Difference between revisions of "YP-38"

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(Crash of 39-689)
(External links: Added web archive links)
 
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{{Specs-Card|code=yp-38}}
+
{{Specs-Card
 +
|code=yp-38
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg}}
 +
|store=9503
 +
}}
  
 
== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft 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 and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft 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.'' -->
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
 
{{Break}}
 
 
The '''{{Specs|name}}''' is a premium gift rank {{Specs|rank}} American twin-engine fighter {{Battle-rating}}. It was introduced in [[Update "Raining Fire"]].
 
The '''{{Specs|name}}''' is a premium gift rank {{Specs|rank}} American twin-engine fighter {{Battle-rating}}. It was introduced in [[Update "Raining Fire"]].
  
 
== General info ==
 
== General info ==
 
=== Flight performance ===
 
=== Flight performance ===
 +
{{Specs-Avia-Flight}}
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
 
''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.''
 
''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.''
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|-
 
|-
 
! Stock
 
! Stock
|659|| ___ || rowspan="2" | {{Specs|ceiling}} ||22.0|| __._ ||16.7|| __._ || rowspan="2" |380
+
| ___ || ___ || rowspan="2" | {{Specs|ceiling}} || __._ || __._ || __._ || __._ || rowspan="2" | 380
 
|-
 
|-
 
! Upgraded
 
! Upgraded
| ___ || 635 || __._ || 23.0 || __._ || 13.5
+
| 659 || 635 || 22.0 || 23.0 || 16.7 || 13.5
 
|-
 
|-
 
|}
 
|}
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! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
 
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
 
|-
 
|-
|✓
+
| ✓ || ✓ || ✓ || X || X     <!-- ✓ -->
|✓
 
|✓
 
|X
 
| X<!-- ✓ -->
 
 
|-
 
|-
 
|}
 
|}
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! Combat !! Take-off !! Landing !! + !! -
 
! Combat !! Take-off !! Landing !! + !! -
 
|-
 
|-
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || ___ || ___ || ___ || ~__ || ~__
+
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 620 || 403 || 250 || ~10 || ~6
 
|-
 
|-
 
|}
 
|}
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! Ailerons !! Rudder !! Elevators !! Radiator
 
! Ailerons !! Rudder !! Elevators !! Radiator
 
|-
 
|-
| < ___ || < ___ || < ___ || > ___
+
| < 380 || < 460 || < 500 || > 420
 
|-
 
|-
 
|}
 
|}
  
 
=== Survivability and armour ===
 
=== Survivability and armour ===
 +
{{Specs-Avia-Armour}}
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
  
The pilot has moderate armor protection, but other modules are vulnerable; the critical modules have no armor protection, as the armor is focused solely on the pilot. Because the two engines are on either side of the pilot they could absorb several bullets for the pilot if the enemy comes from the side.  
+
The pilot has moderate armour protection, but other modules are vulnerable; the critical modules have no armour protection, as the armour is focused solely on the pilot. Because the two engines are on either side of the pilot they could absorb several bullets for the pilot if the enemy comes from the side.
  
 
* 38 mm Bulletproof Glass - Windshield
 
* 38 mm Bulletproof Glass - Windshield
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* 6.5 mm Steel - In Front of Pilot
 
* 6.5 mm Steel - In Front of Pilot
 
* Self-Sealing Fuel Tanks
 
* Self-Sealing Fuel Tanks
 +
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Offensive armament ===
 
=== Offensive armament ===
 +
{{Specs-Avia-Offensive}}
 
<!-- ''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.'' -->
 
<!-- ''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.'' -->
 
{{main|M4 (37 mm)|M2 Browning (12.7 mm)|Browning (7.62 mm)}}
 
{{main|M4 (37 mm)|M2 Browning (12.7 mm)|Browning (7.62 mm)}}
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The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
* 1 x 37 mm M4 cannon, nose-mounted (15 rpg=15 total)
+
* 1 x 37 mm M4 cannon, nose-mounted (15 rpg)
 
* 2 x 12.7 mm M2 Browning machine guns, nose-mounted (200 rpg = 400 total)
 
* 2 x 12.7 mm M2 Browning machine guns, nose-mounted (200 rpg = 400 total)
 
* 2 x 7.62 mm Browning machine guns, nose-mounted (500 rpg = 1,000 total)
 
* 2 x 7.62 mm Browning machine guns, nose-mounted (500 rpg = 1,000 total)
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''Describe the tactics of playing in the aircraft, the features of using aircraft in a 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. Examine 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 aircraft, the features of using aircraft in a 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. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''
  
=== Modules ===
+
=== Manual Engine Control ===
{| class="wikitable"
+
{| class="wikitable" style="text-align:center"
! Tier
 
! colspan="2" | Flight performance
 
! Survivability
 
! colspan="2" | Weaponry
 
 
|-
 
|-
| I
+
! colspan="7" | MEC elements
|Fuselage Repair
 
|Radiator
 
|
 
|Offensive 7 mm
 
|Offensive 37 mm
 
 
|-
 
|-
| II
+
! rowspan="2" | Mixer
|
+
! rowspan="2" | Pitch
|Compressor
+
! colspan="3" | Radiator
|Airframe
+
! rowspan="2" | Supercharger
|New 7 mm MGs
+
! rowspan="2" | Turbocharger
|
 
 
|-
 
|-
| III
+
! Oil !! Water !! Type
|Wings Repair
 
|Engine
 
|
 
|Offensive 12 mm
 
|New 37 mm cannons
 
 
|-
 
|-
| IV
+
| Controllable || Controllable<br>Auto control available || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Not controllable<br>1 gear || Not controllable
|
 
|Engine Injection
 
|Cover
 
|New 12 mm MGs
 
|
 
|-
 
! colspan="6" | This is a premium vehicle: all modifications are unlocked on purchase
 
 
|-
 
|-
 
|}
 
|}
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== 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.'' -->
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
+
 
 +
{{Youtube-gallery|cCT7uPFabJ0|'''War Thunder - YP-38 "The 37mm Lighting!"''' - ''Bo Time Gaming''|w-wm2xukzOI|'''YP-38 Lightning Review''' - ''Jaguara333''}}
  
 
== See also ==
 
== See also ==
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* ''reference to the series of the aircraft;''
 
* ''reference to the series of the aircraft;''
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
* ''links to approximate analogues of other nations and research trees.'' -->
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
+
;<nowiki>Other P-38 vehicles:</nowiki>
 
+
* [[P-38E]]
* ''reference to the series of the aircraft;''
+
* [[XP-38G]] - The plane the '''{{PAGENAME}}''' replaced.
* ''links to approximate analogues of other nations and research trees.''
+
* [[P-38G-1]]
 +
* [[P-38J-15]]
 +
* [[Bong's P-38J-15]]
 +
* [[P-38K]]
 +
* [[P-38L-5-LO]]
  
 
== External links ==
 
== External links ==
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* ''encyclopedia page on the aircraft;''
 
* ''encyclopedia page on the aircraft;''
 
* ''other literature.'' -->
 
* ''other literature.'' -->
''Paste links to sources and external resources, such as:''
+
* [https://www.lockheedmartin.com/en-us/news/features/history/p-38.html [Lockheed Martin<nowiki>]</nowiki> The P-38: When Lightning Strikes] ([https://web.archive.org/web/20210420152142/https://www.lockheedmartin.com/en-us/news/features/history/p-38.html Web Archive])
 +
 
 +
=== References ===
  
* ''topic on the official game forum;''
+
* [https://www.456fis.org/P-38_HISTORY.htm A Brief History of the P-38 "Lightning"] ([https://web.archive.org/web/20210420152225/https://www.456fis.org/P-38_HISTORY.htm Web Archive])
* ''encyclopedia page on the aircraft;''
+
* [https://www.thisdayinaviation.com/tag/lockheed-yp-38-lightning/ This Day in Aviation - Lockheed YP-38 Lightning Archives] ([https://web.archive.org/web/20210420152236/https://www.thisdayinaviation.com/tag/lockheed-yp-38-lightning/ Web Archive])
* ''other literature.''
 
  
 
{{AirManufacturer Lockheed}}
 
{{AirManufacturer Lockheed}}
 
{{USA twin-engine fighters}}
 
{{USA twin-engine fighters}}
 
{{USA premium aircraft}}
 
{{USA premium aircraft}}

Latest revision as of 15:23, 20 April 2021

RANK 6 USA
"APACHE" | AH-64A Peten
YP-38
yp-38.png
GarageImage YP-38.jpg
YP-38
Show in game
STORE

Description

The YP-38 is a premium gift rank II American twin-engine fighter with a battle rating of 2.7 (AB) and 3.0 (RB/SB). It was introduced in Update "Raining Fire".

General info

Flight performance

Max speed
at 7 012 m635 km/h
Turn time23 s
Max altitude12 192 m
Take-off weight0 t

Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.

Characteristics Max Speed
(km/h at 7,012 m)
Max altitude
(metres)
Turn time
(seconds)
Rate of climb
(metres/second)
Take-off run
(metres)
AB RB AB RB AB RB
Stock ___ ___ 12192 __._ __._ __._ __._ 380
Upgraded 659 635 22.0 23.0 16.7 13.5

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
0 0 620 403 250 ~10 ~6
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 380 < 460 < 500 > 420

Survivability and armour

Crew1 person
Speed of destruction
Structural0 km/h
Gear0 km/h

The pilot has moderate armour protection, but other modules are vulnerable; the critical modules have no armour protection, as the armour is focused solely on the pilot. Because the two engines are on either side of the pilot they could absorb several bullets for the pilot if the enemy comes from the side.

  • 38 mm Bulletproof Glass - Windshield
  • 9.5 mm Steel - Behind Pilot's Head
  • 6.5 mm Steel - Pilot's Seat
  • 6.5 mm Steel - In Front of Pilot
  • Self-Sealing Fuel Tanks

Modifications and economy

Repair cost
AB2 000 Sl icon.png
RB4 600 Sl icon.png
SB480 Sl icon.png
Crew training10 000 Sl icon.png
Experts80 000 Sl icon.png
Aces320 Ge icon.png
Research Aces500 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 90 / 250 / 130 % Sl icon.png
Talisman.png 2 × 130 / 130 / 130 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Mods radiator.png
Radiator
Mods compressor.png
Compressor
Mods aerodinamic wing.png
Wings repair
Mods new engine.png
Engine
Mods metanol.png
Engine injection
Mods armor frame.png
Airframe
Mods armor cover.png
Cover
Mods ammo.png
bmg30_belt_pack
Mod arrow 0.png
Mods ammo.png
m4_belt_pack
Mod arrow 1.png
Mods weapon.png
bmg30_new_gun
Mods ammo.png
bmg50_belt_pack
Mod arrow 0.png
Mods weapon.png
m4_new_gun
Mods weapon.png
bmg50_new_gun

Armaments

Offensive armament

The YP-38 is armed with:

  • 1 x 37 mm M4 cannon, nose-mounted (15 rpg)
  • 2 x 12.7 mm M2 Browning machine guns, nose-mounted (200 rpg = 400 total)
  • 2 x 7.62 mm Browning machine guns, nose-mounted (500 rpg = 1,000 total)

Usage in battles

Describe the tactics of playing in the aircraft, the features of using aircraft in a 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. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Controllable Controllable
Auto control available
Controllable
Not auto controlled
Controllable
Not auto controlled
Separate Not controllable
1 gear
Not controllable

Pros and cons

Summarise 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 - use substitutions with softer forms such as "inadequate" and "effective".

Pros:

Cons:

History

After the loss of the XP-38 in 1939, the program still showed great potential and, on April 27, 1939 a Limited Procurement Order was placed for thirteen test aircraft. Given serials 39-689-701, the aircraft were designated model 122-62-02 and had many similarities to the final P-38G. Redesigned with Allison V-1710-27/29 (F2R and F2L) boasting 1,150HP and also equipped with B-2 Turbo-Superchargers they featured Spur Reduction Gearing as opposed to the former Epicylical Gearing found on the XP-38. This caused the engines thrust line to be raised upwards, as well the propellers were ,Outward-Rotating rather than Inward-Rotating. (The port propeller rotated Counter-Clockwise when seen from the rear, and the starboard Clockwise). This gave much stability when firing the guns and allowed the aircraft to be a much more effective combat aircraft.

The aircraft's chin-mounted intake under the propeller spinner was also replaced by a pair of cooling intakes, as well as enlarged radiators on both sides of the tail booms. The armament was also revised, substituting two 0.30in. machine guns with two of the four 0.50in. machine guns, and the 37mm Browning M9 was exchanged for a 20mm cannon. With all of the guns mounted in the nose, with the 0.50in. guns mounted above the 0.30in., some YP-38s were observed to have permanent gun enclosure tubes protecting the two 0.50in guns, with flush plates to cover the remaining gun ports. In reality, most of the YP-38s flew unarmed, and due to the structural redesigning, the aircraft was lighter than the XP-38 at 14,348lbs.

On September 16, 1940 the first YP-38 took off with Marshall Headle at the controls, and in March 1940 the Army received it's first YP-38 for trials. With production severely lagging behind, all YP-38 aircraft weren't completed until June of 1941. The aircraft had a maximum speed of 405 Miles per Hour, at 10,000ft, and an altitude of 20,000ft could be achieved in just six minuted from takeoff. With this, the aircraft was exceptional, but had a flaw not seen until it was too late.

The aircraft encountered problems in which, during trials, tail buffet was severe in High Speed Dives. This all came to a head on November 4th, 1941, when Lockheed test pilot Ralph B. Virden took off with the intent to put aircraft 39-689 into High Speed Dive tests. During a dive, the aircraft lost it's tail booms and impacted into the kitchen of a house in Glendale, California, killing Ralph and destroying the aircraft. The accident was initially falsely diagnosed as Elevator Flutter but was soon later solved by the addition of large Wing-Root Fillets at the points where the wings joined the fuselage. The new repair had to be done very specific and precise, as failure of a tight fit would severely impact flight characteristics.

Ralph B. Virden

Born 11, June 1898 in Audobon Township, IL, he was the second child of Hiram R. Virden, a farmer, and Nancy Carrie Ivy Virden. He attended Bradley Polytechnic Institute in Peoria, IL and, on 15, October 1918 at the age of 17, enlisted in the US. Army. With the end of WWI less than a month later, he was quickly discharged, and in 1919 he married Florence L McCullers. Having two children, Kathryn and Ralph Jr., Kathryn unfortunately having passed at the age of 10 in 1930.

In the mid-1920s, Virden flew as a contract mail pilot, holding pilot No. 628, and was employed by Gilmore Aviation and Pacific Air Transport, and for 13 years flew also as a pilot for United Air Lines. In 1939, having racked up over 15,000 flight hours, he was employed by the Lockheed Corporation as a test pilot. Now living in North Hollywood with his son, Ralph Jr., who was also employed at Lockheed, he would unfortunately lose his life in an accident on 4, November 1939 when the tail booms of his Lockheed YP-38 test aircraft, 39-689, separated from the aircraft during a high speed dive test over Glendale, California. Ralph Jr, after the death of his father, would go on to join the United States Navy in WWII.

Crash of 39-689

On November, 4 1941, during a flight over Glendale, California, Lockheed Test Pilot Ralph B. Virden pushed the nose of aircraft 39-689 down to conduct a High Speed Dive test. While in the dive, the aircraft approached what today is known as Critical Mach Number, resulting is air-flow over the wings to reach Transonic speeds and forming shockwaves that interrupted lift causing a portion of the wing to stall. During the dive, the speed reached too great and, in turn, caused the tail booms to separate. Thereafter, the aircraft impacted the house of Glendale resident Jack Jensen at 1147 Elm Street, killing Ralph and igniting a fire. The tail was eventually located several blocks away.

Following the accident, Lockheed, the U.S. Air Corps, and the National Advisory Committee on Aeronautics (NACA) undertook an extensive testing program for the P-38.

Media

See also

Other P-38 vehicles:

External links

References


Lockheed Corporation
Fighters  XP-38G · P-38E · P-38G-1 · P-38J-15 · Bong's P-38J-15 · P-38K · P-38L-5-LO · YP-38
Bombers  B-34 · PV-2D
Jet Fighters  F-80A-5 · F-80C-10
  F-104A · F-104C
Export / License  A-29 · ▄Hudson Mk V
  ␗P-38L-1
  ␗F-104A · ▀F-104G · ␗F-104G · ▅F-104J · ▄F-104S
See Also  Mitsubishi Heavy Industries · Fiat Aviation

USA twin-engine fighters
P-38  XP-38G · P-38E · P-38G-1 · P-38J-15 · Bong's P-38J-15 · P-38L-5-LO · P-38K · YP-38
P-61  P-61A-1 · P-61C-1
F7F  F7F-1 · F7F-3
Other  XF5F · XP-50 · F-82E

USA premium aircraft
Fighters  Thach's F2A-1 · Galer's F3F-2 · F2G-1 · F4U-4B VMF-214 · P-26A-34 · P-40C · P-43A-1
  P-47M-1-RE · ⋠P-47M-1-RE · P-51A · P-51D-10 · P-51D-20-NA · ␠Kingcobra · XP-55
  ▃A6M2 · ▃Ki-43-II · ▃Ki-61-Ib · ▃Bf 109 F-4 · ▃Fw 190 A-8 · ▃Spitfire LF Mk IXc
Twin-engine fighters  XP-38G · Bong's P-38J-15 · P-38K · YP-38 · P-61A-1 · XF5F · XP-50 · F7F-3
Jet fighters  P-59A · F-86F-35 · F-89B · F-89D · F-5C
Strike aircraft  A2D-1 · AU-1 · XA-38 · AV-8A
Bombers  A-26C-45DT · B-10B · BTD-1 · PBM-3 "Mariner" · PV-2D