Difference between revisions of "SB2U-3"

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{{About
 +
|about = American dive bomber '''{{PAGENAME}}'''
 +
|other
 +
|usage-1 = the other version
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|link-1 = SB2U-2
 +
|usage-2 = other uses
 +
|link-2 = SB2 (Disambiguation)
 +
}}
 
{{Specs-Card
 
{{Specs-Card
 
|code=sb2u-3
 
|code=sb2u-3
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
 
|cockpit=cockpit_sb2u-3.jpg
 
|cockpit=cockpit_sb2u-3.jpg
 
}}
 
}}
−
{{About
+
 
−
|about = aircraft '''{{PAGENAME}}'''
 
−
|usage = other uses
 
−
|link = SB2 (Disambiguation)
 
−
}}
 
 
== 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.'' -->The SB2U was developed in the early 1930s and although considered obsolete at the outbreak of World War II, it still remained in service through the Battle of Midway, however in 1943 it was withdrawn into training units and replaced by more advanced aircraft. This aircraft featured a constant-speed propeller which was intended to be utilized as a dive brake while performing dive bombing attack manoeuvres. There were three hard points for bombs to be attached, one 250 lb bomb under each wing and a single 500 or 1,000 lb bomb mounted onto a pylon under the fuselage. The larger bomb was also attached to what was called a "trapeze", a device which would when the bomb was released, swing the bomb clear of the propeller arc.
−
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
 
−
{{break}}
 
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} American dive bomber {{Battle-rating}}. It was introduced in [[Update 1.75 "La Résistance"]].
 
  
−
The SB2U was developed in the early 1930s and although considered obsolete at the outbreak of World War II, it still remained in service through the Battle of Midway, however in 1943 it was withdrawn into training units and replaced by more advanced aircraft.  This aircraft featured a constant-speed propeller which was intended to be utilized as a dive brake while performing dive bombing attack maneuvers. There were three hard points for bombs to be attached, one 250 lb bomb under each wing and a single 500 or 1,000 lb bomb mounted onto a pylon under the fuselage. The larger bomb was also attached to what was called a "trapeze", a device which would when the bomb was released, swing the bomb clear of the propeller arc.
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It was introduced in [[Update 1.75 "La Résistance"]]. The '''{{Specs|name}}''' is the predecessor of the [[SB2U-2]], but it sits at a higher BR thanks to the armament. It is slightly slower, because of the engine, it uses the Pratt & Whitney R-1535-2, that has less HP than the SB2U-2, but the difference very little. It has access to the same payload, which means that it is excellent at dealing with heavily armoured naval targets and ground targets. The offensive armament is much better, with 4 x 12.7mm browning HMGs, while the SB2U-2 has access to only 2 x 7.7mm MGs. This means, that while the flight performance is mediocre, it can be used to some extent in air battles, since biplanes and early monoplanes are very vulnerable to this kind of machineguns, specially if incendiary bullets are used.
  
 
== General info ==
 
== General info ==
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=== Flight Performance ===
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=== Flight performance ===
−
''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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{{Specs-Avia-Flight}}
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<!-- ''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====
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==== Details ====
 
{| class="wikitable" style="text-align:center" width="50%"
 
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
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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 || ✓ || ✓ || ✓    <!-- ✓ -->
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| X || X || ✓ || X || ✓    <!-- ✓ -->
 
|-
 
|-
 
|}
 
|}
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! WEP Engine power
 
! WEP Engine power
 
|-
 
|-
−
| 2,895 m || 750 hp || 825 hp  
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| 2,895 m || 750 hp || 825 hp
−
|-
 
−
<!--! 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 ===
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<!--''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.''-->
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{{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.'' -->
  
 
* 3 mm Steel boxes behind the gunner
 
* 3 mm Steel boxes behind the gunner
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* Critical components located at front of aircraft (fuel, pilot, engine, controls)
 
* Critical components located at front of aircraft (fuel, pilot, engine, controls)
 
* Self-sealing fuel tanks (1 behind pilot)
 
* Self-sealing fuel tanks (1 behind pilot)
 +
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Offensive armament ===
 
=== Offensive armament ===
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<!--''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.''-->
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{{Specs-Avia-Offensive}}
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{{main|Browning M2 (12.7 mm)}}
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<!-- ''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|M2 Browning (12.7 mm)}}
  
 
The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
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* 4 x 12.7 mm Browning M2 machine guns, wing-mounted (400 rpg = 1,600 total)
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* 4 x 12.7 mm M2 Browning machine guns, wing-mounted (400 rpg = 1,600 total)
  
 
=== Suspended armament ===
 
=== Suspended armament ===
 +
{{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|AN-M30A1 (100 lb)|AN-M57 (250 lb)|AN-M64A1 (500 lb)|AN-M65A1 (1,000 lb)|Type A Mark I mine}}
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{{main|AN-M30A1 (100 lb)|AN-M57 (250 lb)|AN-M64A1 (500 lb)|AN-M65A1 (1,000 lb)|AN-Mk 1 (1,600 lb)}}
 +
{{main|Type A Mark I mine}}
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
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* 1 x 500 lb AN-M64A1 bomb + 2 x 250 lb AN-M57 bombs (1,000 lb total)
 
* 1 x 500 lb AN-M64A1 bomb + 2 x 250 lb AN-M57 bombs (1,000 lb total)
 
* 1 x 1,000 lb AN-M65A1 bomb (1,000 lb total)
 
* 1 x 1,000 lb AN-M65A1 bomb (1,000 lb total)
 +
* 1 x 1,600 lb AN-Mk 1 bomb (1,600 lb total)
 
* 1 x Type A Mark I mine
 
* 1 x Type A Mark I mine
  
 
=== Defensive armament ===
 
=== Defensive armament ===
−
<!--''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.''-->
+
{{Specs-Avia-Defensive}}
−
{{main|Browning M2 (12.7 mm)}}
+
<!-- ''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|M2 Browning (12.7 mm)}}
  
 
The '''''{{PAGENAME}}''''' is defended by:
 
The '''''{{PAGENAME}}''''' is defended by:
  
−
* 1 x 12.7 mm Browning M2 machine gun, rear turret (315 rpg = 315 total)
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* 1 x 12.7 mm M2 Browning machine gun, dorsal turret (315 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 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).''-->
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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).'' -->
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The SB2U-3 is a carrier based dive bomber. This aircraft is a fairly slow aircraft, but sturdy. Built as a dive-bomber, it excels at diving down above a target to release its bombs. The SB2U is one of the only early aircraft in War Thunder which features dive flaps (h) to aid in retarding the build up of speed during a dive, helping prevent ripping off of wings in RB and SB. Wing mounted machine guns allow for this aircraft to strafe softer ground or water targets while waiting for bombs to reload (AB). Rear facing dorsal gunner helps to ward off enemy attackers, however it is not a game changer for this aircraft.
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The SB2U-3 is a carrier based dive bomber. This aircraft is a fairly slow aircraft, but sturdy. Built as a dive-bomber, it excels at diving down above a target to release its bombs. The SB2U is one of the only early aircraft in War Thunder which features dive flaps (h) to aid in retarding the build up of speed during a dive, helping prevent ripping off of wings in RB and SB. Wing mounted machine guns allow for this aircraft to strafe softer ground or water targets while waiting for bombs to reload (AB). Rear facing dorsal gunner helps to ward off enemy attackers, however it is not a game changer for this aircraft.
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The SB2U is a slow aircraft which leads it to having two options, first is to hug the terrain. While flying to your target of choice (AAA sites, AA Vehicles or bases), fly along the terrain, utilize what hills and valleys there are to fly through. Time on target may be limited before the enemy gets there so line up your bombing run and drop bombs. This aircraft can manoeuvre fairly well, utilizing elevator and rudder controls, you can quickly flip this aircraft around and return to ground attacking targets you just flew over.
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The second option will be to gain altitude. Going too high will render your bombs ineffective. The idea here is to gain several thousand feet, fly towards your target of choice and then dive on it. During your dive, your aircraft will build up speed, to prevent too much speed build up and control stiffening, reduce your throttle and engage landing flaps ("F" by default) as the SB2U does not have airbrakes. This will allow you a controlled descent and the ability to line up your target easier, the unfortunate down side is that now you are slowly moving in a straight line, easy target for enemy fighters. Once you swoop on your target and release your bombs, engage full throttle and retract dive brakes.
  
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The SB2U is a slow aircraft which leads it to having two options, first is to hug the terrain.  While flying to your target of choice (AAA sites, AA Vehicles or bases), fly along the terrain, utilize what hills and valleys there are to fly through.  Time on target may be limited before the enemy gets there so line up your bombing run and drop bombs.  This aircraft can maneuver fairly well, utilizing elevator and rudder controls, you can quickly flip this aircraft around and return to ground attacking targets you just flew over.
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While this aircraft is slow, it can be utilized to attack fighters if in a pinch. The manoeuvrability of this aircraft along with its slow speed can aid in forcing an attacking enemy to overshoot or underestimate the capabilities of this aircraft.
−
 
 
−
The second option will be to gain altitude. Going too high will render your bombs ineffective.  The idea here is to gain several thousand feet, fly towards your target of choice and then dive on it.  During your dive, your aircraft will build up speed, to prevent too much speed build up and control stiffening, reduce your throttle and engage dive brakes (h).  This will allow you a controlled descent and the ability to line up your target easier, the unfortunate down side is that now you are slowly moving in a straight line, easy target for enemy fighters.  Once you swoop on your target and release your bombs, engage full throttle and retract dive brakes.
 
  
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While this aircraft is slow, it can be utilized to attack fighters if in a pinch.  The maneuverability of this aircraft along with its slow speed can aid in forcing an attacking enemy to overshoot or underestimate the capabilities of this aircraft.  
+
The rear-facing dorsal gunner does not deter much, don't rely on him to clear your tail of trailing aircraft. Enemy fighters will assume this aircraft to be an easy target due to its size and slow speed.
  
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The rear-facing dorsal gunner does not deter much, don’t rely on him to clear your tail of trailing aircraft.  Enemy fighters will assume this aircraft to be an easy target due to its size and slow speed.
+
The SB2U is a slow aircraft, however it is manoeuvrable. Due to the large surface area of the wings and rudder, it can make quick reversals through wing-overs causing faster fighters to overshoot. The rear-gunner does not pack much of a punch, however coming at this aircraft from the underside will avoid any offensive/defensive weapons allowing for time to line up a shot. Aim for critical areas of the aircraft (engine, pilot, fuel…) as the body of the aircraft can soak up a good amount of damage.
  
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The SB2U is a slow aircraft, however it is maneuverable. Due to the large surface area of the wings and rudder, it can make quick reversals through wing-overs causing faster fighters to overshoot. The rear-gunner does not pack much of a punch, however coming at this aircraft from the underside will avoid any offensive/defensive weapons allowing for time to line up a shot. Aim for critical areas of the aircraft (engine, pilot, fuel…) as the body of the aircraft can soak up a good amount of damage.
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An interesting fighting technique against enemy bombers, if altitude, airspeed and lack of nearby enemy fighters permits, is to engage in a "Turret fighting" mode. Start with a 700m+ altitude advantage and 300km/h and look for isolated medium/heavy bombers. (If the bomber in question has significant forward firepower, such as the British DB-3(Quad 7.7mm MG) or the BV 138 B-1(20mm MG151), this technique is best avoided as these will make short work of your vulnerable tail. Do your homework and find which bombers are vulnerable in the nose) Dive on the bomber at a shallow angle (about 20 degrees will do) and fire with your forward MGs if you can. Bank under the target bomber and match his airspeed and climb angle and switch to gunner view. If you successfully followed the instructions your gunner should have an easy view of the front of the enemy bomber, and with sufficient aim and trigger discipline, you should be able to put enough gunfire into his engines or even pilot snipe him to take him down.
  
−
===Manual Engine Control===
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=== 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
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! rowspan="2" | Mixer
−
! rowspan="2" |Pitch
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! rowspan="2" | Pitch
−
! colspan="3" |Radiator
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! colspan="3" | Radiator
−
! rowspan="2" |Supercharger
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! rowspan="2" | Supercharger
−
! rowspan="2" |Turbocharger
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! rowspan="2" | Turbocharger
 
|-
 
|-
−
! Oil
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! Oil !! Water !! Type
−
! Water
 
−
! Type  
 
 
|-
 
|-
−
| Controllable  
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| Controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Not controllable<br>1 gear || Not controllable
−
| rowspan="2" | Controllable<br>No automatic pitch
 
−
| rowspan="2" | Controllable
 
−
| rowspan="2" | Controllable
 
−
| rowspan="2" | Separate  
 
−
| rowspan="2" | Not controllable  
 
−
| rowspan="2" | Not controllable
 
−
|-
 
−
|}
 
−
 
 
−
===Modules===
 
−
{| class="wikitable"
 
−
! colspan="1" | Tier
 
−
! colspan="2" | Flight performance
 
−
! colspan="1" | Survivability
 
−
! colspan="2" | Weaponry
 
−
|-
 
−
| I
 
−
| Fuselage Repair
 
−
| Radiator
 
−
|
 
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| Offensive 12 mm
 
−
| FSBC mk.5
 
−
|-
 
−
| II
 
−
|
 
−
| Compressor
 
−
| Airframe
 
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| New 12 mm MGs
 
−
|FLBC mk.1
 
−
|-
 
−
| III
 
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| Wings Repair
 
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| Engine
 
−
|
 
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| Turret 12 mm
 
−
|Mk 12 Mod 0
 
−
|-
 
−
| IV
 
−
|
 
−
| Engine Injection
 
−
| Cover
 
−
| New 12 mm MGs (turret)
 
−
|
 
 
|-
 
|-
 
|}
 
|}
  
 
=== 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 - use substitutions with softer forms such as "inadequate" and "effective".''-->
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<!-- ''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:'''
  
−
* Maneuverable
+
* Manoeuvrable
 
* Dual role dive bomber/attacker
 
* Dual role dive bomber/attacker
 
* Good diver
 
* Good diver
−
* Armament of four .50 calibre machine guns give it good frontal firepower
+
* Armament of four .50 cal machine guns give it good frontal firepower
−
+
 
 
'''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 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></nowiki></code>, as well as adding them at the end of the article. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== Encyclopedia Info ===</nowiki></code>, also if applicable).''-->
+
<!-- ''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).'' -->
  
 
The mid-1930s was an exciting time of military aircraft development. As is with technological changes, designers, developers and engineers look for ways to eke out as much power, speed or even damage infliction as possible. Aircraft which imbue the best of these qualities are typically the ones which get contracts with the military.
 
The mid-1930s was an exciting time of military aircraft development. As is with technological changes, designers, developers and engineers look for ways to eke out as much power, speed or even damage infliction as possible. Aircraft which imbue the best of these qualities are typically the ones which get contracts with the military.
  
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The United States Navy was continuously looking to upgrade its fleet of aircraft and in 1934 sought to receive proposals for a new scout bomber designed for carrier usage. This scout bomber requirement was unique for the time as the request came in two parts, the aircraft manufactures had the choice to submit either a monoplane or biplane option. Six manufactures competed in the proposal, and Vought was the only manufacturer which submitted a prospective aircraft in each category. At the time, monoplanes were still relatively new while biplanes had a known track record. Vought favoured the monoplane design, however, concluded that providing a submission in each category allowed them to be competitive no matter the category the Navy selected. Of the six companies submissions, four of them won contracts with the U.S. Navy and Vought's monoplane XSB2U-1 was one of them.  
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The United States Navy was continuously looking to upgrade its fleet of aircraft and in 1934 sought to receive proposals for a new scout bomber designed for carrier usage. This scout bomber requirement was unique for the time as the request came in two parts, the aircraft manufactures had the choice to submit either a monoplane or biplane option. Six manufactures competed in the proposal, and Vought was the only manufacturer which submitted a prospective aircraft in each category. At the time, monoplanes were still relatively new while biplanes had a known track record. Vought favoured the monoplane design, however, concluded that providing a submission in each category allowed them to be competitive no matter the category the Navy selected. Of the six companies submissions, four of them won contracts with the U.S. Navy and Vought's monoplane XSB2U-1 was one of them.
  
 
The SB2U-1 was a conventional low-wing monoplane of the mid-1930s. The fuselage construction consisted of steel tubes which had aluminium panels covering the aircraft from the engine cowling to the rear cockpit where the tail gunner sat. A majority of the rear portion of the fuselage utilised fabric covering. The wings were all metal and could fold up for storage on the aircraft carriers when not in use, accommodating more aircraft. This aircraft was a two-crew aircraft needing only a pilot and tail-gunner who could also operate as a spotter. The aircraft sported a Pratt & Whitney R-1535-2 Twin-Wasp Junior radial engine which worked in conjunction with a two-bladed constant-speed propeller. The intent was to have the propeller work as a dive brake during diving attack runs. However, this proved to be less effective, and pilots tended to lower the landing gear, which provided more drag which they needed. The aircraft utilised a swinging trapeze under the fuselage of the aircraft to sling a bomb during a diving attack to ensure it would clear the propeller arc. Pilots found that the best practice for dropping the 1,000 lb bombs was to dive at a shallower angle to ensure proper speed and clearance when dropping the large bomb. Smaller bombs could be mounted under the wings to allow for an additional 500 lbs.
 
The SB2U-1 was a conventional low-wing monoplane of the mid-1930s. The fuselage construction consisted of steel tubes which had aluminium panels covering the aircraft from the engine cowling to the rear cockpit where the tail gunner sat. A majority of the rear portion of the fuselage utilised fabric covering. The wings were all metal and could fold up for storage on the aircraft carriers when not in use, accommodating more aircraft. This aircraft was a two-crew aircraft needing only a pilot and tail-gunner who could also operate as a spotter. The aircraft sported a Pratt & Whitney R-1535-2 Twin-Wasp Junior radial engine which worked in conjunction with a two-bladed constant-speed propeller. The intent was to have the propeller work as a dive brake during diving attack runs. However, this proved to be less effective, and pilots tended to lower the landing gear, which provided more drag which they needed. The aircraft utilised a swinging trapeze under the fuselage of the aircraft to sling a bomb during a diving attack to ensure it would clear the propeller arc. Pilots found that the best practice for dropping the 1,000 lb bombs was to dive at a shallower angle to ensure proper speed and clearance when dropping the large bomb. Smaller bombs could be mounted under the wings to allow for an additional 500 lbs.
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In 1938, the U.S. Navy submitted an order to add to their growing collection of SB2Us and requested 58 SB2U-2 scout bombers which were a slightly modified version of the SB2U-1. There were no physical differences; however, there were minor changes in the equipment installed on the aircraft.
 
In 1938, the U.S. Navy submitted an order to add to their growing collection of SB2Us and requested 58 SB2U-2 scout bombers which were a slightly modified version of the SB2U-1. There were no physical differences; however, there were minor changes in the equipment installed on the aircraft.
  
−
Later in 1939, the United States Marine Corps placed an order for SB2U-3 aircraft. Their needs were a little different than the Navy's needs, so their aircraft required upgrades. Intended to be a long-range scout bomber, this version of the aircraft was outfitted with integral wing fuel tanks to allow for farther range and had the aircraft's tail increased in size to increase aircraft manoeuvrability when using the rudder. A total of 57 SB2U-3 Vindicators were built, and many saw combat in the Battle of Midway.  
+
Later in 1939, the United States Marine Corps placed an order for SB2U-3 aircraft. Their needs were a little different than the Navy's needs, so their aircraft required upgrades. Intended to be a long-range scout bomber, this version of the aircraft was outfitted with integral wing fuel tanks to allow for farther range and had the aircraft's tail increased in size to increase aircraft manoeuvrability when using the rudder. A total of 57 SB2U-3 Vindicators were built, and many saw combat in the Battle of Midway.
  
 
== 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.'' -->
 +
 +
;Skins
 +
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=sb2u-3 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
  
 
;Videos
 
;Videos
−
{{Youtube-gallery|Ze0dEvB77fE|'''Best Combo #3''' discusses the {{PAGENAME}} at 0:38 - ''War Thunder Official Channel''}}
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== See also ==
 
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== External links ==
 
== External links ==
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{{AirManufacturer Vought}}
 
{{AirManufacturer Vought}}
 
{{USA bombers}}
 
{{USA bombers}}

Latest revision as of 20:19, 13 April 2024

This page is about the American dive bomber SB2U-3. For the other version, see SB2U-2. For other uses, see SB2 (Disambiguation).
SB2U-3
sb2u-3.png
GarageImage SB2U-3.jpg
ArtImage SB2U-3.png
360://https://old-wiki.warthunder.com/images/e/e8/Cockpit_sb2u-3.jpg
SB2U-3
USA flag.png USA
I Rank
Battle rating:
AB RB SB
1.7 1.7 1.7
Class:
Research:2 000 Specs-Card-Exp.png
Purchase:2 100 Specs-Card-Lion.png

Description

The SB2U was developed in the early 1930s and although considered obsolete at the outbreak of World War II, it still remained in service through the Battle of Midway, however in 1943 it was withdrawn into training units and replaced by more advanced aircraft. This aircraft featured a constant-speed propeller which was intended to be utilized as a dive brake while performing dive bombing attack manoeuvres. There were three hard points for bombs to be attached, one 250 lb bomb under each wing and a single 500 or 1,000 lb bomb mounted onto a pylon under the fuselage. The larger bomb was also attached to what was called a "trapeze", a device which would when the bomb was released, swing the bomb clear of the propeller arc.

It was introduced in Update 1.75 "La Résistance". The SB2U-3 is the predecessor of the SB2U-2, but it sits at a higher BR thanks to the armament. It is slightly slower, because of the engine, it uses the Pratt & Whitney R-1535-2, that has less HP than the SB2U-2, but the difference very little. It has access to the same payload, which means that it is excellent at dealing with heavily armoured naval targets and ground targets. The offensive armament is much better, with 4 x 12.7mm browning HMGs, while the SB2U-2 has access to only 2 x 7.7mm MGs. This means, that while the flight performance is mediocre, it can be used to some extent in air battles, since biplanes and early monoplanes are very vulnerable to this kind of machineguns, specially if incendiary bullets are used.

General info

Flight performance

Arrestor gear
Accelerates braking by grabbing the brake cable on the deck of the aircraft carrier
Max speed
at 4 084 m360 km/h
Turn time22 s
Max altitude6 800 m
EnginePratt & Whitney R-1535-2
TypeRadial
Cooling systemAir
Take-off weight4 t
Characteristics Max Speed
(km/h at 4,084 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 338 329 6800 23.6 24.5 3.7 4.5 300
Upgraded 383 360 20.4 22.0 9.7 6.2

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X ✓ X ✓
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
740 740 N/A N/A 700 ~14 ~8
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 300 < 350 < 320 > 299
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
2,895 m 750 hp 825 hp

Survivability and armour

Crew2 people
Speed of destruction
Structural740 km/h
Gear740 km/h
  • 3 mm Steel boxes behind the gunner
  • No armour glazing
  • Critical components located at front of aircraft (fuel, pilot, engine, controls)
  • Self-sealing fuel tanks (1 behind pilot)

Modifications and economy

Repair costBasic → Reference
AB213 → 290 Sl icon.png
RB314 → 428 Sl icon.png
SB445 → 607 Sl icon.png
Total cost of modifications4 450 Rp icon.png
2 695 Sl icon.png
Talisman cost300 Ge icon.png
Crew training600 Sl icon.png
Experts2 100 Sl icon.png
Aces45 Ge icon.png
Research Aces110 000 Rp icon.png
Reward for battleAB / RB / SB
20 / 40 / 80 % Sl icon.png
100 / 100 / 100 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
220 Rp icon.png
Cost:
135 Sl icon.png
55 Ge icon.png
Mods radiator.png
Radiator
Research:
220 Rp icon.png
Cost:
135 Sl icon.png
55 Ge icon.png
Mods armor frame.png
Airframe
Research:
250 Rp icon.png
Cost:
150 Sl icon.png
65 Ge icon.png
Mods compressor.png
Compressor
Research:
250 Rp icon.png
Cost:
150 Sl icon.png
65 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
280 Rp icon.png
Cost:
170 Sl icon.png
70 Ge icon.png
Mods new engine.png
Engine
Research:
280 Rp icon.png
Cost:
170 Sl icon.png
70 Ge icon.png
Mods armor cover.png
Cover
Research:
290 Rp icon.png
Cost:
175 Sl icon.png
75 Ge icon.png
Mods metanol.png
Engine injection
Research:
290 Rp icon.png
Cost:
175 Sl icon.png
75 Ge icon.png
Mods engine extinguisher.png
EFS
Research:
290 Rp icon.png
Cost:
175 Sl icon.png
75 Ge icon.png
Mods ammo.png
bmg50_belt_pack
Research:
220 Rp icon.png
Cost:
135 Sl icon.png
55 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
FSBC mk.5
Research:
220 Rp icon.png
Cost:
135 Sl icon.png
55 Ge icon.png
Mod arrow 0.png
Mods weapon.png
bmg50_new_gun
Research:
250 Rp icon.png
Cost:
150 Sl icon.png
65 Ge icon.png
Mods pilon bomb.png
FLBC mk.1
Research:
250 Rp icon.png
Cost:
150 Sl icon.png
65 Ge icon.png
Mod arrow 0.png
Mods ammo.png
bmg50_turret_belt_pack
Research:
280 Rp icon.png
Cost:
170 Sl icon.png
70 Ge icon.png
Mod arrow 0.png
Mods air naval mine.png
Mk 13 Mod 0
Research:
280 Rp icon.png
Cost:
170 Sl icon.png
70 Ge icon.png
Mod arrow 0.png
Mods turret gun.png
bmg50_turret_new_gun
Research:
290 Rp icon.png
Cost:
175 Sl icon.png
75 Ge icon.png
Mods pilon bomb.png
AN-Mk 1
Research:
290 Rp icon.png
Cost:
175 Sl icon.png
75 Ge icon.png

Armaments

Offensive armament

Weapon 14 x 12.7 mm M2 Browning machine gun
Ammunition1 600 rounds
Fire rate750 shots/min
Main article: M2 Browning (12.7 mm)

The SB2U-3 is armed with:

  • 4 x 12.7 mm M2 Browning machine guns, wing-mounted (400 rpg = 1,600 total)

Suspended armament

List of setups (5)
Setup 12 x 100 lb AN-M30A1 bomb
1 x 500 lb AN-M64A1 bomb
Setup 22 x 250 lb AN-M57 bomb
1 x 500 lb AN-M64A1 bomb
Setup 31 x 1000 lb AN-M65A1 bomb
Setup 41 x 1600 lb AN-Mk 1 armor-piercing bomb
Setup 51 x 1000 lbs Type A Mark I aircraft laid magnetic mine
Main articles: AN-M30A1 (100 lb), AN-M57 (250 lb), AN-M64A1 (500 lb), AN-M65A1 (1,000 lb), AN-Mk 1 (1,600 lb)
Main article: Type A Mark I mine

The SB2U-3 can be outfitted with the following ordnance:

  • 1 x 500 lb AN-M64A1 bomb + 2 x 100 lb AN-M30A1 bombs (700 lb total)
  • 1 x 500 lb AN-M64A1 bomb + 2 x 250 lb AN-M57 bombs (1,000 lb total)
  • 1 x 1,000 lb AN-M65A1 bomb (1,000 lb total)
  • 1 x 1,600 lb AN-Mk 1 bomb (1,600 lb total)
  • 1 x Type A Mark I mine

Defensive armament

Turret12.7 mm M2 Browning machine gun
Ammunition315 rounds
Fire rate750 shots/min
Main article: M2 Browning (12.7 mm)

The SB2U-3 is defended by:

  • 1 x 12.7 mm M2 Browning machine gun, dorsal turret (315 rpg)

Usage in battles

The SB2U-3 is a carrier based dive bomber. This aircraft is a fairly slow aircraft, but sturdy. Built as a dive-bomber, it excels at diving down above a target to release its bombs. The SB2U is one of the only early aircraft in War Thunder which features dive flaps (h) to aid in retarding the build up of speed during a dive, helping prevent ripping off of wings in RB and SB. Wing mounted machine guns allow for this aircraft to strafe softer ground or water targets while waiting for bombs to reload (AB). Rear facing dorsal gunner helps to ward off enemy attackers, however it is not a game changer for this aircraft.

The SB2U is a slow aircraft which leads it to having two options, first is to hug the terrain. While flying to your target of choice (AAA sites, AA Vehicles or bases), fly along the terrain, utilize what hills and valleys there are to fly through. Time on target may be limited before the enemy gets there so line up your bombing run and drop bombs. This aircraft can manoeuvre fairly well, utilizing elevator and rudder controls, you can quickly flip this aircraft around and return to ground attacking targets you just flew over.

The second option will be to gain altitude. Going too high will render your bombs ineffective. The idea here is to gain several thousand feet, fly towards your target of choice and then dive on it. During your dive, your aircraft will build up speed, to prevent too much speed build up and control stiffening, reduce your throttle and engage landing flaps ("F" by default) as the SB2U does not have airbrakes. This will allow you a controlled descent and the ability to line up your target easier, the unfortunate down side is that now you are slowly moving in a straight line, easy target for enemy fighters. Once you swoop on your target and release your bombs, engage full throttle and retract dive brakes.

While this aircraft is slow, it can be utilized to attack fighters if in a pinch. The manoeuvrability of this aircraft along with its slow speed can aid in forcing an attacking enemy to overshoot or underestimate the capabilities of this aircraft.

The rear-facing dorsal gunner does not deter much, don't rely on him to clear your tail of trailing aircraft. Enemy fighters will assume this aircraft to be an easy target due to its size and slow speed.

The SB2U is a slow aircraft, however it is manoeuvrable. Due to the large surface area of the wings and rudder, it can make quick reversals through wing-overs causing faster fighters to overshoot. The rear-gunner does not pack much of a punch, however coming at this aircraft from the underside will avoid any offensive/defensive weapons allowing for time to line up a shot. Aim for critical areas of the aircraft (engine, pilot, fuel…) as the body of the aircraft can soak up a good amount of damage.

An interesting fighting technique against enemy bombers, if altitude, airspeed and lack of nearby enemy fighters permits, is to engage in a "Turret fighting" mode. Start with a 700m+ altitude advantage and 300km/h and look for isolated medium/heavy bombers. (If the bomber in question has significant forward firepower, such as the British DB-3(Quad 7.7mm MG) or the BV 138 B-1(20mm MG151), this technique is best avoided as these will make short work of your vulnerable tail. Do your homework and find which bombers are vulnerable in the nose) Dive on the bomber at a shallow angle (about 20 degrees will do) and fire with your forward MGs if you can. Bank under the target bomber and match his airspeed and climb angle and switch to gunner view. If you successfully followed the instructions your gunner should have an easy view of the front of the enemy bomber, and with sufficient aim and trigger discipline, you should be able to put enough gunfire into his engines or even pilot snipe him to take him down.

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:

  • Manoeuvrable
  • Dual role dive bomber/attacker
  • Good diver
  • Armament of four .50 cal machine guns give it good frontal firepower

Cons:

  • Large target
  • Slow speed
  • Weak defensive weapons
  • Small payload

History

The mid-1930s was an exciting time of military aircraft development. As is with technological changes, designers, developers and engineers look for ways to eke out as much power, speed or even damage infliction as possible. Aircraft which imbue the best of these qualities are typically the ones which get contracts with the military.

The United States Navy was continuously looking to upgrade its fleet of aircraft and in 1934 sought to receive proposals for a new scout bomber designed for carrier usage. This scout bomber requirement was unique for the time as the request came in two parts, the aircraft manufactures had the choice to submit either a monoplane or biplane option. Six manufactures competed in the proposal, and Vought was the only manufacturer which submitted a prospective aircraft in each category. At the time, monoplanes were still relatively new while biplanes had a known track record. Vought favoured the monoplane design, however, concluded that providing a submission in each category allowed them to be competitive no matter the category the Navy selected. Of the six companies submissions, four of them won contracts with the U.S. Navy and Vought's monoplane XSB2U-1 was one of them.

The SB2U-1 was a conventional low-wing monoplane of the mid-1930s. The fuselage construction consisted of steel tubes which had aluminium panels covering the aircraft from the engine cowling to the rear cockpit where the tail gunner sat. A majority of the rear portion of the fuselage utilised fabric covering. The wings were all metal and could fold up for storage on the aircraft carriers when not in use, accommodating more aircraft. This aircraft was a two-crew aircraft needing only a pilot and tail-gunner who could also operate as a spotter. The aircraft sported a Pratt & Whitney R-1535-2 Twin-Wasp Junior radial engine which worked in conjunction with a two-bladed constant-speed propeller. The intent was to have the propeller work as a dive brake during diving attack runs. However, this proved to be less effective, and pilots tended to lower the landing gear, which provided more drag which they needed. The aircraft utilised a swinging trapeze under the fuselage of the aircraft to sling a bomb during a diving attack to ensure it would clear the propeller arc. Pilots found that the best practice for dropping the 1,000 lb bombs was to dive at a shallower angle to ensure proper speed and clearance when dropping the large bomb. Smaller bombs could be mounted under the wings to allow for an additional 500 lbs.

In 1938, the U.S. Navy submitted an order to add to their growing collection of SB2Us and requested 58 SB2U-2 scout bombers which were a slightly modified version of the SB2U-1. There were no physical differences; however, there were minor changes in the equipment installed on the aircraft.

Later in 1939, the United States Marine Corps placed an order for SB2U-3 aircraft. Their needs were a little different than the Navy's needs, so their aircraft required upgrades. Intended to be a long-range scout bomber, this version of the aircraft was outfitted with integral wing fuel tanks to allow for farther range and had the aircraft's tail increased in size to increase aircraft manoeuvrability when using the rudder. A total of 57 SB2U-3 Vindicators were built, and many saw combat in the Battle of Midway.

Media

Skins
Videos
Best Combo #3 discusses the SB2U-3 at 0:38 - War Thunder Official Channel

See also

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;
  • links to approximate analogues of other nations and research trees.

External links


Chance Vought Aircraft
Fighters 
Corsair  F4U-1A · F4U-1A (USMC) · F4U-1C · F4U-1D · F4U-4 · F4U-4B · F4U-4B VMF-214
Float planes  O3U-1 · OS2U-1 · OS2U-3
Attackers  AU-1
Bombers  SB2U-2 · SB2U-3
Jet aircraft 
Corsair II  A-7D · A-7E · A-7K
Crusader  F8U-2 · F-8E
Export  V-156-B1 · V-156-F · ▄Corsair F Mk II · F4U-7 · ▄F-8E(FN)
Captured  ▅F4U-1A

USA bombers
Dive  SB2U-2 · SB2U-3 · SBD-3 · SB2C-1C · SB2C-4
Torpedo  TBD-1 · PBY-5 Catalina · PBY-5A Catalina · TBF-1C · BTD-1
Medium  B-10B · B-18A · B-34 · PV-2D · B-25J-1 · B-25J-20 · A-26C-45 · A-26C-45DT · B-26B
Heavy  B-17E · B-17E/L · B-17G-60-VE · PB4Y-2 · B-24D-25-CO · B-29A-BN
Hydroplanes  OS2U-1 · OS2U-3 · PBM-1 "Mariner" · PBM-3 "Mariner" · PBM-5A "Mariner"

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