Difference between revisions of "STB-2"

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== Description ==
 
== Description ==
−
''In the description, the first part needs to 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 the screenshot of the vehicle. If the novice player does not remember the vehicle by name, they will immediately understand what kind of vehicle it is talking about.''
+
<!--''In the description, the first part needs to 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 the screenshot of the vehicle. If the novice player does not remember the vehicle by name, they will immediately understand what kind of vehicle it is talking about.''-->
 +
The '''{{specs|name}}''' is a Rank {{specs|rank}} Japanese medium tank {{Battle-rating|1}}. It was introduced along with the entire Japanese Ground Forces tree in [[Update_1.65_"Way_of_the_Samurai"|Update 1.65 "Way of the Samurai"]]. The prototype of the [[Type 74]], the STB-1 presents many features that would be in the final design.
 +
 
 +
The STB-1 is the first researchable tank in Japan's Ground Forces Rank V. Despite having considerable more armour than its comparable counterparts the Leopard 1 and Leopard A1A1, as well as comparable mobility, it is not recommended as a front-line tank like the 'Allied' counterparts. Instead, a cautious hit-and-run tactic like the Leopards should always be employed. Using the tank's [[hydropneumatic suspension]] correctly can help with the tank's depression, and in some cases, aid in survivability. Do note that the L7 on this tank reloads significantly longer than other L7-equipped tanks.
 +
 
 +
The STB-1 is unique among being one of the only Japanese tanks that can take a hit, like the Type 4 Chi-To Late and Type 5 Ho-Ri Production. It has thick frontal hull armour that can bounce shots effectively, but should not be relied on. The tank is quite fast and is further aided by the Hydropneumatic suspension, which allows this tank to manoeuvre the battlefield much like a Leopard, however the abundance of larger, more open maps at higher ranks means that getting from point A to B - and not getting shot - is not a simple as it sounds.
  
 
== General info ==
 
== General info ==
 
=== Survivability and armour ===
 
=== Survivability and 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 helpfull for survival in combat?''
+
<!--''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 helpfull for survival in combat?''
  
−
''If necessary use a visual template to indicate the most secure and weak zones of the armour.''
+
''If necessary use a visual template to indicate the most secure and weak zones of the armour.''-->
 +
{| class="wikitable"
 +
|-
 +
! Armour !! Front !! Sides !! Rear !! Roof
 +
|-
 +
| Hull || 40-80 mm (64-73°) ''Front glacis'' <br> 100 (26°), 80 mm (58-66°)''Lower glacis'' || 35-40 mm (44°) ''Top'' <br> 40 mm (0-55°) ''Bottom'' || 25 mm (1-46°)  || 20 mm
 +
|-
 +
| Turret || 132 mm (12-66°) ''Turret front'' <br> 100-200 mm (1-66°) ''Gun mantlet'' || 132 mm (1-54°) <br> 75 mm (26-61°) ''Rear'' || 40 mm (1-64°) <br> 40 mm (36-82°) ''Turret underside''|| 67 mm ''Front'' <br> 20 mm ''Rear''
 +
|-
 +
! Armour !! Sides !! Roof
 +
|-
 +
| Cupola || 30 mm || 30 mm
 +
|-
 +
|}
 +
'''Notes:'''
 +
* Suspension wheels and tracks are 20 mm thick.
 +
* Driver's vision port on the front glacis are only 50 mm thick.
 +
* Hull roof is rated to be 54 mm effective against HE.
  
 
=== Mobility ===
 
=== Mobility ===
−
''Write about the mobility of the ground vehicle. Estimate the specific power and maneuverability as well as the maximum speed forward and backward.''
+
<!--''Write about the mobility of the ground vehicle. Estimate the specific power and maneuverability as well as the maximum speed forward and backward.''-->
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
!colspan="3" | Mobility characteristic
 +
|-
 +
! Weight (tons)
 +
!colspan="1" | Add-on Armour<br>weight (tons)
 +
!colspan="1" | Max speed (km/h)
 +
|-
 +
|rowspan="2" | 37.8 || colspan="1" rowspan="2" | N/A || colspan="1" | 59 (AB)
 +
|-
 +
|53 (RB/SB)
 +
|-
 +
!colspan="3" | Engine power (horsepower)
 +
|-
 +
!colspan="1" | Mode
 +
!Stock
 +
!Upgraded
 +
|-
 +
|''Arcade''
 +
|1,162
 +
|____
 +
|-
 +
|''Realistic/Simulator''
 +
|663
 +
|____
 +
|-
 +
!colspan="3" | Power-to-weight ratio (hp/ton)
 +
|-
 +
!colspan="1" | Mode
 +
!Stock
 +
!Upgraded
 +
|-
 +
|''Arcade''
 +
|30.74
 +
|__.__
 +
|-
 +
|''Realistic/Simulator''
 +
|17.54
 +
|__.__
 +
|-
 +
|}
  
 
== Armaments ==
 
== Armaments ==
 
=== Main armament ===
 
=== Main armament ===
−
''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibilty of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.''
+
<!--''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibilty of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.''-->
 +
{{main|L7A3 (105 mm)}}
 +
 
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! colspan="6" | [[L7A3 (105 mm)|105 mm L7A3]]
 +
|-
 +
! colspan="3" rowspan="1" style="width:5em" |Capacity
 +
! rowspan="1" | Vertical <br> guidance
 +
! rowspan="1" | Horizontal <br> guidance
 +
! rowspan="1" | Stabilizer
 +
|-
 +
| colspan="3" | 50 || -6°/+9° || ±180° || Two-plane
 +
|-
 +
! colspan="6" | Turret rotation speed (°/s)
 +
|-
 +
! style="width:4em" |Mode
 +
! style="width:4em" |Stock
 +
! style="width:4em" |Upgraded
 +
! style="width:4em" |Prior + Full crew
 +
! style="width:4em" |Prior + Expert qualif.
 +
! style="width:4em" |Prior + Ace qualif.
 +
|-
 +
| ''Arcade'' || 22.85 || __.__ || __.__ || __.__ || __.__
 +
|-
 +
| ''Realistic'' || 14.28 || 16.8 || 20.4 || __.__ || __.__
 +
|-
 +
! colspan="4" | Reloading rate (seconds)
 +
|-
 +
! colspan="1" style="width:4em" |Stock
 +
! colspan="1" style="width:4em" |Prior + Full crew
 +
! colspan="1" style="width:4em" |Prior + Expert qualif.
 +
! colspan="1" style="width:4em" |Prior + Ace qualif.
 +
|-
 +
| 10.8 || 9.6 || __.__ || __.__
 +
|-
 +
|}
 +
 
 +
===== Ammunition =====
 +
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="8" | Penetration statistics
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! rowspan="2" class="unsortable" | Type of <br /> warhead
 +
! colspan="6" | '''Penetration''' '''''in mm''''' '''@ 90°'''
 +
|-
 +
! 10m
 +
! 100m
 +
! 500m
 +
! 1000m
 +
! 1500m
 +
! 2000m
 +
|-
 +
| M392A2 || APDS || 303 || 302 || 296 || 277 || 257 || 252
 +
|-
 +
| M393 || HESH || 127 || 127 || 127 || 127 || 127 || 127
 +
|-
 +
| M456 || HEATFS || 400 || 400 || 400 || 400 || 400 || 400
 +
|-
 +
|}
 +
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="11" | Shell details
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! rowspan="2" class="unsortable" | Type of <br /> warhead
 +
! rowspan="2" |Velocity <br /> in m/s
 +
! rowspan="2" |Projectile<br />Mass in kg
 +
! rowspan="2" | ''Fuse delay''
 +
''in m:''
 +
! rowspan="2" | ''Fuse sensitivity''
 +
''in mm:''
 +
! rowspan="2" | ''Explosive Mass in g<br /> (TNT equivalent):''
 +
! rowspan="2" | ''Normalization At 30° <br> from horizontal:''
 +
! colspan="3" | ''Ricochet:''
 +
|-
 +
! 0%
 +
! 50%
 +
! 100%
 +
|-
 +
| M392A2 || APDS || 1,478 || 5.8 || N/A || N/A || N/A || +1.5° || 75° || 78° || 80°
 +
|-
 +
| M393 || HESH || 730 || 15 || 0.4 || 0.1 || 4,310 || +0° || 73° || 77° || 80°
 +
|-
 +
| M456 || HEATFS || 1,173 || 11 || 0.0 || 0.1 || 1,270 || +0° || 65° || 72° || 75°
 +
|-
 +
|}
 +
 
 +
===== [[Ammo racks|Ammo racks]] =====
 +
{| class="wikitable sortable" style="text-align:center"
 +
|-
 +
! class="wikitable unsortable" |Full<br /> ammo
 +
! class="wikitable unsortable" |1st<br />  rack empty
 +
! class="wikitable unsortable" |2nd<br />  rack empty
 +
! class="wikitable unsortable" |3rd<br />  rack empty
 +
! class="wikitable unsortable" |4th<br />  rack empty
 +
! class="wikitable unsortable" |Visual<br /> discrepancy
 +
|-
 +
|| '''50''' || 44&nbsp;''(+6)'' || 16&nbsp;''(+34)'' || 10&nbsp;''(+40)'' || 1&nbsp;''(+49)'' || style="text-align:left" | No
 +
|-
 +
|}
  
−
=== Additional armament ===
+
Hull floor empty: 44&nbsp;''(+6)''
−
''Some tanks are armed with several guns in one or more turrets. Evaluate the additional weaponry and give advice on its use. Describe the ammunition available for additional weaponry. Give advice on how to use them and how to fill the ammunition storage. If there is no additional weaponry remove this subsection.''
 
  
 
=== Machine guns ===
 
=== Machine guns ===
−
''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.''
+
<!--''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|Browning M2 (12.7 mm)|Browning (7.62 mm)}}
 +
 
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! colspan="7" | [[Browning M2 (12.7 mm)|12.7 mm M2HB]]
 +
|-
 +
! colspan="7" | ''Pintle mount''
 +
|-
 +
! colspan="4" rowspan="1" style="width:5em" |Capacity (Belt capacity)
 +
! rowspan="1" | Fire rate <br> (shots/minute)
 +
! rowspan="1" | Vertical <br> guidance
 +
! rowspan="1" | Horizontal <br> guidance
 +
|-
 +
| colspan="4" | 660 (200) || 577 || -10°/+40° || ±180°
 +
|-
 +
|}
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! colspan="7" | [[Browning (7.62 mm)|7.62 mm M1919A4]]
 +
|-
 +
! colspan="7" | ''Coaxial mount''
 +
|-
 +
! colspan="4" rowspan="1" style="width:5em" |Capacity (Belt capacity)
 +
! rowspan="1" | Fire rate <br> (shots/minute)
 +
! rowspan="1" | Vertical <br> guidance
 +
! rowspan="1" | Horizontal <br> guidance
 +
|-
 +
| colspan="4" | 4,500 (250) || 500 || N/A || N/A
 +
|-
 +
|}
  
 
== Usage in the battles ==
 
== Usage in the battles ==
Line 27: Line 218:
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
''Summarize and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Do not use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they have a substitution in the form of softer "inadequate", "effective".''
+
<!--''Summarize and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Do not use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they have a substitution in the form of softer "inadequate", "effective".''-->
−
 
 
 
'''Pros:'''
 
'''Pros:'''
−
*
+
* Highly mobile, comparable to the German [[Leopard_I|Leopard I]].
−
 
+
* More armour than the German Leopard (around 100m hull and turret).
 +
* 105 mm L7 cannon found on other NATO tanks.
 +
* May bounce APHE shells.
 +
* Low profile.
 +
* Utilization of [[Hydropneumatic suspension|hydropneumatic suspension]] allows for various offensive and defensive options.
 +
* 12.7 mm Browning Machine Gun.
 
'''Cons:'''
 
'''Cons:'''
−
*
+
* Other areas are lightly armoured, vulnerable to high penetrating SPAA.
 +
* Reload and top speed slower than Leopard.
 +
* Small gun elevation angle.
  
 
== History ==
 
== History ==
−
''Describe the history of the creation and combat usage of the ground vehicle in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/historical reference" (example: https://wiki.warthunder.com/Name-vehicles/historical reference) and add a link to it here using the <code>main</code> template. Be sure to include links to sources at the end of the article.''
+
<!--''Describe the history of the creation and combat usage of the ground vehicle in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/historical reference" (example: https://wiki.warthunder.com/Name-vehicles/historical reference) and add a link to it here using the <code>main</code> template. Be sure to include links to sources at the end of the article.''-->
 +
The prototype for the Type 74. Known in Japanese as 74式戦車の試作車STB-1 (ななよんしきせんしゃのしさくしゃSTB-1). Created in September 1969 along with STB-2 in the STT program. Due to issues with cost effectiveness these two prototypes were not considered for the replacement of the Type 61. In a bid to reduce costs STB-3, STB-4, STB-5 and STB-6 were produced between April 1970 to December 1971. The final judgement for the STT program was held in November 1973 which lead the line to be completed in 1974. And, production started the following year in 1975 for the [[Type 74]].
  
 
== Media ==
 
== Media ==
Line 42: Line 240:
  
 
== Read also ==
 
== Read also ==
−
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example,''
+
* [http://warthunder.com/en/news/4459-profile-stb-1-steel-ninja-en/ [Profile<nowiki>]</nowiki> STB-1: Steel Ninja]
−
* ''reference to the series of the vehicles;''
 
−
* ''links to approximate analogues of other nations and research trees.''
 
−
''ETC.''
 
  
 
== Sources ==
 
== Sources ==

Revision as of 00:25, 31 January 2019

RANK 5 FRANCE
Somua SM PACK
STB-2
jp_st_b1.png
STB-2
Japan flag.png Japan
V Rank
Battle rating:
AB RB SB
8.3 8.3 8.3
Class:
Research:105 000 Specs-Card-Exp.png
Purchase:300 000 Specs-Card-Lion.png
Show in game

Description

The STB-2 is a Rank V Japanese medium tank with a battle rating of 8.3 (AB/RB/SB). It was introduced along with the entire Japanese Ground Forces tree in Update 1.65 "Way of the Samurai". The prototype of the Type 74, the STB-1 presents many features that would be in the final design.

The STB-1 is the first researchable tank in Japan's Ground Forces Rank V. Despite having considerable more armour than its comparable counterparts the Leopard 1 and Leopard A1A1, as well as comparable mobility, it is not recommended as a front-line tank like the 'Allied' counterparts. Instead, a cautious hit-and-run tactic like the Leopards should always be employed. Using the tank's hydropneumatic suspension correctly can help with the tank's depression, and in some cases, aid in survivability. Do note that the L7 on this tank reloads significantly longer than other L7-equipped tanks.

The STB-1 is unique among being one of the only Japanese tanks that can take a hit, like the Type 4 Chi-To Late and Type 5 Ho-Ri Production. It has thick frontal hull armour that can bounce shots effectively, but should not be relied on. The tank is quite fast and is further aided by the Hydropneumatic suspension, which allows this tank to manoeuvre the battlefield much like a Leopard, however the abundance of larger, more open maps at higher ranks means that getting from point A to B - and not getting shot - is not a simple as it sounds.

General info

Survivability and armour

Armour Front Sides Rear Roof
Hull 40-80 mm (64-73°) Front glacis
100 (26°), 80 mm (58-66°)Lower glacis 		35-40 mm (44°) Top
40 mm (0-55°) Bottom 		25 mm (1-46°) 20 mm
Turret 132 mm (12-66°) Turret front
100-200 mm (1-66°) Gun mantlet 		132 mm (1-54°)
75 mm (26-61°) Rear 		40 mm (1-64°)
40 mm (36-82°) Turret underside		 67 mm Front
20 mm Rear
Armour Sides Roof
Cupola 30 mm 30 mm

Notes:

  • Suspension wheels and tracks are 20 mm thick.
  • Driver's vision port on the front glacis are only 50 mm thick.
  • Hull roof is rated to be 54 mm effective against HE.

Mobility

Mobility characteristic
Weight (tons) Add-on Armour
weight (tons) 		Max speed (km/h)
37.8 N/A 59 (AB)
53 (RB/SB)
Engine power (horsepower)
Mode Stock Upgraded
Arcade 1,162 ____
Realistic/Simulator 663 ____
Power-to-weight ratio (hp/ton)
Mode Stock Upgraded
Arcade 30.74 __.__
Realistic/Simulator 17.54 __.__

Armaments

Main armament

Main article: L7A3 (105 mm)
105 mm L7A3
Capacity Vertical
guidance 		Horizontal
guidance 		Stabilizer
50 -6°/+9° ±180° Two-plane
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 22.85 __.__ __.__ __.__ __.__
Realistic 14.28 16.8 20.4 __.__ __.__
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
10.8 9.6 __.__ __.__
Ammunition
Penetration statistics
Ammunition Type of
warhead 		Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
M392A2 APDS 303 302 296 277 257 252
M393 HESH 127 127 127 127 127 127
M456 HEATFS 400 400 400 400 400 400
Shell details
Ammunition Type of
warhead 		Velocity
in m/s 		Projectile
Mass in kg 		Fuse delay

in m:

Fuse sensitivity

in mm:

Explosive Mass in g
(TNT equivalent): 		Normalization At 30°
from horizontal: 		Ricochet:
0% 50% 100%
M392A2 APDS 1,478 5.8 N/A N/A N/A +1.5° 75° 78° 80°
M393 HESH 730 15 0.4 0.1 4,310 +0° 73° 77° 80°
M456 HEATFS 1,173 11 0.0 0.1 1,270 +0° 65° 72° 75°
Ammo racks
Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		Visual
discrepancy
50 44 (+6) 16 (+34) 10 (+40) 1 (+49) No

Hull floor empty: 44 (+6)

Machine guns

Main articles: Browning M2 (12.7 mm), Browning (7.62 mm)
12.7 mm M2HB
Pintle mount
Capacity (Belt capacity) Fire rate
(shots/minute) 		Vertical
guidance 		Horizontal
guidance
660 (200) 577 -10°/+40° ±180°
7.62 mm M1919A4
Coaxial mount
Capacity (Belt capacity) Fire rate
(shots/minute) 		Vertical
guidance 		Horizontal
guidance
4,500 (250) 500 N/A N/A

Usage in the battles

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 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).

Pros and cons

Pros:

  • Highly mobile, comparable to the German Leopard I.
  • More armour than the German Leopard (around 100m hull and turret).
  • 105 mm L7 cannon found on other NATO tanks.
  • May bounce APHE shells.
  • Low profile.
  • Utilization of hydropneumatic suspension allows for various offensive and defensive options.
  • 12.7 mm Browning Machine Gun.

Cons:

  • Other areas are lightly armoured, vulnerable to high penetrating SPAA.
  • Reload and top speed slower than Leopard.
  • Small gun elevation angle.

History

The prototype for the Type 74. Known in Japanese as 74式戦車の試作車STB-1 (ななよんしきせんしゃのしさくしゃSTB-1). Created in September 1969 along with STB-2 in the STT program. Due to issues with cost effectiveness these two prototypes were not considered for the replacement of the Type 61. In a bid to reduce costs STB-3, STB-4, STB-5 and STB-6 were produced between April 1970 to December 1971. The final judgement for the STT program was held in November 1973 which lead the line to be completed in 1974. And, production started the following year in 1975 for the Type 74.

Media

An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

Read also

Sources

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.
Retrieved from "https://wiki.warthunder.com/index.php?title=STB-2&oldid=13891"