Difference between revisions of "DB-7 (Great Britain)"

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== Description ==
 
== Description ==
−
<!--''In the description, the first part needs to 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. If the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle it 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.'' -->
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} gift British bomber {{Battle-rating}}. This aircraft has been in the game since the start of the Open Beta Test prior to Update 1.29.
+
The '''{{Specs|name}}''' is a premium gift rank {{Specs|rank}} British bomber {{Battle-rating}}. It has been in the game since the start of the Open Beta Test prior to Update 1.27.
  
 
== General info ==
 
== General info ==
 
=== Flight performance ===
 
=== Flight performance ===
 
{{Specs-Avia-Flight}}
 
{{Specs-Avia-Flight}}
−
<!--''Describe how the aircraft behaves in the air. Maximum speed, manoeuvrability, speed 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.'' -->
  
 
{| class="wikitable" style="text-align:center" width="70%"
 
{| class="wikitable" style="text-align:center" width="70%"
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|}
 
|}
  
−
====Details====
+
==== Details ====
 
{| class="wikitable" style="text-align:center" width="50%"
 
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
Line 85: Line 85:
 
| 3,090 m || 1,050 hp || N/A
 
| 3,090 m || 1,050 hp || N/A
 
|-
 
|-
−
<!--! colspan="3" | Setting 2
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| ?,??? m || ?,??? hp || ?,??? hp
 
−
|-
 
−
! colspan="3" | Setting 3
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| ?,??? m || ?,??? hp || ?,??? hp
 
−
|- -->
 
 
|}
 
|}
  
 
=== Survivability and armour ===
 
=== Survivability and armour ===
 
{{Specs-Avia-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. Describe the armour, if there is any, 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.'' -->
 
* 12.7 mm steel in front of the cockpit
 
* 12.7 mm steel in front of the cockpit
 
* 8 mm steel lower side of the cockpit
 
* 8 mm steel lower side of the cockpit
Line 120: Line 104:
 
=== Offensive armament ===
 
=== Offensive armament ===
 
{{Specs-Avia-Offensive}}
 
{{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|MAC 1934 (7.5 mm)}}
 
{{main|MAC 1934 (7.5 mm)}}
  
 
The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
−
* 4 × 7.5 mm MAC 1934 machine guns, nose-mounted (500 RPG = 2,000 total)
+
* 4 x 7.5 mm MAC 1934 machine guns, nose-mounted (500 rpg = 2,000 total)
  
 
=== Suspended armament ===
 
=== Suspended armament ===
 
{{Specs-Avia-Suspended}}
 
{{Specs-Avia-Suspended}}
−
<!--''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.''-->
+
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
−
{{main|:Category:Suspended armaments|l1=Suspended armaments}}
+
{{main|AN-M64A1 (500 lb)}}
  
−
The '''''{{PAGENAME}}''''' can be outfitted with the following ordinance"
+
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
  
−
* 4 × 500 lb AN-M64A1 bombs
+
* 4 x 500 lb AN-M64A1 bombs (2,000 lb total)
  
 
=== Defensive armament ===
 
=== Defensive armament ===
 
{{Specs-Avia-Defensive}}
 
{{Specs-Avia-Defensive}}
−
<!--''Defensive armament with turret machine guns or cannons, crewed by gunners. Examine the number of gunners and what belts or drums are better to use. If defensive weaponry is not available, remove this subsection.''-->
+
<!-- ''Defensive armament with turret machine guns or cannons, crewed by gunners. Examine the number of gunners and what belts or drums are better to use. If defensive weaponry is not available, remove this subsection.'' -->
−
 
 
 
{{main|MAC 1934 (7.5 mm)}}
 
{{main|MAC 1934 (7.5 mm)}}
  
 
The '''''{{PAGENAME}}''''' is defended by:
 
The '''''{{PAGENAME}}''''' is defended by:
  
−
* 1 × 7.5 mm MAC 1934 machine gun, dorsal turret (500 RPG)
+
* 1 x 7.5 mm MAC 1934 machine gun, dorsal turret (500 rpg)
−
* 1 × 7.5 mm MAC 1934 machine gun, ventral turret (500 RPG)
+
* 1 x 7.5 mm MAC 1934 machine gun, ventral turret (500 rpg)
  
 
== Usage in battles ==
 
== Usage in battles ==
−
<!--''Describe the tactics of playing in an aircraft, the features of using vehicles in a 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. 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).''-->The DB-7 is a very fast aircraft for its rank, this being coupled with its Battle Rating of 2.3 means it can often outrun most aircraft it faces in level flight. The DB-7 has four 7.5mm light machine guns in the nose that are fixed and controlled by the pilot. Two additional guns are located in turrets facing the rear, one above and one below the fuselage. The upper turret has better coverage than the lower. Although the defensive armament may seem underwhelming, they are more than capable of dealing with planes of a lower BR. They can still be made to work against higher level planes if AP-T or AP belts are used. As always, one should aim for the pursuer's engine.
+
<!-- ''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).'' -->
 +
The DB-7 is a very fast aircraft for its rank, it can outrun most aircraft it faces in level flight. The DB-7 has four 7.5 mm light machine guns in the nose that are fixed and controlled by the pilot. Two additional guns are located in turrets facing the rear, one above and one below the fuselage. The upper turret has better coverage than the lower. Although the defensive armament may seem underwhelming, they are more than capable of dealing with planes of a lower BR. They can still be made to work against higher level planes if AP-T or AP belts are used. As always, one should aim for the pursuer's engine.
  
 
The recommended belt for the offensive weaponry is the Tracers belt (IT). For the defensive weaponry, the AP-T belt (IT/AP) is the best choice
 
The recommended belt for the offensive weaponry is the Tracers belt (IT). For the defensive weaponry, the AP-T belt (IT/AP) is the best choice
Line 158: Line 142:
 
While a lot of the above is true, it is much more important to stick with friendly forces since one can easily become outnumbered if on his own near the enemy's spawn point.
 
While a lot of the above is true, it is much more important to stick with friendly forces since one can easily become outnumbered if on his own near the enemy's spawn point.
  
−
===Manual Engine Control===
+
=== Manual Engine Control ===
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
 
! colspan="7" | MEC elements
 
! colspan="7" | MEC elements
 
|-
 
|-
−
! rowspan="2" |Mixer
+
! rowspan="2" | Mixer
−
! rowspan="2" |Pitch
+
! rowspan="2" | Pitch
−
! colspan="3" |Radiator
+
! colspan="3" | Radiator
−
! rowspan="2" |Supercharger
+
! rowspan="2" | Supercharger
−
! rowspan="2" |Turbocharger
+
! rowspan="2" | Turbocharger
 
|-
 
|-
−
! Oil
+
! Oil !! Water !! Type
−
! Water
 
−
! Type
 
 
|-
 
|-
−
| Controllable || rowspan="2" | Controllable || rowspan="2" | Not controllable || rowspan="2" | Controllable || rowspan="2" | Combined || rowspan="2" | Not controllable || rowspan="2" | Not controllable
+
| Controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Not controllable<br>1 gear || Not controllable
 
|-
 
|-
 
|}
 
|}
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
<!--''Summarise and briefly evaluate the vehicle regarding its characteristics and combat effectiveness. Mark its pros and cons in the 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".''-->
+
<!-- ''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:'''
 
'''Pros:'''
  
 
* Fast for its rank and role.
 
* Fast for its rank and role.
−
* Decent bomb load. (4 × 500lb)
+
* Decent bomb load (4 x 500 lb).
−
* Has offensive armaments. (4 × 7.5mm machine guns)
+
* Has offensive armaments (4 x 7.5 mm machine guns).
−
* Good amount of rounds for the offensive armament. (2000 rounds, 500 per gun)
+
* Good amount of rounds for the offensive armament (2,000 rounds, 500 per gun).
−
* Great RP rewards.
 
−
* Efficient at researching planes from Rank 1 to 3.
 
 
* Can soak up damage from and return to base with an engine out.
 
* Can soak up damage from and return to base with an engine out.
−
* Can go up to 434 Mph or 700 kph IAS in a dive and maintain control.
+
* Can go up to 434 mph or 700 km/h IAS in a dive and maintain control.
  
 
'''Cons:'''
 
'''Cons:'''
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== History ==
 
== History ==
−
Describe the history of the creation and combat usage of the aircraft 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 main 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 aircraft 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-game description ===
 
  
 +
=== In-game description ===
 
The Douglas DB-7 (DB-7B3) was a twin-engine light bomber/ground-attack aircraft of all metal construction. Jack Northrop started to develop this aircraft as early as 1936, on his own personal initiative. When, in 1937, the United States Army Air Corps command formulated its requirements for a next-generation ground-attack aircraft/bomber, the draft design of the Model 7A multi-purpose aircraft (which would combine the functions of a light bomber, a ground-attack aircraft, and a reconnaissance aircraft) was already complete.
 
The Douglas DB-7 (DB-7B3) was a twin-engine light bomber/ground-attack aircraft of all metal construction. Jack Northrop started to develop this aircraft as early as 1936, on his own personal initiative. When, in 1937, the United States Army Air Corps command formulated its requirements for a next-generation ground-attack aircraft/bomber, the draft design of the Model 7A multi-purpose aircraft (which would combine the functions of a light bomber, a ground-attack aircraft, and a reconnaissance aircraft) was already complete.
  
Line 211: Line 190:
 
The aircraft's defensive armament consisted of six 7.5 mm Chatellerault MAC 1934 machine guns of French manufacture. Four of these belt-fed machine guns, with 500 rounds each, were located in the nose section on each side of the navigator's glazed cockpit. One machine gun was mounted in the radio operator/gunner's cockpit in the rear upper gun position, and another one in the lower hatch. Both machine guns had 500 rounds each (5 pan magazines with 100 rounds). The DB-7 had an enlarged bomb bay, with its payload increased to an 800 kg capacity.
 
The aircraft's defensive armament consisted of six 7.5 mm Chatellerault MAC 1934 machine guns of French manufacture. Four of these belt-fed machine guns, with 500 rounds each, were located in the nose section on each side of the navigator's glazed cockpit. One machine gun was mounted in the radio operator/gunner's cockpit in the rear upper gun position, and another one in the lower hatch. Both machine guns had 500 rounds each (5 pan magazines with 100 rounds). The DB-7 had an enlarged bomb bay, with its payload increased to an 800 kg capacity.
  
−
The American aircraft were designated DB-7B3 (B3 meaning ""three-seat bomber"") by the French Air Force. In the summer of 1940, DB-7s participated in combat operations in Southern France, where they suffered serious losses assaulting German tank columns without fighter cover. After the French surrender, these aircraft were used in the service of the Vichy French government who collaborated with Nazi Germany. In November 1942 the same aircraft were used to strike the British-American landing forces in Algeria during Operation Torch.
+
The American aircraft were designated DB-7B3 (B3 meaning "three-seat bomber") by the French Air Force. In the summer of 1940, DB-7s participated in combat operations in Southern France, where they suffered serious losses assaulting German tank columns without fighter cover. After the French surrender, these aircraft were used in the service of the Vichy French government who collaborated with Nazi Germany. In November 1942 the same aircraft were used to strike the British-American landing forces in Algeria during Operation Torch.
  
 
== 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.'' -->
 
{{Youtube-gallery|cxkPq8ICn3Y|'''The Shooting Range #25''' - ''Pages of History'' section at 00:42 discusses the DB-7.}}
 
{{Youtube-gallery|cxkPq8ICn3Y|'''The Shooting Range #25''' - ''Pages of History'' section at 00:42 discusses the DB-7.}}
  
 
== 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 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.'' -->
 
;Related development
 
;Related development
 
* Douglas [[A-26 (Family)|A-26]] Invader
 
* Douglas [[A-26 (Family)|A-26]] Invader
Line 231: Line 210:
  
 
== 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;''
 
* ''topic on the official game forum;''
 
* ''encyclopedia page on the aircraft;''
 
* ''encyclopedia page on the aircraft;''
−
* ''other literature.''-->
+
* ''other literature.'' -->
  
 
* [https://forum.warthunder.com/index.php?/topic/195735-douglas-db-7/ Official data sheet - more details about the performance]
 
* [https://forum.warthunder.com/index.php?/topic/195735-douglas-db-7/ Official data sheet - more details about the performance]

Revision as of 10:48, 20 February 2021

This page is about the gift British bomber DB-7 (Great Britain). For other versions, see DB-7 (Family).
▄DB-7
db_7.png
GarageImage DB-7 (Great Britain).jpg
▄DB-7
Britain flag.png Britain
II Rank
Battle rating:
AB RB SB
2.3 2.3 2.3
Class:
PREMIUM
Purchase:Bundle or Gift
Show in game
MARKET

Description

The ▄DB-7 is a premium gift rank II British bomber with a battle rating of 2.3 (AB/RB/SB). It has been in the game since the start of the Open Beta Test prior to Update 1.27.

General info

Flight performance

Max speed
at 2 895 m491 km/h
Turn time28 s
Max altitude7 200 m
Engine2 х Pratt & Whitney S3CG
TypeRadial
Cooling systemAir
Take-off weight8 t
Characteristics Max Speed
(km/h at 2,896 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 476 462 7200 28.9 29.7 9.5 9.4 550
Upgraded 505 491 27.2 28.0 13.5 11.5

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 + -
665 296 428 406 296 ~8 ~4
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 260 < 320 < 300 > 320
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
3,090 m 1,050 hp N/A

Survivability and armour

Crew4 people
Speed of destruction
Structural665 km/h
Gear296 km/h
  • 12.7 mm steel in front of the cockpit
  • 8 mm steel lower side of the cockpit
  • 9.5mm steel pilots seat
  • 12.7mm steel below, behind and in front of the rear gunner
  • No armour glazing
  • Critical components located in the front and wings of aircraft (fuel, pilot, engine, controls)

Modifications and economy

Repair cost
AB1 095 Sl icon.png
RB4 224 Sl icon.png
SB864 Sl icon.png
Crew training2 300 Sl icon.png
Experts15 000 Sl icon.png
Aces125 Ge icon.png
Research Aces320 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 50 / 170 / 180 % Sl icon.png
Talisman.png 2 × 112 / 112 / 112 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Mods radiator.png
Radiator
Mods armor frame.png
Airframe
Mods compressor.png
Compressor
Mods aerodinamic wing.png
Wings repair
Mods new engine.png
Engine
Mods armor cover.png
Cover
Mods engine extinguisher.png
EFS(a)
Mods ammo.png
7_5mm_belt_pack
Mod arrow 0.png
Mods ammo.png
7_5mm_turret_belt_pack
Mod arrow 0.png
Mods weapon.png
mac39_new_gun
Mods turret gun.png
mac39_turret_new_gun

Armaments

Offensive armament

Weapon 14 x 7.5 mm MAC 1934 machine gun
Ammunition2 000 rounds
Fire rate1 350 shots/min
Main article: MAC 1934 (7.5 mm)

The DB-7 (Great Britain) is armed with:

  • 4 x 7.5 mm MAC 1934 machine guns, nose-mounted (500 rpg = 2,000 total)

Suspended armament

List of setups (1)
Setup 14 x 500 lb AN-M64A1 bomb
Main article: AN-M64A1 (500 lb)

The DB-7 (Great Britain) can be outfitted with the following ordnance:

  • 4 x 500 lb AN-M64A1 bombs (2,000 lb total)

Defensive armament

2 х Turret7.5 mm MAC 1934 machine gun
Ammunition500 rounds
Fire rate1350 shots/min
Main article: MAC 1934 (7.5 mm)

The DB-7 (Great Britain) is defended by:

  • 1 x 7.5 mm MAC 1934 machine gun, dorsal turret (500 rpg)
  • 1 x 7.5 mm MAC 1934 machine gun, ventral turret (500 rpg)

Usage in battles

The DB-7 is a very fast aircraft for its rank, it can outrun most aircraft it faces in level flight. The DB-7 has four 7.5 mm light machine guns in the nose that are fixed and controlled by the pilot. Two additional guns are located in turrets facing the rear, one above and one below the fuselage. The upper turret has better coverage than the lower. Although the defensive armament may seem underwhelming, they are more than capable of dealing with planes of a lower BR. They can still be made to work against higher level planes if AP-T or AP belts are used. As always, one should aim for the pursuer's engine.

The recommended belt for the offensive weaponry is the Tracers belt (IT). For the defensive weaponry, the AP-T belt (IT/AP) is the best choice

The good level speed allows for hit and run tactics, however, some dedicated fighter pilots may choose to hunt you down regardless. In such cases try to run for allied fighters and drag the enemy behind. Alternatively, the superior climb rate in comparison to other bombers allows climbing above one's allies which subsequently act as meat shield i.e. other bombers are easier targets. Although this can turn into a false sense of security. Stay vigilant.

It is best to use the plane as a fast attacker. Keep your altitude and proceed to bomb points. Once your payload is delivered, you can engage enemy fighters which should still be climbing to reach your altitude while being careful not to become outnumbered or dive towards friendly forces in order to gain cover. Few are the planes which will be able to keep up with you if you choose the latter. If you are on a map with lots of vital soft targets, you can always engage those. One has to keep in mind that doing so will leave him exposed to enemy interceptors. If you decide to engage enemy fighters, you will find that the DB-7 is quite manoeuvrable for its size. Always keep an eye on your speed and avoid depleting too much of it in case you need to flee from the battle. The DB-7 can soak up a lot on LMG fire and return to base. The radial engines can also take a lot of punishment before going out. If the rest of its fuselage is not damaged, the aircraft can easily fly on one engine. HMGs and canons will quickly render the plane uncontrollable.

While a lot of the above is true, it is much more important to stick with friendly forces since one can easily become outnumbered if on his own near the enemy's spawn point.

Manual Engine Control

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

Pros and cons

Pros:

  • Fast for its rank and role.
  • Decent bomb load (4 x 500 lb).
  • Has offensive armaments (4 x 7.5 mm machine guns).
  • Good amount of rounds for the offensive armament (2,000 rounds, 500 per gun).
  • Can soak up damage from and return to base with an engine out.
  • Can go up to 434 mph or 700 km/h IAS in a dive and maintain control.

Cons:

  • Armament, both offensive and defensive, can become inadequate tougher enemies.
  • Prone to fires.

History

In-game description

The Douglas DB-7 (DB-7B3) was a twin-engine light bomber/ground-attack aircraft of all metal construction. Jack Northrop started to develop this aircraft as early as 1936, on his own personal initiative. When, in 1937, the United States Army Air Corps command formulated its requirements for a next-generation ground-attack aircraft/bomber, the draft design of the Model 7A multi-purpose aircraft (which would combine the functions of a light bomber, a ground-attack aircraft, and a reconnaissance aircraft) was already complete.

In the meantime, the small Northrop Aviation Corporation was taken over by the Douglas Aircraft Company. Since the USAAC had not made their final choice about their main bomber, the Douglas Aircraft Company continued working on the aircraft, despite having no guarantee of its profitability. The first Model 7B prototype conducted its first test flight on October 26th 1938.

The French Purchasing Commission took an interest in the new aircraft and placed an order for a total of 100 aircraft in February 1939. The Model 7B prototype aircraft was altered at the customer's request: the modified aircraft, designated the DB-7 (Douglas Bomber 7), made its first flight on August 17th 1939. The first production bomber was delivered to the French in October 1939.

The production DB-7 was equipped with 1,000 hp Pratt & Whitney R-1830-SC3-G radial air-cooled engines with Hamilton Standard Hydromatic 23E50 three-bladed variable-pitch metal propellers.

The aircraft's defensive armament consisted of six 7.5 mm Chatellerault MAC 1934 machine guns of French manufacture. Four of these belt-fed machine guns, with 500 rounds each, were located in the nose section on each side of the navigator's glazed cockpit. One machine gun was mounted in the radio operator/gunner's cockpit in the rear upper gun position, and another one in the lower hatch. Both machine guns had 500 rounds each (5 pan magazines with 100 rounds). The DB-7 had an enlarged bomb bay, with its payload increased to an 800 kg capacity.

The American aircraft were designated DB-7B3 (B3 meaning "three-seat bomber") by the French Air Force. In the summer of 1940, DB-7s participated in combat operations in Southern France, where they suffered serious losses assaulting German tank columns without fighter cover. After the French surrender, these aircraft were used in the service of the Vichy French government who collaborated with Nazi Germany. In November 1942 the same aircraft were used to strike the British-American landing forces in Algeria during Operation Torch.

Media

The Shooting Range #25 - Pages of History section at 00:42 discusses the DB-7.

See also

Related development
  • Douglas A-26 Invader
Aircraft of comparable role, configuration and era

External links


Douglas Aircraft Company
Strike Aircraft  A-20G-25 · A-26B-10 · A-26B-50 · AD-2 · AD-4 · A-1H
Bombers  TBD-1 · B-18A · SBD-3 · BTD-1 · A-26C-45 · A-26C-45DT
Turboprops  A2D-1
Jet Aircraft  F3D-1 · F4D-1
A-4 Skyhawk  A-4B · A-4E Early
Export  ▄Havoc Mk I · ▄Boston Mk I · ▄DB-7 · ▂A-20G-30 · ▄AD-4 · ▄AD-4NA
A-4 Skyhawk  A-4H · A-4E Early (M) · Ayit · A-4E
  The Douglas Aircraft Company merged with McDonnell Aircraft Corporation in 1967 to form McDonnell Douglas.

Britain bombers
Torpedo  Swordfish Mk I · Swordfish Mk II · ▄Avenger Mk II
Dive  V-156-B1
Hydroplanes  ▄Catalina Mk IIIa · Sunderland Mk IIIa · Sunderland Mk V
Light  Blenheim Mk IV · Beaufort Mk VIII · ▄Hudson Mk V · Brigand B 1
Based on A20  ▄Havoc Mk I · ▄Boston Mk I · ▄DB-7
Hampden  Hampden Mk I · Hampden TB Mk I
Wellington  Wellington Mk Ic · Wellington Mk Ic/L · Wellington Mk III · Wellington Mk X
Halifax  Halifax B Mk IIIa
Stirling  Stirling B Mk I · Stirling B Mk III
Lancaster  Lancaster B Mk I · Lancaster B Mk III
Lincoln  Lincoln B Mk II
Shackleton  Shackleton MR.Mk.2

Britain premium aircraft
Fighters  Tuck's Gladiator Mk II · ▄Boomerang Mk I · ▄Boomerang Mk II · ▄D.520
  ▄Martlet Mk IV · ▄Corsair F Mk II · ▄Hellcat Mk II · ▄Thunderbolt Mk.1 · ▄Mustang Mk IA
  Hurricane Mk.I/L FAA M · Spitfire Mk.IIa Venture I · Spitfire F Mk IXc · Plagis' Spitfire LF Mk IXc · Spitfire F Mk XIVc · Prendergast's Spitfire FR Mk XIVe
  Typhoon Mk Ib · MB.5
Twin-engine fighters  Hornet Mk.I · Whirlwind P.9
Jet fighters  Attacker FB.2 · Hunter FGA.9 · Lightning F.53 · Meteor F Mk.8 Reaper · Sea Vixen F.A.W. Mk.2 · F-4J(UK) Phantom II · ▄MiG-21 Bison
Strike aircraft  ▄Wirraway · Beaufighter Mk I (40-mm) · Wyvern S4
  Harrier GR.1 · Strikemaster Mk.88
Bombers  ▄Avenger Mk II · ▄Boston Mk I · ▄Catalina Mk IIIa · ▄DB-7 · ▄Havoc Mk I · ▄Hudson Mk V · Swordfish Mk II

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