover, but it's best to avoid exploiting it to try and fight over high hills, as it's not as great as on the SPGs and tanks before it.

Pros and cons

Pros:

  • Excellent reload rate allows to fire twice per normal enemy reload
    • Ammunition reload on a capture point loads into the ready-rack almost as fast as the firerate, allowing for consistent rapid fire
  • Decent gun depression
  • Mobile enough to flank when spaded
  • Still has a reasonable fire rate when first-stage rack runs out

Cons:

  • Poor stock uncapped AP shot with no explosive filler, and the APHE starts to become inadequate when fighting head-on in uptier
  • Very long ready-rack reload, unless on a capture point
  • Narrow tracks reduce off-road mobility
  • Poor reverse speed will let most tanks to fire back before it can retreat
  • Lightly armoured
  • Poor ammo rack configuration
  • Large and visible profile
  • Gun loader and breech can be easily destroyed by an airstrike

History

In 1944, the Swedish military considered upgunning the Strv m/42. They designed a new turret with a new 75 mm gun with an autoloader. The turret was named "Delat Torn", which means "split turret" in English. This name comes from the fact that the autoloader would split the turret down the middle into two separate compartments. The gun was set as far back as possible inside the turret in order to reduce how much of the barrel hung out of the turret. In 1944, a mockup was made, with a wooden turret. The prototype was made in 1945, and it was tested throughout 1946. It was found that the design was unsuccessful, and it never entered production or service.

Media

Skins
Images

  • Strv m/42 DT with Bicolor Camouflage

  • Strv m/42 DT with Quadricolor Summer Camouflage

  • Strv m/42 DT with Standard Camouflage

  • Strv m/42 DT with Tricolor Striped Camouflage

  • Strv m/42 DT with Unicolor Winter Camouflage

See also

Related development
Similar Role

External links

References

Bibliography


AB Landsverk
Light Tanks 
L-10  Strv m/31
L-60  Strv m/38 · Strv m/39 · Strv m/40L
Pbil m/40  Pbil m/40
Strv 74  Strv 74
Unimog 404  U-SH 405
Medium Tanks 
Lago  Lago I · Strv m/42 EH · Ikv 73 · Strv m/42 DT
Tank Destroyers 
Ikv 72  Ikv 72 · Ikv 103
Pvkv m/43  Pvkv m/43 (1946) · Pvkv m/43 (1963)
Pvkv II/III  Pvkv II · Pvkv III
SPAA  Pvlvv fm/42 · L-62 ANTI II

Sweden medium tanks
Strv m/42  Lago I · Strv m/42 EH · Ikv 73 · Strv m/42 DT · Pvkv IV
Centurion derivatives  Strv 81 · Strv 81 (RB 52) · Strv 101 · Strv 104 · Strv 105
Strv 103  Strv 103-0 · Strv 103A · Strv 103С
Strv 121/122  Strv 121 · Christian II · Strv 122A · Strv 122B PLSS · Strv 122B+
Other  Sherman III/IV · T 80 U
Finland 
WWII  ▄T-28 · ▄T-34 · ▄Pz.IV · ▄T-34-85
Post War  ▄Comet I · ▄Charioteer Mk VII · ▄T-54 · ▄T-55M · ▄T-72M1 · ▄Leopard 2A4 · ▄Leopard 2A6
Norway  Leopard 1A5NO2

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