Difference between revisions of "M.B.157"

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{{Specs-Card
 
{{Specs-Card
 
|code=mb_157
 
|code=mb_157
−
|images={{Specs-Card-Image|GarageImage_M.B.157.jpg}}
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|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
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|cockpit = cockpit_mb_157.jpg
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|cockpit=cockpit_mb_157.jpg
 
}}
 
}}
  
 
== Description ==
 
== Description ==
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<!--''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.''-->
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<!-- ''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.'' -->
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The '''{{Specs|name}}''' is a rank {{Specs|rank}} French fighter {{Battle-rating}}. This aircraft was introduced in [[Update 1.73 "Vive la France"]].
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The Bloch M.B.150 series was a single seat, all-metal low-wing monoplane fighter featuring a fully enclosed cockpit and retractable landing gear, a very revolutionary design for the French Air Force at the time of its development in 1934. The development was hampered by operational problems during its development. In 1938, 25 preproduction aircraft were ordered. With further testing, improved versions like the 151 and 152 entered service at the outbreak of WWII, powered by 920 hp and 1,050 hp engines respectively. The '''M.B.157''' was a prototype further development of the M.B.152, featuring an even more powerful 1,590 hp engine; however, only one prototype was built and it never saw service.
−
+
 
 +
It was introduced in [[Update 1.73 "Vive la France"]]. The '''{{Specs|name}}''' is a solid fighter, well suited for boom and zoom tactics. It has an average climb rate but a powerful engine that allows good top speed in level flight, side climbing is recommended at the start of the match. It can quickly dive into unsuspected enemies from above and engage in dogfights if necessary, since it is a nimble fighter, it will be able to keep up and outperform other fighters in the hands of a good pilot. Since it has a small ammo pool, trigger discipline is required for the greatest efficiency.
 +
 
 
== General info ==
 
== General info ==
 
=== Flight performance ===
 
=== Flight performance ===
 
{{Specs-Avia-Flight}}
 
{{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.''-->
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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.'' -->
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The M.B.157 is a solid aircraft powered with the Gnome-Rhône 14R engine which has a 1,600 maximum horsepower output. This aircraft has good manoeuvrability and acceleration allowing it to perform well in battle.  While this aircraft has good acceleration, it is not a quick climber, and if you intend to fight from above, this aircraft will need to side-climb to the desired altitude. Due to the weight of the aircraft and its excellent energy retention, this fighter makes a great Boom & Zoom aircraft. With the beefed up wings of the MB.157 they are virtually unrippable as their sheer speed is at 810 km/h; however, the combat flaps will begin to detach around 450 km/h and the landing gear at 340 km/h.
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The M.B.157 is a solid aircraft powered with the Gnome-Rhône 14R engine which has a 1,600 maximum horsepower output. This aircraft has good manoeuvrability and acceleration allowing it to perform well in battle.  While this aircraft has good acceleration, it is not a quick climber, and if you intend to fight from above, this aircraft will need to side-climb to the desired altitude. Due to the weight of the aircraft and its excellent energy retention, this fighter makes a great Boom & Zoom aircraft. With the beefed up wings of the MB.157 they are virtually unrippable as their shear speed is at 810 km/h; however, the combat flaps will begin to detach around 450 km/h and the landing gear at 340 km/h.
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+
 
 
This aircraft has a decent roll and turn rate; however, extending combat flaps will aid in reducing turn time. Utilising the powerful rudder along with combat flaps allow for this aircraft to make tighter rolls and turns than with only using ailerons and elevators. Taking the M.B.157 into a steep climb during a rope-a-dope allows for the pilot to kick the rudder either direction at the peak of the climb (near stall speed) and perform a quick wing-over or hammerhead turn putting the pilot on the hunt for the stalled out chase aircraft. While this aircraft excels at Boom & Zoom tactics, pilots should familiarise themselves with this aircraft in a dive as control stiffening begins at around 450 km/h and almost full control lock-up begins after 650 km/h.
 
This aircraft has a decent roll and turn rate; however, extending combat flaps will aid in reducing turn time. Utilising the powerful rudder along with combat flaps allow for this aircraft to make tighter rolls and turns than with only using ailerons and elevators. Taking the M.B.157 into a steep climb during a rope-a-dope allows for the pilot to kick the rudder either direction at the peak of the climb (near stall speed) and perform a quick wing-over or hammerhead turn putting the pilot on the hunt for the stalled out chase aircraft. While this aircraft excels at Boom & Zoom tactics, pilots should familiarise themselves with this aircraft in a dive as control stiffening begins at around 450 km/h and almost full control lock-up begins after 650 km/h.
  
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|-
 
|-
 
! Stock
 
! Stock
−
| 679 || 664 || rowspan="2" | {{Specs|ceiling}} || 20.3 || 20.7 || 10.1 || 10.1 || rowspan="2" | 650
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| 683 || 664 || rowspan="2" | {{Specs|ceiling}} || 20.0 || 20.7 || 10.1 || 10.1 || rowspan="2" | 650
 
|-
 
|-
 
! Upgraded
 
! Upgraded
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|}
 
|}
  
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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 !! Take-off !! Landing !! + !! -
 
! Combat !! Take-off !! Landing !! + !! -
 
|-
 
|-
−
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 570 || 380 || 270 || ~12 || ~9
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| 810 <!-- {{Specs|destruction|body}} --> || {{Specs|destruction|gear}} || 448 || 419 || 270 || ~12 || ~9
 
|-
 
|-
 
|}
 
|}
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=== Survivability and armour ===
 
=== Survivability and armour ===
 
{{Specs-Avia-Armour}}
 
{{Specs-Avia-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, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
  
 
* 10 mm Steel plate behind the engine
 
* 10 mm Steel plate behind the engine
 
* 10 mm Steel plate behind the pilot's head
 
* 10 mm Steel plate behind the pilot's head
 
* 3 mm Steel plate box in the fuselage
 
* 3 mm Steel plate box in the fuselage
 +
* Self-sealing fuel tanks (1 under pilot)
  
−
The M.B.157 has some protective armour to protect the pilot. The largest piece of armour is the 10 mm steel plate located behind the engine and in front of the cockpit. Secondly, there is a 10 mm steel plate in the pilot’s headrest to protect the pilot from bullets striking from behind. Thirdly there is a 3 mm steel box located behind the pilot and near the control surface linkage. Bullet-proof glass was not available on this aircraft making the pilot susceptible to being hit from head-on, top-down and side attacks. Critical components of the aircraft such as the engine, oil cooling system and the pilot’s head are exposed during head-on attacks or while attacking bombers from behind.  While the fuel tanks are protected from head-on attacks (situated below the pilot), unfortunately, they are vulnerable from almost every other angle.
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The M.B.157 has some protective armour to protect the pilot. The largest piece of armour is the 10 mm steel plate located behind the engine and in front of the cockpit. Secondly, there is a 10 mm steel plate in the pilot's headrest to protect the pilot from bullets striking from behind. Thirdly there is a 3 mm steel box located behind the pilot and near the control surface linkage. Bullet-proof glass was not available on this aircraft making the pilot susceptible to being hit from head-on, top-down and side attacks. Critical components of the aircraft such as the engine, oil cooling system and the pilot's head are exposed during head-on attacks or while attacking bombers from behind.  While the fuel tanks are protected from head-on attacks (situated below the pilot), unfortunately, they are vulnerable from almost every other angle.
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
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=== Offensive armament ===
 
=== Offensive armament ===
 
{{Specs-Avia-Offensive}}
 
{{Specs-Avia-Offensive}}
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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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<!-- ''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|Hispano 404 (20 mm)}}
 
{{main|Hispano 404 (20 mm)}}
  
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* 2 x 20 mm [[Hispano_404_(20_mm)|Hispano 404]] machine guns (60 rpg = 120 total)
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The '''''{{PAGENAME}}''''' is armed with:
 +
 
 +
* 2 x 20 mm Hispano 404 cannons, wing-mounted (60 rpg = 120 total)
  
 
The Hispano 404 on the M.B.157 are excellent weapons, utilized on many different aircraft, but the big drawback on this plane is that each cannon is drum fed and has only 60 rounds per gun. With a firing rate of 700 rounds per minute, the quick depletion of ammunition is a reality. The pilot cannot rely on continuous fire due to the quickness of ammunition depletion and must practice well aimed, controlled bursts to conserve ammunition and make every shot count. Unless the pilot is highly skilled and comfortable with the Stealth belt ammunition, achieving more accurate shots require utilising the Default, Universal, or Ground Attack rounds which all contain tracer rounds in their mix.
 
The Hispano 404 on the M.B.157 are excellent weapons, utilized on many different aircraft, but the big drawback on this plane is that each cannon is drum fed and has only 60 rounds per gun. With a firing rate of 700 rounds per minute, the quick depletion of ammunition is a reality. The pilot cannot rely on continuous fire due to the quickness of ammunition depletion and must practice well aimed, controlled bursts to conserve ammunition and make every shot count. Unless the pilot is highly skilled and comfortable with the Stealth belt ammunition, achieving more accurate shots require utilising the Default, Universal, or Ground Attack rounds which all contain tracer rounds in their mix.
  
 
== Usage in battles ==
 
== Usage in battles ==
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<!--''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).''-->
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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 M.B.157 has good energy retention and does well with Boom & Zoom tactics. While turn-fighting is not recommended as typically as it will leave you with low energy and a slow plane, if needed, you can utilize combat flaps and rudder to help make sharper turns when chasing down other aircraft or trying to dodge enemy aircraft fire. The .157 is an aircraft which can excel when it has an energy advantage over the enemy and to do so needs to side-climb on the map in order to get to a decent altitude. For this fighter, speed is key and having enough room to dive and zoom away will extend the pilot’s ability to survive and line up another shot.
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The M.B.157 has good energy retention and does well with Boom & Zoom tactics. While turn-fighting is not recommended as typically as it will leave you with low energy and a slow plane, if needed, you can utilize combat flaps and rudder to help make sharper turns when chasing down other aircraft or trying to dodge enemy aircraft fire. The .157 is an aircraft which can excel when it has an energy advantage over the enemy and to do so needs to side-climb on the map in order to get to a decent altitude. For this fighter, speed is key and having enough room to dive and zoom away will extend the pilot's ability to survive and line up another shot.
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+
 
 
While the 60 rounds per gun are a pittance in any of the battle types, it is especially critical in Realistic or Simulator Battles. While Arcade players can get away with flying around while waiting out the reload time, Realistic or Simulator pilots will need to return to the base to reload before taking on any more enemy aircraft, which leaves you open to enemy counterattacks.
 
While the 60 rounds per gun are a pittance in any of the battle types, it is especially critical in Realistic or Simulator Battles. While Arcade players can get away with flying around while waiting out the reload time, Realistic or Simulator pilots will need to return to the base to reload before taking on any more enemy aircraft, which leaves you open to enemy counterattacks.
  
 
=== Specific enemies worth noting: ===
 
=== Specific enemies worth noting: ===
  
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* [[P-47D-25]]/[[P-47D-28|28]]: The legendary Thunderbolts are one of the very few aircraft that can match the M.B.157 at altitude. Being tuned for High-altitude operations, they gain the most power above 6,000m, easily reaching speeds that blitz past the poor Bloch. Also armed with a cacophony of 8 Browning .50 cals that can fit powerful incendiary tracers, it can set you ablaze with little to no trouble, so be sure to avoid its gunsights. Fortunately, the Jugs are very slow to turn and climb quite poorly, allowing you to outmaneuver them and out stall them with ease. If you spy a Thunderbolt reasonably close to your altitude, it's a smart choice to eliminate them before they can be a proper thorn in your side.
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* [[P-47D-25]]/[[P-47D-28|28]]: The legendary Thunderbolts are one of the very few aircraft that can match the M.B.157 at altitude. Being tuned for High-altitude operations, they gain the most power above 6,000m, easily reaching speeds that blitz past the poor Bloch. Also armed with a cacophony of 8 Browning .50 cals that can fit powerful incendiary tracers, it can set you ablaze with little to no trouble, so be sure to avoid its gunsights. Fortunately, the Jugs are very slow to turn and climb quite poorly, allowing you to outmanoeuvre them and out stall them with ease. If you spy a Thunderbolt reasonably close to your altitude, it's a smart choice to eliminate them before they can be a proper thorn in your side.
 
* [[Bf 109 F-4]]: Although the player must take care around most 109's at its battle rating, the F-4 is the one that can provide the most competition for the 157. They have far superior climb rates, energy retention and turn rates, along with quite solid armaments. However it is important to note that most F-4's will mount the additional gunpods that allow you to outturn it barely with the proper use of flaps and rudder, and is significantly slower than you. Speed and altitude are your best friends when fighting these aircraft, and take care not to engage them on their terms.
 
* [[Bf 109 F-4]]: Although the player must take care around most 109's at its battle rating, the F-4 is the one that can provide the most competition for the 157. They have far superior climb rates, energy retention and turn rates, along with quite solid armaments. However it is important to note that most F-4's will mount the additional gunpods that allow you to outturn it barely with the proper use of flaps and rudder, and is significantly slower than you. Speed and altitude are your best friends when fighting these aircraft, and take care not to engage them on their terms.
 
* [[Yak-3]]/[[Yak-9U|9U]]/[[Yak-9K|9K]]/[[Yak-9T|9T]]: Although they cannot match you in terms of speed or acceleration, the mid-tier Yakovlev series are some of the best low altitude aircraft you can fight. They can turn on a dime, have great energy retention, and reasonably powerful armaments. While you cannot meet the Yak-3 in RB, it's one of the worst possible matchups for the 157 in AB, as it turns better than the other Yak's and is quite a bit faster than most of them as well. The Yak-9U is also worthy to note as it is the fastest 4.3 plane at sea level and turns reasonably well with energy. However, the glaring issue for all yaks is their poor performance above 4,000m - The 157's ideal altitude - along with their weak airframes. Boom-&-Zoom will be your flying style of choice when engaging these Russian beasts.
 
* [[Yak-3]]/[[Yak-9U|9U]]/[[Yak-9K|9K]]/[[Yak-9T|9T]]: Although they cannot match you in terms of speed or acceleration, the mid-tier Yakovlev series are some of the best low altitude aircraft you can fight. They can turn on a dime, have great energy retention, and reasonably powerful armaments. While you cannot meet the Yak-3 in RB, it's one of the worst possible matchups for the 157 in AB, as it turns better than the other Yak's and is quite a bit faster than most of them as well. The Yak-9U is also worthy to note as it is the fastest 4.3 plane at sea level and turns reasonably well with energy. However, the glaring issue for all yaks is their poor performance above 4,000m - The 157's ideal altitude - along with their weak airframes. Boom-&-Zoom will be your flying style of choice when engaging these Russian beasts.
  
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===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
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! rowspan="2" |Turbocharger
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! rowspan="2" | Turbocharger
−
|-
 
−
! Oil
 
−
! Water
 
−
! Type
 
 
|-
 
|-
−
| Not controllable || Controllable<br>Automatic pitch || Controllable || Not controllable || Combined || Controllable || Not controllable
+
! Oil !! Water !! Type
 
|-
 
|-
 +
| Not controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Controllable<br>2 gears || Not controllable
 
|-
 
|-
 
|}
 
|}
  
 
=== Pros and cons ===
 
=== Pros and cons ===
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<!--''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".''-->
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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:'''
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* Good energy retention
 
* Good energy retention
 
* Twin cannon setup is reasonably effective
 
* Twin cannon setup is reasonably effective
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* Acceptable rate of climb (When fully upgraded)
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* Acceptable climb rate (once upgraded)
 
* Virtually unrippable wings
 
* Virtually unrippable wings
 
* Reasonably high roll rate
 
* Reasonably high roll rate
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'''Cons:'''
 
'''Cons:'''
  
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* Low ammo count - you need to make all your shots count
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* Low ammo count: you need to make all your shots count
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* Control stiffening occurs at high speeds (during dives)
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* Control surface lock occurs at high speed (during dives)
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* Minimal armour to sides and behind pilot.
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* Minimal armour on the sides of and behind the pilot
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* Easily to be pilot sniped when flying near bombers
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* Pilot easily knocked out when tailing bombers
  
 
== 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.''-->
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<!-- ''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).'' -->
 
Early development in 1934 by Société des Avions Marcel Bloch produced the Bloch M.B.150 single seat, all-metal low-wing monoplane fighter featuring a fully enclosed cockpit and retractable landing gear. While not initially chosen by the French Air Ministry for production, development continued on this aircraft. Following several setbacks and operational problems, a modified prototype was finally able to attain flight in 1937. Several additional modifications were necessary to refine this aircraft which included a more robust and strengthened wing and utilising the 14-cylinder two-row air-cooled radial Gnome-Rhône 14N-7 engine. During 1938 after running several trial runs, 25 preproduction aircraft were ordered.
 
Early development in 1934 by Société des Avions Marcel Bloch produced the Bloch M.B.150 single seat, all-metal low-wing monoplane fighter featuring a fully enclosed cockpit and retractable landing gear. While not initially chosen by the French Air Ministry for production, development continued on this aircraft. Following several setbacks and operational problems, a modified prototype was finally able to attain flight in 1937. Several additional modifications were necessary to refine this aircraft which included a more robust and strengthened wing and utilising the 14-cylinder two-row air-cooled radial Gnome-Rhône 14N-7 engine. During 1938 after running several trial runs, 25 preproduction aircraft were ordered.
−
 
+
 
 
Further testing refined the aircraft taking it to the improved version MB.151 and MB.152 which entered service at the outbreak of World War II. Unfortunately, most were determined to be unfit for combat service.  Further testing led to the M.B.155 which had greater range and saw service until the fall of France.  Not to be deterred, Vichy France completed several upgrades improving the flight model and installing the more powerful Gnome-Rhône 14R engine which lead to the designation of M.B.157. Unfortunately, this aircraft never entered service with only one prototype M.B.157 built.
 
Further testing refined the aircraft taking it to the improved version MB.151 and MB.152 which entered service at the outbreak of World War II. Unfortunately, most were determined to be unfit for combat service.  Further testing led to the M.B.155 which had greater range and saw service until the fall of France.  Not to be deterred, Vichy France completed several upgrades improving the flight model and installing the more powerful Gnome-Rhône 14R engine which lead to the designation of M.B.157. Unfortunately, this aircraft never entered service with only one prototype M.B.157 built.
  
 
== Media ==
 
== Media ==
−
<!--''An excellent addition to the article will be video guides, as well as screenshots from the game and photos.''-->
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<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
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{{Youtube-gallery|io177PQBQR4|M.B.157 - Gimme Ammo!}}
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 +
;Skins
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 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=mb_157 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Videos
 +
{{Youtube-gallery|5l8kn-Ho1bE|'''(Arcade): M.B.157 - Out for the Count''' - ''tx141TX''|io177PQBQR4|'''M.B.157 - Gimme Ammo!''' - ''Jengar''}}
  
 
== See also ==
 
== See also ==
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== External links ==
 
== External links ==
−
''Paste links to sources and external resources, such as:''
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<!-- ''Paste links to sources and external resources, such as:''
 +
* ''topic on the official game forum;''
 +
* ''other literature.'' -->
  
−
* ''topic on the official game forum;''
+
* [[wt:en/news/5051-development-the-mb-157-fighter-and-a-new-pilot-model-for-the-french-air-force-en|[Devblog] The MB.157 fighter and a new pilot model for the French Air Force]]
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* ''encyclopedia page on aircraft;''
+
* [https://forum.warthunder.com/index.php?/topic/385691-mb-157/ Official data sheet - more details about the performance]
−
* ''other literature.''
 
  
−
{{AirManufacturer Bloch}}
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{{AirManufacturer Dassault}}
 
{{France fighters}}
 
{{France fighters}}

Latest revision as of 14:38, 4 January 2024

RANK 5 FRANCE
Somua SM PACK
M.B.157
mb_157.png
GarageImage M.B.157.jpg
ArtImage M.B.157.png
360://https://wiki.warthunder.com/images/c/c4/Cockpit_mb_157.jpg
M.B.157
France flag.png France
III Rank
Battle rating:
AB RB SB
3.3 3.3 3.3
Class:
Research:18 000 Specs-Card-Exp.png
Purchase:47 000 Specs-Card-Lion.png
Show in game

Description

The Bloch M.B.150 series was a single seat, all-metal low-wing monoplane fighter featuring a fully enclosed cockpit and retractable landing gear, a very revolutionary design for the French Air Force at the time of its development in 1934. The development was hampered by operational problems during its development. In 1938, 25 preproduction aircraft were ordered. With further testing, improved versions like the 151 and 152 entered service at the outbreak of WWII, powered by 920 hp and 1,050 hp engines respectively. The M.B.157 was a prototype further development of the M.B.152, featuring an even more powerful 1,590 hp engine; however, only one prototype was built and it never saw service.

It was introduced in Update 1.73 "Vive la France". The M.B.157 is a solid fighter, well suited for boom and zoom tactics. It has an average climb rate but a powerful engine that allows good top speed in level flight, side climbing is recommended at the start of the match. It can quickly dive into unsuspected enemies from above and engage in dogfights if necessary, since it is a nimble fighter, it will be able to keep up and outperform other fighters in the hands of a good pilot. Since it has a small ammo pool, trigger discipline is required for the greatest efficiency.

General info

Flight performance

Max speed
at 7 600 m712 km/h
Turn time19 s
Max altitude9 000 m
EngineGnome Rhone 14R
TypeRadial
Cooling systemAir
Take-off weight3 t

The M.B.157 is a solid aircraft powered with the Gnome-Rhône 14R engine which has a 1,600 maximum horsepower output. This aircraft has good manoeuvrability and acceleration allowing it to perform well in battle. While this aircraft has good acceleration, it is not a quick climber, and if you intend to fight from above, this aircraft will need to side-climb to the desired altitude. Due to the weight of the aircraft and its excellent energy retention, this fighter makes a great Boom & Zoom aircraft. With the beefed up wings of the MB.157 they are virtually unrippable as their shear speed is at 810 km/h; however, the combat flaps will begin to detach around 450 km/h and the landing gear at 340 km/h.

This aircraft has a decent roll and turn rate; however, extending combat flaps will aid in reducing turn time. Utilising the powerful rudder along with combat flaps allow for this aircraft to make tighter rolls and turns than with only using ailerons and elevators. Taking the M.B.157 into a steep climb during a rope-a-dope allows for the pilot to kick the rudder either direction at the peak of the climb (near stall speed) and perform a quick wing-over or hammerhead turn putting the pilot on the hunt for the stalled out chase aircraft. While this aircraft excels at Boom & Zoom tactics, pilots should familiarise themselves with this aircraft in a dive as control stiffening begins at around 450 km/h and almost full control lock-up begins after 650 km/h.

This aircraft cannot outfit external ordinances on underwing or belly pylons which would affect the weight and drag of this flight model.

For those pilots flying who desire to, the cockpit canopy can be left open during flight.

Characteristics Max Speed
(km/h at 7,600 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 683 664 9000 20.0 20.7 10.1 10.1 650
Upgraded 745 711 18.3 19.0 19.4 14.1

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 + -
810 340 448 419 270 ~12 ~9
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 350 < 350 < 400 > 350

Survivability and armour

Crew1 person
Speed of destruction
Structural0 km/h
Gear340 km/h
  • 10 mm Steel plate behind the engine
  • 10 mm Steel plate behind the pilot's head
  • 3 mm Steel plate box in the fuselage
  • Self-sealing fuel tanks (1 under pilot)

The M.B.157 has some protective armour to protect the pilot. The largest piece of armour is the 10 mm steel plate located behind the engine and in front of the cockpit. Secondly, there is a 10 mm steel plate in the pilot's headrest to protect the pilot from bullets striking from behind. Thirdly there is a 3 mm steel box located behind the pilot and near the control surface linkage. Bullet-proof glass was not available on this aircraft making the pilot susceptible to being hit from head-on, top-down and side attacks. Critical components of the aircraft such as the engine, oil cooling system and the pilot's head are exposed during head-on attacks or while attacking bombers from behind. While the fuel tanks are protected from head-on attacks (situated below the pilot), unfortunately, they are vulnerable from almost every other angle.

Modifications and economy

Repair costBasic → Reference
AB897 → 1 126 Sl icon.png
RB1 873 → 2 352 Sl icon.png
SB2 714 → 3 408 Sl icon.png
Total cost of modifications19 800 Rp icon.png
32 500 Sl icon.png
Talisman cost980 Ge icon.png
Crew training13 000 Sl icon.png
Experts47 000 Sl icon.png
Aces400 Ge icon.png
Research Aces280 000 Rp icon.png
Reward for battleAB / RB / SB
60 / 130 / 270 % Sl icon.png
136 / 136 / 136 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
1 300 Rp icon.png
Cost:
2 100 Sl icon.png
100 Ge icon.png
Mods radiator.png
Radiator
Research:
1 300 Rp icon.png
Cost:
2 100 Sl icon.png
100 Ge icon.png
Mods compressor.png
Compressor
Research:
2 200 Rp icon.png
Cost:
3 600 Sl icon.png
170 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
1 700 Rp icon.png
Cost:
2 800 Sl icon.png
130 Ge icon.png
Mods new engine.png
Engine
Research:
1 700 Rp icon.png
Cost:
2 800 Sl icon.png
130 Ge icon.png
Mods metanol.png
Engine injection
Research:
3 200 Rp icon.png
Cost:
5 300 Sl icon.png
240 Ge icon.png
Mods armor frame.png
Airframe
Research:
2 200 Rp icon.png
Cost:
3 600 Sl icon.png
170 Ge icon.png
Mods armor cover.png
Cover
Research:
3 200 Rp icon.png
Cost:
5 300 Sl icon.png
240 Ge icon.png
Mods ammo.png
hispano_belt_pack
Research:
1 300 Rp icon.png
Cost:
2 100 Sl icon.png
100 Ge icon.png
Mod arrow 1.png
Mods weapon.png
hispano_404_new_gun
Research:
1 700 Rp icon.png
Cost:
2 800 Sl icon.png
130 Ge icon.png

Armaments

Offensive armament

Weapon 12 x 20 mm Hispano 404 cannon
Ammunition120 rounds
Fire rate700 shots/min
Main article: Hispano 404 (20 mm)

The M.B.157 is armed with:

  • 2 x 20 mm Hispano 404 cannons, wing-mounted (60 rpg = 120 total)

The Hispano 404 on the M.B.157 are excellent weapons, utilized on many different aircraft, but the big drawback on this plane is that each cannon is drum fed and has only 60 rounds per gun. With a firing rate of 700 rounds per minute, the quick depletion of ammunition is a reality. The pilot cannot rely on continuous fire due to the quickness of ammunition depletion and must practice well aimed, controlled bursts to conserve ammunition and make every shot count. Unless the pilot is highly skilled and comfortable with the Stealth belt ammunition, achieving more accurate shots require utilising the Default, Universal, or Ground Attack rounds which all contain tracer rounds in their mix.

Usage in battles

The M.B.157 has good energy retention and does well with Boom & Zoom tactics. While turn-fighting is not recommended as typically as it will leave you with low energy and a slow plane, if needed, you can utilize combat flaps and rudder to help make sharper turns when chasing down other aircraft or trying to dodge enemy aircraft fire. The .157 is an aircraft which can excel when it has an energy advantage over the enemy and to do so needs to side-climb on the map in order to get to a decent altitude. For this fighter, speed is key and having enough room to dive and zoom away will extend the pilot's ability to survive and line up another shot.

While the 60 rounds per gun are a pittance in any of the battle types, it is especially critical in Realistic or Simulator Battles. While Arcade players can get away with flying around while waiting out the reload time, Realistic or Simulator pilots will need to return to the base to reload before taking on any more enemy aircraft, which leaves you open to enemy counterattacks.

Specific enemies worth noting:

  • P-47D-25/28: The legendary Thunderbolts are one of the very few aircraft that can match the M.B.157 at altitude. Being tuned for High-altitude operations, they gain the most power above 6,000m, easily reaching speeds that blitz past the poor Bloch. Also armed with a cacophony of 8 Browning .50 cals that can fit powerful incendiary tracers, it can set you ablaze with little to no trouble, so be sure to avoid its gunsights. Fortunately, the Jugs are very slow to turn and climb quite poorly, allowing you to outmanoeuvre them and out stall them with ease. If you spy a Thunderbolt reasonably close to your altitude, it's a smart choice to eliminate them before they can be a proper thorn in your side.
  • Bf 109 F-4: Although the player must take care around most 109's at its battle rating, the F-4 is the one that can provide the most competition for the 157. They have far superior climb rates, energy retention and turn rates, along with quite solid armaments. However it is important to note that most F-4's will mount the additional gunpods that allow you to outturn it barely with the proper use of flaps and rudder, and is significantly slower than you. Speed and altitude are your best friends when fighting these aircraft, and take care not to engage them on their terms.
  • Yak-3/9U/9K/9T: Although they cannot match you in terms of speed or acceleration, the mid-tier Yakovlev series are some of the best low altitude aircraft you can fight. They can turn on a dime, have great energy retention, and reasonably powerful armaments. While you cannot meet the Yak-3 in RB, it's one of the worst possible matchups for the 157 in AB, as it turns better than the other Yak's and is quite a bit faster than most of them as well. The Yak-9U is also worthy to note as it is the fastest 4.3 plane at sea level and turns reasonably well with energy. However, the glaring issue for all yaks is their poor performance above 4,000m - The 157's ideal altitude - along with their weak airframes. Boom-&-Zoom will be your flying style of choice when engaging these Russian beasts.

Manual Engine Control

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

Pros and cons

Pros:

  • One of the fastest aircraft at its tier
  • Good energy retention
  • Twin cannon setup is reasonably effective
  • Acceptable climb rate (once upgraded)
  • Virtually unrippable wings
  • Reasonably high roll rate

Cons:

  • Low ammo count: you need to make all your shots count
  • Control surface lock occurs at high speed (during dives)
  • Minimal armour on the sides of and behind the pilot
  • Pilot easily knocked out when tailing bombers

History

Early development in 1934 by Société des Avions Marcel Bloch produced the Bloch M.B.150 single seat, all-metal low-wing monoplane fighter featuring a fully enclosed cockpit and retractable landing gear. While not initially chosen by the French Air Ministry for production, development continued on this aircraft. Following several setbacks and operational problems, a modified prototype was finally able to attain flight in 1937. Several additional modifications were necessary to refine this aircraft which included a more robust and strengthened wing and utilising the 14-cylinder two-row air-cooled radial Gnome-Rhône 14N-7 engine. During 1938 after running several trial runs, 25 preproduction aircraft were ordered.

Further testing refined the aircraft taking it to the improved version MB.151 and MB.152 which entered service at the outbreak of World War II. Unfortunately, most were determined to be unfit for combat service. Further testing led to the M.B.155 which had greater range and saw service until the fall of France. Not to be deterred, Vichy France completed several upgrades improving the flight model and installing the more powerful Gnome-Rhône 14R engine which lead to the designation of M.B.157. Unfortunately, this aircraft never entered service with only one prototype M.B.157 built.

Media

Skins
Videos
(Arcade): M.B.157 - Out for the Count - tx141TX
M.B.157 - Gimme Ammo! - Jengar

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


Dassault Aviation
WW2* 
Fighters  M.B.152C1 · M.B.157
Bombers  M.B.162 · M.B.174A-3 · M.B.175T
Jet Aircraft 
M.D 450  M.D.450B Barougan · M.D.450B Ouragan
Mystère  M.D.452 IIA · M.D.452 IIC · Mystere IVA
Super Mystère  Super Mystere B2
Étendard  Etendard IVM
Super Étendard  Super Etendard
Alpha Jet  Alpha Jet E**
Mirage 
Mirage III  Mirage IIIC · Mirage IIIE · Milan
Mirage V  Mirage 5F
Mirage F1  Mirage F1C · Mirage F1C-200 · Mirage F1CT
Mirage 2000  Mirage 2000-5F · Mirage 2000C-S4 · Mirage 2000C-S5 · Mirage 2000D-R1 · Mirage 2000D-RMV
Mirage 4000  Mirage 4000
Export 
M.D 450  M.D.450B Ouragan
Mystere  Mystere IVA
Super Mystère  Sambad · Sa'ar***
Mirage  Shahak · ▄Mirage 5BA · ␗Mirage 2000-5Ei
  *The company was named "Société des Avions Marcel Bloch" before being renamed in 1947
  **Jointly manufactured with Dornier Flugzeugwerke
  ***Israeli Super Mystère refitted with new avionics and an American engine
See also  SABCA

France fighters
Dewoitine  D.371 · D.371 H.S.9 · D.373 · D.500 · D.501 · Pallier's D.510 · D.520
Morane-Saulnier  M.S.405C1 · M.S.406C1 · M.S.410
Arsenal  V.G.33C-1
Bloch  M.B.152C1 · M.B.157
Caudron  C.R.714
Sud-Ouest  S.O.8000 Narval
American  H-75A-1 · H-75A-4 · ▄P-39Q-25 · ▄P-40F-5 Lafayette · ▄P-47D-22-RE · ▄P-63C-5 · F-6C-10-NA
  ▄F6F-5 · ▄F6F-5N · F4U-7 · ▄F8F-1B
Other countries  ▄Seafire LF Mk.III · ▄Yak-3 · Challe's ▄Yak-9T · NC.900
Belgium  ▄Gladiator Mk I · ▄Spitfire FR Mk XIVe
Netherlands  ◘Sea Fury FB 51

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