Difference between revisions of "MTB Vosper(2)"

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m (→‎Primary armament)
(Everything through armanent, except mobility; usage and battle and onwards left unchanged; will complete all sections in a seperate edit)
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== General info ==
 
== General info ==
 
=== Survivability and armour ===
 
=== Survivability and armour ===
−
''Talk about the vehicle's armour. Note the most well-defended and most vulnerable zones, e.g. the ammo magazine. Evaluate the composition of components and assemblies responsible for movement and manoeuvrability. Evaluate the survivability of the primary and secondary armament separately. Don't forget to mention the size of the crew, which plays an important role in fleet mechanics. Tips for preserving survivability should be saved for the "Use in battle" section.''
+
<!--''Talk about the vehicle's armour. Note the most well-defended and most vulnerable zones, e.g. the ammo magazine. Evaluate the composition of components and assemblies responsible for movement and manoeuvrability. Evaluate the survivability of the primary and secondary armament separately. Don't forget to mention the size of the crew, which plays an important role in fleet mechanics. Tips for preserving survivability should be saved for the "Use in battle" section.''
  
−
''If necessary, use a graphic template to show the most well-protected or most vulnerable points in the armour.''
+
''If necessary, use a graphic template to show the most well-protected or most vulnerable points in the armour.''-->
 +
 
 +
Vosper 2 series has the following armour layout:
 +
 
 +
* [[Oerlikon Mk.II (20 mm)|20 mm Oerlikon Mk.II]] gunshield: 12.7 mm hardened armour
 +
* Hull: 24 mm, wood
 +
* Superstructure: 15 mm, wood
 +
 
 +
[[File:Vosper_2_series_internals.png|thumb|Vosper 2 series internals (starboard side). Note the ammo storages below the bridge.]]
 +
 
 +
Any gun in the game will easily be able to penetrate anywhere on the boat, including the gunshield, at practically any range. Vosper 2 series can also be hull-broken by any gun larger than 4 inches (102 mm). Luckily though, at her battle rating, the only gun that can hull-break Vosper 1 series is the [[8cwt QF Mk I (114 mm)]], found on {{Specs-Link|uk_dark_class}}. These are traits of the vast majority of boats in tier I and II though, so they aren't really a disadvantage.
 +
 
 +
The hull is split into three compartments. The first compartment starts at the bow and ends just in front of the forward gun mounts. The second starts at the forward gun mounts and ends in front of the engines. The third starts at the engines and ends at the stern. Overall, with a crew complement of 12, survivability is average.
 +
 
 +
Of note are the ammo storages located just underneath the bridge. Destroying these will also destroy the rest of the boat. In practice, though, this almost never happens, since most guns at this battle rating are either machine guns or low-calibre autocannons which require a large number of hits to destroy the ammo storages. It's both faster and easier to just target the hull compartments and knock out the crew.
  
 
=== Mobility ===
 
=== Mobility ===
−
''Write about the ship’s mobility. Evaluate its power and manoeuvrability, rudder rerouting speed, stopping speed at full tilt, with its maximum forward speed and reverse speed.''
+
<!--''Write about the ship’s mobility. Evaluate its power and manoeuvrability, rudder rerouting speed, stopping speed at full tilt, with its maximum forward speed and reverse speed.''-->
 +
 
 +
<!--
 +
{| class="wikitable" style="text-align:center"
 +
! colspan="6" | '''Mobility Characteristics'''
 +
|-
 +
! rowspan="2" | Game Mode
 +
! rowspan="2" | Upgrade Status
 +
! colspan="2" | Maximum Speed (km/h)
 +
! rowspan="2" | {{Annotation|Turn Time (s)|Time needed to complete a 360° turn at maximum speed}}
 +
! rowspan="2" | {{Annotation|Turn Radius (m)|At maximum speed}}
 +
|-
 +
! rowspan="1" | Forward
 +
! rowspan="1" | Reverse
 +
|-
 +
| rowspan="2" | {{Annotation|AB|Arcade Battles}}
 +
| {{Annotation|Stock|All modifications removed}} || _ || _ || ~_ || ~_
 +
|-
 +
| {{Annotation|Upgraded|All modifications installed}} || _ || _ || ~_ || ~_
 +
|-
 +
| rowspan="2" | {{Annotation|RB|Realistic Battles}}/{{Annotation|SB|Simulator Battles}}
 +
| {{Annotation|Stock|All modifications removed}} || _ || _ || ~_ || ~_
 +
|-
 +
| {{Annotation|Upgraded|All modifications installed}} || _ || _ || ~_ || ~_
 +
|-
 +
|}
 +
-->
  
 
== Armament ==
 
== Armament ==
 
=== Primary armament ===
 
=== Primary armament ===
 +
{{main|Oerlikon Mk.II (20 mm)}}
 
<!--''Provide information about the characteristics of the primary armament. Evaluate their efficacy in battle based on their reload speed, ballistics and the capacity of their shells. Add a link to the main article about the weapon: <code><nowiki>{{main|Weapon name (calibre)}}</nowiki></code>.''
 
<!--''Provide information about the characteristics of the primary armament. Evaluate their efficacy in battle based on their reload speed, ballistics and the capacity of their shells. Add a link to the main article about the weapon: <code><nowiki>{{main|Weapon name (calibre)}}</nowiki></code>.''
 +
 
''Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.''-->
 
''Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.''-->
−
{{main|Oerlikon Mk.II (20 mm)}}
 
  
−
The '''''{{PAGENAME}}''''' is outfitted with the following primary armament:
+
In her main armament group, Vosper 2 series has one 20 mm Oerlikon Mk.II in a single mount, mounted centerline in front of the bridge. It has 1,980 rounds of ammunition available. The mount can traverse horizontally at a rate of 75°/s and vertically at a rate of 75°/s. The gun has a belt capacity of 60 rounds and has a rate of fire of 450 rounds/min. With a stock crew, the guns can be reloaded in 5.2 seconds; with an aced crew, they can be reloaded in 4 seconds. Their maximum range against surface targets is roughly 2.1 km.
 +
 
 +
{| class="wikitable" style="text-align:center"
 +
! colspan="2" | '''Guidance for the Main Gun Turret'''
 +
|-
 +
! Horizontal !! Vertical
 +
|-
 +
| ±180° || -10°/+60°
 +
|-
 +
|}
 +
 
 +
There are three choices of ammunition available:
 +
 
 +
* Universal: {{Annotation|HEF-T|High-explosive fragmentation tracer}}/{{Annotation|HEF-I|High-explosive fragmentation incendiary}}/{{Annotation|AP-T|Armour-piercing tracer}}
 +
 
 +
* 20 mm HE: {{Annotation|HEF-T|High-explosive fragmentation tracer}}/{{Annotation|HEF-I|High-explosive fragmentation incendiary}}/{{Annotation|AP-T|Armour-piercing tracer}}/{{Annotation|HEF-I|High-explosive fragmentation incendiary}}
  
−
1 x 20 mm Oerlikon Mk.II autocannon (1,980 RPG)
+
* 20 mm AP: {{Annotation|AP-T|Armour-piercing tracer}}/{{Annotation|AP-T|Armour-piercing tracer}}/{{Annotation|AP-T|Armour-piercing tracer}}/{{Annotation|HEF-I|High-explosive fragmentation incendiary}}
  
−
The Vosper 2 series has a single 20 mm Oerlikon Mk.II turret at the front. The turret can rotate a full 360° turn, however the bridge behind the turret prevents the 20 mm from engaging any targets to the rear except air targets high in elevation. The Oerlikon has a decent rate of fire and no cool down, only limited by the 60 round magazine.
+
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="7" | '''Penetration Statistics'''
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! colspan="6" | '''Penetration @ 0° Angle of Attack (mm)'''
 +
|-
 +
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 +
|-
 +
| Universal || 39 || 36 || 29 || 23 || 20 || 17
 +
|-
 +
| 20 mm HE || 39 || 36 || 29 || 23 || 20 || 17
 +
|-
 +
| 20 mm AP || 39 || 36 || 29 || 23 || 20 || 17
 +
|-
 +
|}
  
 
=== Secondary armament ===
 
=== Secondary armament ===
 +
{{main|Vickers Mk.V (12.7 mm)}}
 
<!--''Some ships are fitted with weapons of various calibres. Secondary armament is defined by the weapon chosen with the control <code>Select secondary weapon</code>. Evaluate the secondary armament and give advice on how to use them. Describe the ammunition available for the secondary armament. Provide recommendations on how to use them and which ammunition to choose. Remember that anti-air armament, even heavy calibre weapons, belong in the next section.''-->
 
<!--''Some ships are fitted with weapons of various calibres. Secondary armament is defined by the weapon chosen with the control <code>Select secondary weapon</code>. Evaluate the secondary armament and give advice on how to use them. Describe the ammunition available for the secondary armament. Provide recommendations on how to use them and which ammunition to choose. Remember that anti-air armament, even heavy calibre weapons, belong in the next section.''-->
−
{{main|Vickers Mk.V (12.7 mm)}}
 
  
−
The '''''{{PAGENAME}}''''' is outfitted with the following secondary armament:  
+
In her secondary armament group, Vosper 2 series has two 12.7 mm Vickers Mk.V guns in a twin mount, mounted centerline behind the bridge. It has 5,200 rounds of ammunition available, 2,600 rounds per gun. The mount can traverse horizontally at a rate of 75°/s and vertically at a rate of 75°/s. Each gun has a belt capacity of 200 rounds and has a rate of fire of 600 rounds/min. For some reason, the gun on the gunner's right side fires at a faster rate of fire, around 700 rounds/min, firing all 200 of its rounds in the time it takes the left side gun to fire about 170 rounds. With a stock crew, the guns can be reloaded in 5.2 seconds; with an aced crew, they can be reloaded in 4 seconds. Their maximum range against surface targets is roughly 2.1 km.
 +
 
 +
{| class="wikitable" style="text-align:center"
 +
! colspan="2" | '''Guidance for the Secondary Gun Turret'''
 +
|-
 +
! Horizontal !! Vertical
 +
|-
 +
| ±180° || -10°/+70°
 +
|-
 +
|}
 +
 
 +
There are three choices of ammunition available:
 +
 
 +
* Universal: {{Annotation|T|Tracer}}/{{Annotation|AP|Armour-piercing}}/{{Annotation|I|Incendiary}}
 +
 
 +
* 12.7 mm I: {{Annotation|T|Tracer}}/{{Annotation|I|Incendiary}}/{{Annotation|I|Incendiary}}/{{Annotation|I|Incendiary}}/{{Annotation|I|Incendiary}}
 +
 
 +
* 12.7 mm API: {{Annotation|T|Tracer}}/{{Annotation|AP|Armour-piercing}}/{{Annotation|I|Incendiary}}/{{Annotation|AP|Armour-piercing}}
  
−
2 x 12.7 mm Vickers Mk.V machine guns (2,600 RPG = 5,200 total)
+
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="7" | '''Penetration Statistics'''
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! colspan="6" | '''Penetration @ 0° Angle of Attack (mm)'''
 +
|-
 +
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 +
|-
 +
| Universal || 27 || 26 || 23 || 20 || 18 || 16
 +
|-
 +
| 12.7 mm I || 22 || 21 || 18 || 16 || 14 || 12
 +
|-
 +
| 12.7 mm API || 27 || 26 || 23 || 20 || 18 || 16
 +
|-
 +
|}
  
 
=== Torpedo armament ===
 
=== Torpedo armament ===
−
<!--''Many ships are armed with torpedo launchers, and for some vessels such as boats, torpedoes are an extremely important means of defeating an opponent. Evaluate the position of the torpedo launchers, discuss the ammunition available, firing specifics such as dead zones, features of the torpedoes themselves, etc.''-->
 
 
{{main|Mark VIII}}
 
{{main|Mark VIII}}
 +
<!--''Many ships are armed with torpedo launchers, and for some vessels such as boats, torpedoes are an extremely important means of defeating an opponent. Evaluate the position of the torpedo launchers, discuss the ammunition available, firing specifics such as dead zones, features of the torpedoes themselves, etc.''
 +
 +
If there is no torpedo armament, remove this section.-->
 +
 +
Vosper 2 series has two torpedo tubes, one on each side of the bridge, and can carry two 533 mm Mk.VIII torpedoes. The torpedo tubes are pointed forwards, but they are angled outwards on each side and are fixed, requiring the boat to be turned in order to aim them.
 +
 +
{| class="wikitable" style="text-align:center" width="100%"
 +
! colspan="9" | '''Torpedo Characteristics'''
 +
|-
 +
! Torpedo Mode !! Mass (kg) !! Maximum speed in water (km/h) !! Travel distance (km) !! Depth stroke (m) !! Arming distance (m) !! Explosive type !! Explosive mass (kg) !! TNT equivalent (kg)
 +
|-
 +
| {{Annotation|No|"Torpedo Mode" modification uninstalled}} || 1566 || 84 || 4.57 || 1 || 50 || TNT || 327 || 327
 +
|-
 +
| {{Annotation|Yes|"Torpedo Mode" modification installed}} || 1566 || 76 || 6.40 || 1 || 50 || TNT || 327 || 327
 +
|}
  
−
The '''''{{PAGENAME}}''''' is outfitted with the following torpedoes:
+
The Torpedo Mode modification is available as a tier IV modification. Installing it has the following changes:  
  
−
2 x 533 mm Mk.VIII torpedoes
+
{| class="wikitable" style="text-align:center"
 +
! colspan="2" | '''Torpedo Mode Specification Changes'''
 +
|-
 +
! Max Distance (m)
 +
! Max Speed (m/s)
 +
|-
 +
| +1830 || -1
 +
|-
 +
|}
  
 
=== Special armament ===
 
=== Special armament ===
 +
{{main|Mk.VII depth charge}}
 
<!--''Depth charges, mines, rocket launchers and missiles are also effective in skilled hands and can be an unexpected surprise for an opponent. Evaluate the ammunition of this type of armament and rate its performance in combat.''-->
 
<!--''Depth charges, mines, rocket launchers and missiles are also effective in skilled hands and can be an unexpected surprise for an opponent. Evaluate the ammunition of this type of armament and rate its performance in combat.''-->
−
{{main|Mk.VII depth charge}}
 
  
−
The '''''{{PAGENAME}}''''' can be outfitted with the following special armaments:
+
Vosper 2 series can carry four Mk.VII depth charges just behind the bridge, three on each side facing outwards. The depth charges are dropped one at a time and drop in this order:
 +
 
 +
# Portside, foremost
 +
# Starboard side, foremost
 +
# Portside, aftmost
 +
# Starboard side, aftmost
 +
 
 +
Before spawning, the detonation time delay can be set anywhere between 3 seconds and 10 seconds.
  
−
4 x Mk.VII depth charges
+
{| class="wikitable" style="text-align:center"
 +
! colspan="4" | '''Depth Charge Characteristics'''
 +
|-
 +
! Mass (kg)
 +
! Explosive Type
 +
! Explosive Mass (kg)
 +
! TNT Equivalent (kg)
 +
|-
 +
| 196 || TNT || 130 || 130
 +
|}
  
 
== Usage in battles ==
 
== Usage in battles ==

Revision as of 17:28, 26 March 2020

Rank VI USSR | Premium | Golden Eagles
Su-25K Pack
MTB Vosper(2)
uk_mtb_vosper_2series.png
MTB Vosper(2)
Britain flag.png Britain
I Rank
Battle rating:
AB RB SB
1.7 1.7 1.7
Class:
Research:4 000 Specs-Card-Exp.png
Purchase:2 100 Specs-Card-Lion.png
Show in game

Description

GarageImage MTB Vosper(2).jpg


The MTB Vosper 2 series is a rank I British motor torpedo boat with a battle rating of 1.7 (AB/RB/SB). It was introduced in Update 1.83 "Masters of the Sea" as part of the British fleet closed beta test.

General info

Survivability and armour

Vosper 2 series has the following armour layout:

  • 20 mm Oerlikon Mk.II gunshield: 12.7 mm hardened armour
  • Hull: 24 mm, wood
  • Superstructure: 15 mm, wood
Vosper 2 series internals (starboard side). Note the ammo storages below the bridge.

Any gun in the game will easily be able to penetrate anywhere on the boat, including the gunshield, at practically any range. Vosper 2 series can also be hull-broken by any gun larger than 4 inches (102 mm). Luckily though, at her battle rating, the only gun that can hull-break Vosper 1 series is the 8cwt QF Mk I (114 mm), found on Dark Adventurer. These are traits of the vast majority of boats in tier I and II though, so they aren't really a disadvantage.

The hull is split into three compartments. The first compartment starts at the bow and ends just in front of the forward gun mounts. The second starts at the forward gun mounts and ends in front of the engines. The third starts at the engines and ends at the stern. Overall, with a crew complement of 12, survivability is average.

Of note are the ammo storages located just underneath the bridge. Destroying these will also destroy the rest of the boat. In practice, though, this almost never happens, since most guns at this battle rating are either machine guns or low-calibre autocannons which require a large number of hits to destroy the ammo storages. It's both faster and easier to just target the hull compartments and knock out the crew.

Mobility

Armament

Primary armament

Main article: Oerlikon Mk.II (20 mm)

In her main armament group, Vosper 2 series has one 20 mm Oerlikon Mk.II in a single mount, mounted centerline in front of the bridge. It has 1,980 rounds of ammunition available. The mount can traverse horizontally at a rate of 75°/s and vertically at a rate of 75°/s. The gun has a belt capacity of 60 rounds and has a rate of fire of 450 rounds/min. With a stock crew, the guns can be reloaded in 5.2 seconds; with an aced crew, they can be reloaded in 4 seconds. Their maximum range against surface targets is roughly 2.1 km.

Guidance for the Main Gun Turret
Horizontal Vertical
±180° -10°/+60°

There are three choices of ammunition available:

  • Universal: HEF-T/HEF-I/AP-T
  • 20 mm HE: HEF-T/HEF-I/AP-T/HEF-I
  • 20 mm AP: AP-T/AP-T/AP-T/HEF-I
Penetration Statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Universal 39 36 29 23 20 17
20 mm HE 39 36 29 23 20 17
20 mm AP 39 36 29 23 20 17

Secondary armament

Main article: Vickers Mk.V (12.7 mm)

In her secondary armament group, Vosper 2 series has two 12.7 mm Vickers Mk.V guns in a twin mount, mounted centerline behind the bridge. It has 5,200 rounds of ammunition available, 2,600 rounds per gun. The mount can traverse horizontally at a rate of 75°/s and vertically at a rate of 75°/s. Each gun has a belt capacity of 200 rounds and has a rate of fire of 600 rounds/min. For some reason, the gun on the gunner's right side fires at a faster rate of fire, around 700 rounds/min, firing all 200 of its rounds in the time it takes the left side gun to fire about 170 rounds. With a stock crew, the guns can be reloaded in 5.2 seconds; with an aced crew, they can be reloaded in 4 seconds. Their maximum range against surface targets is roughly 2.1 km.

Guidance for the Secondary Gun Turret
Horizontal Vertical
±180° -10°/+70°

There are three choices of ammunition available:

  • Universal: T/AP/I
  • 12.7 mm I: T/I/I/I/I
  • 12.7 mm API: T/AP/I/AP
Penetration Statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Universal 27 26 23 20 18 16
12.7 mm I 22 21 18 16 14 12
12.7 mm API 27 26 23 20 18 16

Torpedo armament

Main article: Mark VIII

Vosper 2 series has two torpedo tubes, one on each side of the bridge, and can carry two 533 mm Mk.VIII torpedoes. The torpedo tubes are pointed forwards, but they are angled outwards on each side and are fixed, requiring the boat to be turned in order to aim them.

Torpedo Characteristics
Torpedo Mode Mass (kg) Maximum speed in water (km/h) Travel distance (km) Depth stroke (m) Arming distance (m) Explosive type Explosive mass (kg) TNT equivalent (kg)
No 1566 84 4.57 1 50 TNT 327 327
Yes 1566 76 6.40 1 50 TNT 327 327

The Torpedo Mode modification is available as a tier IV modification. Installing it has the following changes:

Torpedo Mode Specification Changes
Max Distance (m) Max Speed (m/s)
+1830 -1

Special armament

Main article: Mk.VII depth charge

Vosper 2 series can carry four Mk.VII depth charges just behind the bridge, three on each side facing outwards. The depth charges are dropped one at a time and drop in this order:

  1. Portside, foremost
  2. Starboard side, foremost
  3. Portside, aftmost
  4. Starboard side, aftmost

Before spawning, the detonation time delay can be set anywhere between 3 seconds and 10 seconds.

Depth Charge Characteristics
Mass (kg) Explosive Type Explosive Mass (kg) TNT Equivalent (kg)
196 TNT 130 130

Usage in battles

The main purpose of the MTB Vosper(2) is to use its torpedoes to sink other ships as this is where the most damage will occur. Though outfitted with a 20 mm autocannon and two 12.7 mm machine guns, these weapons are meant to be used as a backup or to finish off an already damaged ship. Attempting to take on a fresh ship with these guns will require the expenditure of most of the ammunition available. The damage difference between available ammunition types is negligible. Best bet is to utilize the 20 mm autocannon at ranges above 1,500 m while the 12.7 mm machine guns are a better fit and hit harder when in at closer ranges.

Pros and cons

Pros:

  • Powerful 20 mm with 40 mm of penetration for the AP round at range (+1,500 m)
  • Good speed
  • The twin turret with 12.7mm is much powerful than the quadra 7.7 mm
  • Generous matchmaking

Cons:

  • No armour
  • Only two torpedoes
  • 20 mm cannon less effective at closer range (under 1,500 m)

History

Describe the history of the creation and combat usage of the ship 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 "/ History" (example: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref>, as well as adding them at the end of the article.

Media

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

See also

  • Vosper 1 series - Sister ship with equipped only with Lewis machine gun armaments.

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • encyclopedia page on ship;
  • other literature.


Britain boats
Motor torpedo boats  Brave Borderer · Dark Aggressor · Dark Aggressor TD · Fairmile D (617) · Fairmile D (697) · Fairmile D (5001) · HMS Gay Archer
  MTB-1(1) · MTB-1(2) · MTB Vosper · MTB Vosper(2) · MTB-422
Motor gun boats  Dark Adventurer · Fairmile A (ML100) · Fairmile B (ML345) · Fairmile C (312) · Fairmile C (332) · Fairmile D (601) · Fairmile H LCS(L)(2)
  HMAS Arrow · HMAS Fremantle · MGB-61 · MGB-75 · ML 1383 · SGB Grey Fox · SGB Grey Goose
Gunboats  HMS Spey

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