Difference between pages "Bf 109 K-4" and "SB 2M-103"

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{{Specs-Card|code=bf-109k-4}}
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{{Specs-Card|code=sb_2m_103c}}
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{{Notice|''This page is about the aircraft '''{{PAGENAME}}'''. For other uses, see [[Bf_109_(Disambiguation)|Bf 109 (Disambiguation)]]''}}
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{{About
 +
| about = Russian bomber '''{{PAGENAME}}'''
 +
| usage = other variants
 +
| link = SB 2M (Family)
 +
}}
  
 
== 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 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 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.''-->
−
[[File:GarageImage_Bf109K4.jpg|420px|thumb|left]]
+
 
 +
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left|]]
 
{{break}}
 
{{break}}
−
The '''{{Specs|name}}''' is a Rank {{Specs|rank}} German fighter {{Battle-rating|2}}. It was in the game since the start of the Open Beta Test prior to Update 1.29. The K-4 is the pinnacle of the famed [[Bf_109_(Disambiguation)|109 series]]. The `'''K'''urfürst´ frame is the last iteration and was focused on ease of production rather than performance, yet it features the best power to weight ratio and acceleration of any 109, turning this machine into a beast. However, the age of the design is showing with bad high speed characteristics.
+
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Russian bomber {{Battle-rating}}. This aircraft has been in the game since the start of the Open Beta Test prior to Update 1.27.
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−
Use your outstanding climb rate and keep speed. Your main principle of combat should be energy fighting tactics. Up to its top-speed (as this feature is derived from the engine) it has a good acceleration with WEP. This grants the machine reasonable zoom abilities. If chased, dodge away from your enemy with fancy manoeuvers without losing too much speed. In Realistic Battle try to do a climb spiral, but be sure you are in a better energy state! A miscalculation and the foe will have the opportunity for an easy deflection shot.
 
−
 
 
−
However, there are also downsides. Top-speed can be reached quickly, yet it is not fast when stock. While it does have an edge in agility, it has bad low-speed manoeuvrability. Furthermore, these foes will not usually engage in manoeuvering combat; rendering this advantage moot.
 
−
 
 
−
K-4 can outmanoeuver these planes at medium speeds (<450 IAS/kph): [[P-51]] (all types), [[P-47D-28|P-47D]], [[Typhoon_Mk_Ib/L|Typhoons]] and the [[La-9]]. However it will have a hard time on dealing with other late Rank IV aircraft, especially Spitfires. It is highly recommended that you use rudder during rolls as this increases roll rate dramatically. This is useful if you're trying to force a dive overshoot or avoid shots.
 
  
 
== General info ==
 
== General info ==
 
=== Flight Performance ===
 
=== Flight Performance ===
−
<!--''Describe how the aircraft behaves in the air. Maximum speed, maneuverability, speed and allowable loads - these are the most important characteristics of the vehicle.''-->
+
''Describe how the aircraft behaves in the air. Maximum speed, manoeuvrability, speed and allowable loads - these are the most important characteristics of the vehicle.''
 +
 
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
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! colspan="8" | ''Stock''
 
! colspan="8" | ''Stock''
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 6,000 m)
+
! colspan="2" | Max Speed<br>(km/h at ?,000 m)
 
! rowspan="2" | Max altitude<br>(meters)
 
! rowspan="2" | Max altitude<br>(meters)
 
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Turn time<br>(seconds)
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! RB
 
! RB
 
|-
 
|-
−
| 681 || 667 || 12,800 || 12.5 || 21.1 || 15.1 || 18.0 || 333
+
| ? || ? || {{Specs|ceiling}} || ??.? || ??.? || ??.? || ??.? || ???
 
|-
 
|-
 
! colspan="8" | ''Upgraded''
 
! colspan="8" | ''Upgraded''
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 6,000 m)
+
! colspan="2" | Max Speed<br>(km/h at ?,000 m)
 
! rowspan="2" |Max altitude (meters)
 
! rowspan="2" |Max altitude (meters)
 
! colspan="2" | Turn time (seconds)
 
! colspan="2" | Turn time (seconds)
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! RB
 
! RB
 
|-
 
|-
−
| ? || ? || 12,800 || ??.? || ??.? || ?.? || ?.? || 333
+
| ? || ? || {{Specs|ceiling}} || ??.? || ??.? || ??.? || ??.? || ???
 
|-
 
|-
 
|}
 
|}
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! -
 
! -
 
|-
 
|-
−
| 790 || 450 || 520 || ~17 || ~10
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| {{Specs|разрушение|конструкции}} || {{Specs|разрушение|шасси}} || ??? || ~?? || ~?
 
|-
 
|-
 
|}
 
|}
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! Radiator<br>(km/h)
 
! Radiator<br>(km/h)
 
|-
 
|-
−
| < 390 || < 390 || < 470 || > 250
+
| < ??? || < ??? || < ??? || > ???
 
|-
 
|-
 
|}
 
|}
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! WEP Engine power
 
! WEP Engine power
 
|-
 
|-
−
| 6,900 m || 1,250 hp || 1,775 hp  
+
| ?,??? m || ??? hp || ?,??? hp  
 
|-
 
|-
 
<!--! colspan="3" | Setting 2
 
<!--! colspan="3" | Setting 2
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=== 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. Describe the armour, if there is any, also mention the vulnerability of other critical aircraft systems.''
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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. Describe the armour, if there is any, also mention the vulnerability of other critical aircraft systems.-->
 +
 
 +
* Single 6mm steel plate behind the pilot
 +
* No armour glazing
 +
* Fuel tanks located in wings
 +
* Self Sealing fuel tanks
  
 
== Armaments ==
 
== Armaments ==
−
=== Offensive armament ===
+
=== Suspended armament ===
−
<!--''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 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|MK 108 (30 mm)|MG 151/20 (20 mm)|MG 131 (13 mm)}}
+
{{main|FAB-100 (100 kg)|FAB-250M43 (250 kg)|FAB-500 (500 kg)}}
 +
 
 +
The '''''SB 2M-103''''' can be outfitted with the following ordnance:
 +
 
 +
* 6 x 100 kg FAB-100 bombs (600 kg total)
 +
* 2 x 250 kg FAB-250M43 bombs + 6 x 100 kg FAB-100 bombs (1100 kg total)
 +
* 2 x 250 kg FAB-250M43 bombs (500 kg total)
 +
* 4 x 250 kg FAB-250M43 bombs (1000 kg total)
 +
* 2 x 250 kg FAB-250M43 bombs + 2 x 500 kg FAB-500 bomb (1500 kg total)
 +
* 1 x 500 kg FAB-500 bomb (500 kg total)
 +
* 3 x 500 kg FAB-500 bomb (1500 kg total)
 +
* 2 x 250 kg FAB-250M43 bombs + 1 x 500 kg FAB-500 bomb (1000 kg total)
 +
 
 +
=== 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.-->
 +
{{main|ShKAS (7.62 mm)}}
 +
 
 +
*2 x 7.62 mm ShKAS machine gun, nose turret (950 rpg = 1,900 total)
 +
*1 x 7.62 mm ShKAS machine gun, dorsal turret (1,000 rpg)
 +
*1 x 7.62 mm ShKAS machine gun, ventral turret (500 rpg)
 +
 
 +
== 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).'' -->
 +
'''Arcade Battles:'''
 +
 
 +
This bomber is quite fast for its BR so you should use this as an advantage. For example, you should climb directly at the beginning of the match to 5,000 m and destroy the enemy bases with setup 5 (2 x 250 kg + 2 x 500 kg) which is the heaviest payload you'll have with this plane.
 +
 
 +
'''Realistic Battles:'''
 +
 
 +
In Realistic battles you should use the same tactics as in Arcade battles. Note that 2 x 500 kg FAB 500 bombs are enough to destroy a base.
 +
 
 +
'''Simulator Battles:'''
  
−
The Bf 109 K-4 is armed with:
+
In Sim, the overall tactic remains the same as other bombers: base/airfield bombing. However, there are several notes for this particular SB 2M bomber.
  
−
* A choice between a 30 mm MK 108 or a 20 mm MG 151:
+
Maybe it's because of the design of short fuselage and huge wings, or it's caused by something else, the SB 2M is super hard to control in the pitch. If you leave the stick at the deadzone, the aircraft will automatically climb or dive which will lead to a crash if unnoticed. Trimming doesn't help. For the gunner view, even though you might have the "autopilot when in gunner view" enabled, it won't help either, as it will still continuously pitch up and down like a boat. Also note that when switching to gunner view, it will sometimes uncontrollably roll to one side which will make it enter a spin quickly. Therefore this bomber is extremely frustrating to fly in Sim.
−
** 1 x 30 mm MK 108 cannon, nose-mounted (65 rpg)
 
−
** 1 x 20 mm MG 151 cannon, nose-mounted (200 rpg)
 
−
* 2 x 13 mm MG 131 machine guns, nose-mounted (300 rpg = 600 total)
 
  
−
=== Suspended armament ===
+
Note: the setup with the most explosive mass is the 2x 250 kg + 2x 500 kg, but this way the two 500 kg bombs are carried under the wing roots and the two 250 kg inside the bomb bay. So if you use the default keybind (space) to open bomb bay ''and'' drop bombs, the timing will get messed up when bombing a base, since the two wing-mounted bombs will go first, ''then'' the bomb bay opens, dropping the two inside. The time between the two drops are long enough for one drop to completely miss the target. To avoid this, set up a keybind for open / close bomb bay, and drop bomb series (all bombs go at once). When approaching a base, open the bomb base first, then drop all the bombs, they will now all hit the target.
−
<!--''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|MG 151/20 (20 mm)}}
 
  
−
The Bf 109 K-4 can be outfitted with the following:
+
When bombing airfields, make sure to fly above 2,000 m to avoid the AAA, as this plane is unprotected and its coolers will often get damaged, leading to the engines overheating. You should familiarise each module of the airfield to maximise the damage. The airstrip is the most visible and the easiest one to hit, however bombing it seems to halve your reward. So it is recommended to bomb everything else: hangar, fuel area, living quarters, etc. The plane hangars are probably easy, since they aren't too small.
  
−
* 2 x 20 mm MG 151 cannons, wing-mounted (135 rpg = 270 total)
+
'''Against the SB 2M (all modes but mostly in sim):'''
  
−
== Usage in battles ==
+
You should be very careful against bombers since with the Sim control (whether it be mouse joystick or a real stick) the plane will manoeuvre much more gently, making yourself a great target for the bomber's gunners. DO NOT follow behind the SB 2M's six unless you are sure that its tail gunners are unconscious. Chasing behind the SB 2M makes yourself pretty much stationary for the tail gunners, and you will be showered with 7.62 mm bullets.
−
<!--''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).''-->
 
−
[[File:Cockpit_Bf109k4.jpg|thumbnail|right|The Bf 109 K-4's instrument panel.]]
 
−
The [[MK 108 (30 mm)|MK 108]] is a double-edged sword: Nicknamed by the allies for its characteristic sound, the `''Jackhammer''´ is true to its name. Slow but powerful. Its '''main purpose''': Demolition of heavy objects, such as fortresses, preferably B-17G.<br />All this does not help for its '''''common''''' '''purpose''' in War Thunder: Hunting fighter planes. The cannon's rate of fire is extremely low, making it good for conserving ammo, but bad for deflection shots. Furthermore, the minengeschoß-shells are slow; very slow. Either one becomes very good at aiming their shots, or does the historic thing and closes the distance. Kills are generally done below 300 m/400 yards, if not closer. On the plus side, the damage is equivalent to most 37 mm cannons upon hitting. Tip: In order to better learn and understand the cannon's trajectory; do not fire with machine guns.
 
  
−
The two additional machine guns are best fired alone. The [[MG 131 (13 mm)|MG 131]] features HE shells (named IAI ingame) as ''Tracer belt''. Yet they are only an interesting choice for Simulator Battle, where they will deal good damage to control surface areas, causing inexperienced pilots to lose control. In Arcade and Realistic battle however, the instructor will dampen any such effects. Here, the damage-based ''Stealth-'' and ''Fighter belt'' fare better.
+
If your plane is an early biplane armed with weak MG (2-4 x 7.7 mm or below), you should use deflection shots. That is, imagine yourself as an anti-air missile, predict where you two will meet and fly towards that point. This way it gives the gunners little window to open fire at you. When firing, try to aim for the cockpit for a possible pilot-snipe, as the pilot is very unprotected. Or aim at its engines to damage it or the cooler. Without an engine the SB 2M won't fly far.
  
−
The plane should be played with 2 load-outs: either the single 30 mm Canon or 3 x 20 mm Cannons. The single 30 mm is very capable of taking out 2-3 bombers and the muzzle velocity matters less due to the large targets. The 3 x 20 mm cannons are very capable of taking out fighters due to the high shell density and 2 of your guns being on the wings. The single 20 mm does not deal enough damage and the 30 mm with gunpods is rather ineffective due to the different muzzle velocities.
+
If you are flying an interceptor/heavy fighter that is heavily armed and armoured, you can just sit behind the SB 2M and confidently take out its crew/modules one by one, as its 7.62 mm MG has rather weak penetration and damage. This is the most precise way of damaging an aircraft, however the safest tactic is still, and will always be deflection shooting. One accurate burst will critically damage the weak airframe of the SB 2M, or snap off its wing straight away.
  
−
===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
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! rowspan="2" | Mixer
−
! rowspan="2" |Pitch
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! 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" | Not controllable || rowspan="2" | Not controllable || rowspan="2" | Not controllable || rowspan="2" | Separate || rowspan="2" | Not ontrollable || rowspan="2" | Not controllable
+
| Controllable || Controllable<br>Not auto controlled || Not controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Combined || Not controllable<br>1 gear || Not controllable
 
|-
 
|-
 
|}
 
|}
  
−
===Modules===
+
=== Modules ===
 
{| class="wikitable"
 
{| class="wikitable"
 
! Tier
 
! Tier
−
! Flight performance
+
! colspan="2" | Flight performance
 
! Survivability
 
! Survivability
−
! Weaponry
+
! colspan="2" | Weaponry
 
|-
 
|-
 
| I
 
| I
−
| Fuselage Repair, Radiator
+
| Fuselage repair
−
|  
+
| Radiator
−
| Offensive 7 mm, ETC 50/VIIId
+
|
 +
| Turret 7 mm
 +
|
 
|-
 
|-
 
| II
 
| II
 +
|
 
| Compressor
 
| Compressor
−
| Airframe
+
|
−
| New 7 mm MGs
+
|
 +
| DER-33
 
|-
 
|-
 
| III
 
| III
−
| Wing Repair, Engine
+
| Wings repair
−
|  
+
| Engine
−
| Offensive 20 mm, ETC 500/IXb
+
| Airframe
 +
| New 7 mm MGs (turret)
 +
| Der-19
 
|-
 
|-
 
| IV
 
| IV
−
| Engine Injection
+
|
 +
|
 
| Cover
 
| Cover
−
| New 20 mm Cannons
+
|
 +
|
 
|-
 
|-
 
|}
 
|}
−
 
−
The true acceleration power is only unlocked very late into the grind. Especially Tier 4 ''Engine injection'' provides a significant boost and is top priority. On the way their all engine upgrades should be taken.
 
−
13 mm Belts are Helpful for removing tracer rounds. 20 mm Gun pods with belts and Gun upgrade are a viable choice but engine injection remains a priority.
 
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
<!--''Summarize and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they have a substitution in the form of softer "inadequate", "effective".''-->
+
<!-- ''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:'''
−
* Very powerful engine when using WEP, providing excellent acceleration and climb rate.
+
 
−
* MEC can extend its climb rate and top speed RB/SB.
+
* Adequate speed for a bomber, allowing it to get to targets quickly
−
* Nose mounted weaponry.
+
* Great turn rate allows it to change direction quickly, or to even dodge attacks
−
* Good performance at medium altitude.
+
* Nice payload allows it to finish off a base in one go, or destroy tanks / pillboxes easily
−
* Good firepower for killing bombers.
+
* Great defensive firepower at the tail (2 x 7.62 mm MGs) with fast firerate, good trajectory and plenty of ammo allows it to deal with enemies on its six effectively
−
* Can carry additional armament.
 
−
* Performance on par with Griffon Spitfires (even better when fully upgraded).
 
−
* 30 mm cannon will destroy anything that it hits.
 
−
* Can research nose-mounted 20 mm MG 151 cannon.
 
−
* Exceptional high speed manoeuvrability.
 
  
 
'''Cons:'''
 
'''Cons:'''
−
* Low cannon ammunition count for the 30 mm MK 108 cannon and the 13 mm MG 131 machine guns.
+
 
−
* Low velocity 30 mm shell with high drop, resulting a VERY large lead angle on targets in turn leading to poor dogfight performance due to having to pull extreme turns to get guns on target.
+
* Defensive guns don't cover the belly and the sides well, and are quite light against fighters such as [[Bf 109 E-1]] or [[Ki-61 (Family)|Ki-61]]
−
* Flimsy frame, prone to react heavily to damage.
+
* Crew and important parts (eg. fuel tank, engines, coolers) lack protection, increasing the chance of being pilot-sniped or critically damaged. Combined with its weak airframe, it is vulnerable to heavy fighters like [[Ju 88 (Family)|Ju 88]].
−
* Very heavy and slow to fly without WEP when stock.
+
* In Simulator, it is extremely hard to control. No matter how precisely you trim, it will always automatically pitch up and down. Also when switching to gunner view, it will roll, causing a death spin.
−
* Stock 13 mm machine gun belts consist solely out of tracers. They alert the enemy aware of your presence, make aiming the 30 mm impossible, and do nothing else.
 
−
* Fighters with lower top speeds but better low altitude performances (such as Russia's La-7 fighters) will find it quite easy to run you down if you are at a low energy state.
 
  
 
== 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 "/ 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.''-->
+
''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 <code>main</code> template. Be sure to include links to sources at the end of the article.''
−
The Bf 109 K-4 was one of Kurfurst Bf 109 series, Kurfurst was the last series of 109 before war's end. The K series was the most upgraded and most expensive 109 and with war coming to an end not many were built. Work on the K series began in the spring of 1943 and prototype was ready by autumn of the same year. The series began production in August 1944 with the K-4 but due to changes to the design and delays with the new DB605D engine, the K-4 was the only one to be mass produced. Externally, the Kurfurst series had changes in radio equipment location hatch. A filler point for the fuselage fuel tank, and with removal of the D/F loop, were the main external differences to other Bf109 series. The landing gear also had doors that closed up the bottom completely and armament was the Motorkanone 108 (30 mm) , 2 x MG 131 (13 mm), with additional 2 gun pods of MG 151 (20 mm). Payloads included a 500 kg bomb or on rare occasion Wfr.Gr.21 Rockets (21 cm). Due to limited resources many of the variants didn't enter production.  
+
 
 +
=== In-game description ===
 +
In 1937, designers under the direction of A. A. Arkhangelski began working to improve the SB even more. The aircraft received a 960 hp Klimov M-103 twelve-cylinder, V-shaped, liquid-cooled engine. The M-103 engine, created in 1936-37, was based on the M-100.
 +
 
 +
After testing was performed, the SB 2M-103 bomber was launched into full-scale production in 1938 under the designation of ""96th series"".
 +
SB 2M-103 planes of the 96th series had external DER-19 bomb racks under the centre wing section that were designed to carry aerial bombs weighing up to 500 kg. The aircraft's maximum bomb capacity was increased up to 1,500 kg. DER-19 racks could house external teardrop-shaped fuel tanks with a capacity of 370 litres each.
 +
 
 +
To improve reliability, a mechanical bomb release system was introduced and also duplicated in the pilot's cockpit. The aircraft was equipped with an AFA-13 photo camera. An electrohydraulic landing gear retraction system was used, and the pilot's chair received an armored backrest. Due to these many changes, the aircraft's flight weight increased significantly, and the airframe's structure was strengthened.
 +
From this point on, all production SB 2M-103s began to be produced with a shielded MV-3 gun turret and an LU hatch mount with an optical sight. An inert gas filling system was introduced for the fuel tanks.
 +
 
 +
Planes of later production series had modified M-103U and M-103A engines. These engines were equipped with ducted coolant radiators located over the engine. The power unit cowling was completely changed. For this, the engine oil coolers were moved to the leading edge of the outer wing.
 +
 
 +
This SB 2M-103 with ducted radiators became the most high-speed model among production SB bombers, reaching a speed of 450 km/h at a height of 4,100 m. These bombers were produced full-scale from 1939-40, being nicknamed ""Shchuka"" (""Pike"", as a fish) among the troops, due to the distinctive form of their engine cowls.
  
−
Variants:
+
From December 1939 on, all SB bombers were equipped with VISh-22 three-bladed, controllable-pitch propellers.
−
*R I ETC 501/IX b or Schloß 503belly bomb rack, fusing equipment for fitting a 250 kg (550 lb) or 500 kg (1,100 lb) bomb
 
−
*R III Schloß 503A-1 rack for one fuselage drop tank (300 L/80 US gal).
 
−
*R IV BSK 16 gun-camera in the left wing between nose ribs 3 and 4.
 
−
*R VI two 20 mm Mauser MG 151/20 under wing gun pods with 135 rpg.
 
−
*K-0 Pre-production aircraft, powered by a DB 605DM engine
 
−
*K-2 proposed version without pressurized cockpit
 
−
*K-4 only serial production version without pressurized cockpit, powered by a DB 605DM (early pdn) or DB/DC engine
 
−
*K-6 proposed heavy fighter version, as K-4 with reinforced wings holding two additional 30 mm MK 108 cannons and additional armour
 
−
*K-8 proposed reconnaissance version, equipment similar to G-8
 
−
*K-10 proposed version, similar to K-6, MK 103 M engine cannon instead of MK 108
 
−
*K-12 proposed version, dual-seat trainer similar to G-12
 
−
*K-14 proposed version, similar to K-6, powered by a DB 605L engine
 
  
 
== Media ==
 
== Media ==
−
''An excellent addition to the article will be video guides, as well as screenshots from the game and photos.''
+
<!--Excellent additions to the article would be video guides, screenshots from the game, and photos.-->
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{{Youtube-gallery|1R9OL0Hf-yw|'''The Shooting Range #33''' - ''Pages of History'' section at 03:10 discusses the SB 2M.}}
  
 
== See also ==
 
== See also ==
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''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
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<!--''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;''
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* ''links to approximate analogues of other nations and research trees.''-->
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;Aircraft of comparable role, configuration and era
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* Martin [[B-10B|B-10]]
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* Martin [[Martin 139WC|139WC]]
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* Fiat [[BR.20 DR|BR.20]]
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* Martin [[Martin 167-A3|167]] Maryland
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* Mitsubishi [[Ki-21-Ia|Ki-21]]
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* Heinkel [[He 111 H-3|He 111]]
  
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== Sources ==
 
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* ''other literature.''
 
* ''other literature.''
  
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{{Germany fighters}}
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{{AirManufacturer Tupolev}}
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{{USSR bombers}}

Revision as of 02:31, 6 July 2020

Rank 6 USA
F-5C Pack
SB 2M-103
sb_2m_103c.png
SB 2M-103
USSR flag.png USSR
I Rank
Battle rating:
AB RB SB
2.0 2.0 2.0
Class:
Research:2 000 Specs-Card-Exp.png
Purchase:2 100 Specs-Card-Lion.png
Show in game
This page is about the Russian bomber SB 2M-103. For other variants, see SB 2M (Family).

Description

GarageImage SB 2M-103.jpg


The SB 2M-103 is a rank I Russian bomber with a battle rating of 2.0 (AB/RB/SB). This aircraft has been in the game since the start of the Open Beta Test prior to Update 1.27.

General info

Flight Performance

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

Characteristics
Stock
Max Speed
(km/h at ?,000 m) 		Max altitude
(meters) 		Turn time
(seconds) 		Rate of climb
(meters/second) 		Take-off run
(meters)
AB RB AB RB AB RB
 ?  ? 9560  ??.?  ??.?  ??.?  ??.?  ???
Upgraded
Max Speed
(km/h at ?,000 m) 		Max altitude (meters) Turn time (seconds) Rate of climb
(meters/second) 		Take-off run (meters)
AB RB AB RB AB RB
 ?  ? 9560  ??.?  ??.?  ??.?  ??.?  ???

Details

Features
Combat flap Take-off flap Landing flap Air brakes Arrestor gear
✓ ✓ ✓ X X
Limits
Wing-break speed
(km/h) 		Gear limit
(km/h) 		Combat flap
(km/h) 		Max Static G
+ -
0 350  ??? ~?? ~?
Optimal velocities
Ailerons
(km/h) 		Rudder
(km/h) 		Elevators
(km/h) 		Radiator
(km/h)
< ??? < ??? < ??? > ???
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
 ?,??? m  ??? hp  ?,??? hp

Survivability and armour

  • Single 6mm steel plate behind the pilot
  • No armour glazing
  • Fuel tanks located in wings
  • Self Sealing fuel tanks

Armaments

Suspended armament

Main articles: FAB-100 (100 kg), FAB-250M43 (250 kg), FAB-500 (500 kg)

The SB 2M-103 can be outfitted with the following ordnance:

  • 6 x 100 kg FAB-100 bombs (600 kg total)
  • 2 x 250 kg FAB-250M43 bombs + 6 x 100 kg FAB-100 bombs (1100 kg total)
  • 2 x 250 kg FAB-250M43 bombs (500 kg total)
  • 4 x 250 kg FAB-250M43 bombs (1000 kg total)
  • 2 x 250 kg FAB-250M43 bombs + 2 x 500 kg FAB-500 bomb (1500 kg total)
  • 1 x 500 kg FAB-500 bomb (500 kg total)
  • 3 x 500 kg FAB-500 bomb (1500 kg total)
  • 2 x 250 kg FAB-250M43 bombs + 1 x 500 kg FAB-500 bomb (1000 kg total)

Defensive armament

Main article: ShKAS (7.62 mm)
  • 2 x 7.62 mm ShKAS machine gun, nose turret (950 rpg = 1,900 total)
  • 1 x 7.62 mm ShKAS machine gun, dorsal turret (1,000 rpg)
  • 1 x 7.62 mm ShKAS machine gun, ventral turret (500 rpg)

Usage in battles

Arcade Battles:

This bomber is quite fast for its BR so you should use this as an advantage. For example, you should climb directly at the beginning of the match to 5,000 m and destroy the enemy bases with setup 5 (2 x 250 kg + 2 x 500 kg) which is the heaviest payload you'll have with this plane.

Realistic Battles:

In Realistic battles you should use the same tactics as in Arcade battles. Note that 2 x 500 kg FAB 500 bombs are enough to destroy a base.

Simulator Battles:

In Sim, the overall tactic remains the same as other bombers: base/airfield bombing. However, there are several notes for this particular SB 2M bomber.

Maybe it's because of the design of short fuselage and huge wings, or it's caused by something else, the SB 2M is super hard to control in the pitch. If you leave the stick at the deadzone, the aircraft will automatically climb or dive which will lead to a crash if unnoticed. Trimming doesn't help. For the gunner view, even though you might have the "autopilot when in gunner view" enabled, it won't help either, as it will still continuously pitch up and down like a boat. Also note that when switching to gunner view, it will sometimes uncontrollably roll to one side which will make it enter a spin quickly. Therefore this bomber is extremely frustrating to fly in Sim.

Note: the setup with the most explosive mass is the 2x 250 kg + 2x 500 kg, but this way the two 500 kg bombs are carried under the wing roots and the two 250 kg inside the bomb bay. So if you use the default keybind (space) to open bomb bay and drop bombs, the timing will get messed up when bombing a base, since the two wing-mounted bombs will go first, then the bomb bay opens, dropping the two inside. The time between the two drops are long enough for one drop to completely miss the target. To avoid this, set up a keybind for open / close bomb bay, and drop bomb series (all bombs go at once). When approaching a base, open the bomb base first, then drop all the bombs, they will now all hit the target.

When bombing airfields, make sure to fly above 2,000 m to avoid the AAA, as this plane is unprotected and its coolers will often get damaged, leading to the engines overheating. You should familiarise each module of the airfield to maximise the damage. The airstrip is the most visible and the easiest one to hit, however bombing it seems to halve your reward. So it is recommended to bomb everything else: hangar, fuel area, living quarters, etc. The plane hangars are probably easy, since they aren't too small.

Against the SB 2M (all modes but mostly in sim):

You should be very careful against bombers since with the Sim control (whether it be mouse joystick or a real stick) the plane will manoeuvre much more gently, making yourself a great target for the bomber's gunners. DO NOT follow behind the SB 2M's six unless you are sure that its tail gunners are unconscious. Chasing behind the SB 2M makes yourself pretty much stationary for the tail gunners, and you will be showered with 7.62 mm bullets.

If your plane is an early biplane armed with weak MG (2-4 x 7.7 mm or below), you should use deflection shots. That is, imagine yourself as an anti-air missile, predict where you two will meet and fly towards that point. This way it gives the gunners little window to open fire at you. When firing, try to aim for the cockpit for a possible pilot-snipe, as the pilot is very unprotected. Or aim at its engines to damage it or the cooler. Without an engine the SB 2M won't fly far.

If you are flying an interceptor/heavy fighter that is heavily armed and armoured, you can just sit behind the SB 2M and confidently take out its crew/modules one by one, as its 7.62 mm MG has rather weak penetration and damage. This is the most precise way of damaging an aircraft, however the safest tactic is still, and will always be deflection shooting. One accurate burst will critically damage the weak airframe of the SB 2M, or snap off its wing straight away.

Manual Engine Control

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

Modules

Tier Flight performance Survivability Weaponry
I Fuselage repair Radiator Turret 7 mm
II Compressor DER-33
III Wings repair Engine Airframe New 7 mm MGs (turret) Der-19
IV Cover

Pros and cons

Pros:

  • Adequate speed for a bomber, allowing it to get to targets quickly
  • Great turn rate allows it to change direction quickly, or to even dodge attacks
  • Nice payload allows it to finish off a base in one go, or destroy tanks / pillboxes easily
  • Great defensive firepower at the tail (2 x 7.62 mm MGs) with fast firerate, good trajectory and plenty of ammo allows it to deal with enemies on its six effectively

Cons:

  • Defensive guns don't cover the belly and the sides well, and are quite light against fighters such as Bf 109 E-1 or Ki-61
  • Crew and important parts (eg. fuel tank, engines, coolers) lack protection, increasing the chance of being pilot-sniped or critically damaged. Combined with its weak airframe, it is vulnerable to heavy fighters like Ju 88.
  • In Simulator, it is extremely hard to control. No matter how precisely you trim, it will always automatically pitch up and down. Also when switching to gunner view, it will roll, causing a death spin.

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.

In-game description

In 1937, designers under the direction of A. A. Arkhangelski began working to improve the SB even more. The aircraft received a 960 hp Klimov M-103 twelve-cylinder, V-shaped, liquid-cooled engine. The M-103 engine, created in 1936-37, was based on the M-100.

After testing was performed, the SB 2M-103 bomber was launched into full-scale production in 1938 under the designation of ""96th series"". SB 2M-103 planes of the 96th series had external DER-19 bomb racks under the centre wing section that were designed to carry aerial bombs weighing up to 500 kg. The aircraft's maximum bomb capacity was increased up to 1,500 kg. DER-19 racks could house external teardrop-shaped fuel tanks with a capacity of 370 litres each.

To improve reliability, a mechanical bomb release system was introduced and also duplicated in the pilot's cockpit. The aircraft was equipped with an AFA-13 photo camera. An electrohydraulic landing gear retraction system was used, and the pilot's chair received an armored backrest. Due to these many changes, the aircraft's flight weight increased significantly, and the airframe's structure was strengthened. From this point on, all production SB 2M-103s began to be produced with a shielded MV-3 gun turret and an LU hatch mount with an optical sight. An inert gas filling system was introduced for the fuel tanks.

Planes of later production series had modified M-103U and M-103A engines. These engines were equipped with ducted coolant radiators located over the engine. The power unit cowling was completely changed. For this, the engine oil coolers were moved to the leading edge of the outer wing.

This SB 2M-103 with ducted radiators became the most high-speed model among production SB bombers, reaching a speed of 450 km/h at a height of 4,100 m. These bombers were produced full-scale from 1939-40, being nicknamed ""Shchuka"" (""Pike"", as a fish) among the troops, due to the distinctive form of their engine cowls.

From December 1939 on, all SB bombers were equipped with VISh-22 three-bladed, controllable-pitch propellers.

Media

The Shooting Range #33 - Pages of History section at 03:10 discusses the SB 2M.

See also

Aircraft of comparable role, configuration and era

Sources

Paste links to sources and external resources, such as:

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


Tupolev Design Bureau (Ту́полев Опытное конструкторское бюро)
Bombers  TB-3M-17-32 · SB 2M-100 · SB 2M-103 MV-3 · SB 2M-103 · SB 2M-103U · SB 2M-103U MV-3 · SB 2M-105
  Tu-2 · Tu-2S · Tu-2S-44 · Tu-2S-59 · Tu-4
Arkhangelsky Bomber  Ar-2*
Strike Aircraft  Tu-1
Jet Bomber  Tu-14T
Export  ␗SB 2M-103U · ␗Tu-2S-44 · ␗Tu-4
  ◔Tu-2S-59
  * While Andrei Tupolev was imprisoned, Alexander Arkhangelsky, second in command at Tupolev OKB was able to append his name to the final production series of the SB bomber.

USSR bombers
SB and Ar  SB 2M-100 · SB 2M-103 · SB 2M-103 MV-3 · SB 2M-103U · SB 2M-103U MV-3 · SB 2M-105 · Ar-2
Yer-2 (petrol)  Yer-2 (M-105) · Yer-2 (M-105) TAT · Yer-2 (M-105R) TAT · Yer-2 (M-105R) LU
Yer-2 (diesel)  Yer-2 (ACh-30B) (e) · Yer-2 (ACh-30B) (l)
Tu  Tu-2 · Tu-2S · Tu-2S-44 · Tu-2S-59 · Tu-4
Pe  Pe-2-1 · Pe-2-31 · Pe-2-83 · Pe-2-110 · Pe-2-205 · Pe-2-359 · Pe-8
IL  DB-3B · IL-4
  Po-2 · Po-2M · MBR-2-M-34 · TB-3M-17-32 · Yak-4 · Be-6
Lend-Lease  ▂PBY-5A Catalina · ▂Hampden TB Mk I · ▂A-20G-30 · ▂B-25J-30

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