Difference between revisions of "PT-109"

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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.''-->
 +
The hull structure of the boat has no armour at all. The only armour present on this boat is the bridge that contains 6 mm of antifragmentation armour, and the 13 mm rolled homogeneous armour of the 20 mm mount.
 +
 
 +
Most of the front hull is open space and so there are not critical components that could be hit if rounds come in across at the front end. However, from the bridge on backwards is the engine, ammo, torpedoes, and fuel all scattered around that could be easily hit, ignited, or detonated.
  
 
=== Mobility ===
 
=== Mobility ===
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== Armament ==
 
== Armament ==
 
=== Primary armament ===
 
=== Primary armament ===
−
''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.''-->
 +
{{main|AN-M2 (12.7 mm)}}
 +
 
 +
Two turrets with twin-mounted AN-M2 machine guns are had around the bridge area. Despite their full-flexible 360 degree traverse, limitations with the boat structure will severely restrict their fire angles against enemy boats.
  
−
''Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.''
+
{| class="wikitable" style="text-align:center"
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|-
 +
! colspan="3" | [[AN-M2 (12.7 mm)|12.7 mm AN-M2]] (x4)
 +
|-
 +
! colspan = "3" | Turrets (Bow to stern)
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|-
 +
!  || Front turret (x2) || Rear turret (x2)
 +
|-
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! scope="row" | Vertical guidance
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| -7°/+60° || -7°/+60°
 +
|-
 +
! scope="row" | Horizontal guidance
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| ±180° ||  ±180°
 +
|-
 +
! scope="row" | Ammo capacity (Belt capacity)
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| colspan = "2" | 4,000 (200)
 +
|-
 +
! scope="row" | Rounds per turret
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| colspan = "2" | 2,000
 +
|-
 +
|}
  
 
=== Secondary armament ===
 
=== Secondary armament ===
−
''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.''
  
−
''If there is no secondary armament, remove this section.''
+
''If there is no secondary armament, remove this section.''-->
 +
{{main|Oerlikon Mk.II (20 mm)}}
  
−
=== Anti-aircraft armament ===
+
A single 20 mm Oerlikon cannon is mounted at the stern of the boat.
−
''An important part of the ship’s armament responsible for air raid defense. Anti-aircraft armament is defined by the weapon chosen with the control <code>Select anti-aircraft weapons</code>. Talk about the ship’s anti-air cannons and machine guns, the number of guns and their positions, their effective range, and about their overall effectiveness – including against surface targets.''
 
  
−
''If there is no anti-aircraft artillery, remove this section.''
+
{| class="wikitable" style="text-align:center"
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|-
 +
! colspan="8" | [[Oerlikon Mk.II (20 mm)|20 mm Oerlikon Mk.II]]
 +
|-
 +
! scope="row" | Vertical guidance
 +
| -5°/+60°
 +
|-
 +
! scope="row" | Horizontal guidance
 +
| ±180°
 +
|-
 +
! scope="row" | Ammo capacity (Belt capacity)
 +
| 420 (60)
 +
|-
 +
! scope="row" | Rate of fire (Rounds/min)
 +
| 450
 +
|-
 +
|}
  
 
=== 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.''
+
<!--''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.''
+
''If there is no torpedo armament, remove this section.''-->
 +
The PT-109 is armed with four 21 in wet-heating Mk.8 torpedoes, which are mounted with two on the port side and two on the starboard side. Both are angled from the front and so requires angling to get onto target.
  
−
=== Special armament ===
+
{| class="wikitable" style="text-align:center"
−
''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.''
+
! colspan = "9" | 21 in wet-heating Mk.8 torpedo
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|-
 +
! # on ship !! Mass (kg) !! Maximum speed <br> in water (km/h) !! Travel distance (km) !! Depth stroke (m) !! Arming<br>distance (m) !! Explosive type !! Explosive mass (kg)
 +
|-
 +
| 4 || 1,252 || 50 || 9.14 || 1.0 || 50 || TNT || 146
 +
|-
 +
|}
  
 
== Usage in battles ==
 
== Usage in battles ==
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=== 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 the bulleted list. Try not to 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 the bulleted list. Try not to 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:'''
−
*
+
* Slender PT boat profile
 +
* Quite speedy at flank speed
 +
* Open space in front could let some lucky shots pass through harmlessly
  
 
'''Cons:'''
 
'''Cons:'''
−
*
+
* Limits in gun traverse means, despite able to traverse 360 degree, there are many angles where only one turret could aim onto target
 +
* Both primary armaments are only able to be used on ship targets at ship starboard side
 +
* Torpedoes at each side are split at an angle, requires maneuvering to get a decent aim at a target in front
  
 
== History ==
 
== History ==
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== 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 ship;''
 
* ''reference to the series of the ship;''
−
* ''links to approximate analogues of other nations and research trees.''
+
* ''links to approximate analogues of other nations and research trees.''-->
 +
* [[Elco 80 ft PT-103]] - Head of the ship-class that PT-109 was built off.
  
 
== External links ==
 
== External links ==

Revision as of 05:31, 6 March 2019

Introducing Wiki 3.0
PT-109
us_elco_80ft_pt109_boat.png
PT-109
USA flag.png USA
II Rank
Battle rating:
AB RB SB
1.7 1.7 1.7
Class:
PREMIUM
Purchase:Bundle or Gift

Description

GarageImage PT-109.jpg


The Elco 80 ft PT-109 is a gift rank II American motor torpedo boat with a battle rating of 1.7 (AB/RB/SB). It was one of the earliest pre-orders offered to access the fleet closed beta test before being removed from the store with the wide-release of the closed beta test in Update 1.79 "Project X".

General info

Survivability and armour

The hull structure of the boat has no armour at all. The only armour present on this boat is the bridge that contains 6 mm of antifragmentation armour, and the 13 mm rolled homogeneous armour of the 20 mm mount.

Most of the front hull is open space and so there are not critical components that could be hit if rounds come in across at the front end. However, from the bridge on backwards is the engine, ammo, torpedoes, and fuel all scattered around that could be easily hit, ignited, or detonated.

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.

Armament

Primary armament

Main article: AN-M2 (12.7 mm)

Two turrets with twin-mounted AN-M2 machine guns are had around the bridge area. Despite their full-flexible 360 degree traverse, limitations with the boat structure will severely restrict their fire angles against enemy boats.

12.7 mm AN-M2 (x4)
Turrets (Bow to stern)
Front turret (x2) Rear turret (x2)
Vertical guidance -7°/+60° -7°/+60°
Horizontal guidance ±180° ±180°
Ammo capacity (Belt capacity) 4,000 (200)
Rounds per turret 2,000

Secondary armament

Main article: Oerlikon Mk.II (20 mm)

A single 20 mm Oerlikon cannon is mounted at the stern of the boat.

20 mm Oerlikon Mk.II
Vertical guidance -5°/+60°
Horizontal guidance ±180°
Ammo capacity (Belt capacity) 420 (60)
Rate of fire (Rounds/min) 450

Torpedo armament

The PT-109 is armed with four 21 in wet-heating Mk.8 torpedoes, which are mounted with two on the port side and two on the starboard side. Both are angled from the front and so requires angling to get onto target.

21 in wet-heating Mk.8 torpedo
# on ship Mass (kg) Maximum speed
in water (km/h) 		Travel distance (km) Depth stroke (m) Arming
distance (m) 		Explosive type Explosive mass (kg)
4 1,252 50 9.14 1.0 50 TNT 146

Usage in battles

Describe the technique of using this ship, the characteristics of her use in a team and tips on strategy. Abstain from writing an entire guide – don’t get try to provide a single point of view, but give the reader food for thought. Talk about the most dangerous opponents for this vehicle and provide recommendations on fighting them. If necessary, note the specifics of playing with this vehicle in various modes (AB, RB, SB).

Pros and cons

Pros:

  • Slender PT boat profile
  • Quite speedy at flank speed
  • Open space in front could let some lucky shots pass through harmlessly

Cons:

  • Limits in gun traverse means, despite able to traverse 360 degree, there are many angles where only one turret could aim onto target
  • Both primary armaments are only able to be used on ship targets at ship starboard side
  • Torpedoes at each side are split at an angle, requires maneuvering to get a decent aim at a target in front

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

External links


USA boats
Motor torpedo boats  PT-3 · PT-6 · PT-20 · PT-71 · PT-103 · PT-109 · PT-174
  PT-200 · PT-314 · Thunderbolt (PT-556) · PT-565 · PT-658 · PT-810 · PT-811 · PT-812
Motor gun boats  Kim Qui · LCS(L)(3) · PT-59 · PTF-7 · USS Candid · USS Asheville · USS Douglas · USS Flagstaff · USS Tucumcari · USS Cyclone
Armoured gun boats  LCM(6) Zippo

USA premium ships
Motor torpedo boats  PT-3 · PT-109 · PT-174 · Thunderbolt (PT-556) · PT-658 · PT-811
Motor gun boats  LCM(6) Zippo · USS Douglas · USS Flagstaff
Sub-chasers  Carmi (PC-466)
Destroyers  USS Welborn C. Wood · USS Wilkinson · USS Bennion · USS Cowell · USS Davis · USS Moffett · USS Phelps · USS Frank Knox
Light cruisers  USS Detroit · USS Helena
Heavy cruisers  USS Des Moines
Battleships  USS Arkansas

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