Difference between revisions of "La-7B-20"
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{{Specs-Card|code=la-7b-20}} | {{Specs-Card|code=la-7b-20}} | ||
{{Notice|''This page is about the aircraft '''{{PAGENAME}}'''. For other uses, see [[La-7_(Disambiguation)|La-7 (Disambiguation)]]''}} | {{Notice|''This page is about the aircraft '''{{PAGENAME}}'''. For other uses, see [[La-7_(Disambiguation)|La-7 (Disambiguation)]]''}} | ||
== Description == | == Description == | ||
<!--''In the description, the first part needs to be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle. If the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle it is talking about.''--> | <!--''In the description, the first part 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.''--> | ||
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[[File:GarageImage_La-7B-20.jpg|420px|thumb|left|The '''{{PAGENAME}}''' in the garage]] | [[File:GarageImage_La-7B-20.jpg|420px|thumb|left|The '''{{PAGENAME}}''' in the garage]] | ||
{{break}} | {{break}} | ||
| − | The '''{{Specs|name}}''' is a Rank {{Specs|rank}} Russian fighter {{Battle-rating|3}}. This aircraft was introduced in Update 1.31. | + | The '''{{Specs|name}}''' is a Rank {{Specs|rank}} Russian fighter {{Battle-rating|3}}. This aircraft was introduced in Update 1.31. |
| + | |||
== General info == | == General info == | ||
=== Flight Performance === | === Flight Performance === | ||
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* 2 x 50 kg FAB-50 bombs (100 kg total) | * 2 x 50 kg FAB-50 bombs (100 kg total) | ||
* 2 x 100 kg FAB-100 bombs (200 kg total) | * 2 x 100 kg FAB-100 bombs (200 kg total) | ||
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| − | == Usage in | + | == Usage in battles == |
<!--''Describe the tactics of playing in an aircraft, the features of using vehicles in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''--> | <!--''Describe the tactics of playing in an aircraft, the features of using vehicles in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''--> | ||
The key to staying alive in the La-7 series lies in deceiving the enemy. By flying at around 4.5 km altitude you present yourself as an easy target for Boom & Zoom aircraft that are flying at higher altitudes. When you spot someone diving at you, break off and evade his burst, while slowly luring him into maneuver combat - this way you will start gaining the edge while the enemy loses his speed and momentum in the turn. Another habit worth developing in the La-7B-20 is ammo conservation - because the available load per gun shrunk compared to the [[La-7]], it is crucial to only take shots that you know will hit and aiming them carefully. This way you stand a bigger chance of critically damaging the enemy airplane. By following those rules you will soon find yourself researching the final Lavochkin piston fighter - the [[La-9]]. | The key to staying alive in the La-7 series lies in deceiving the enemy. By flying at around 4.5 km altitude you present yourself as an easy target for Boom & Zoom aircraft that are flying at higher altitudes. When you spot someone diving at you, break off and evade his burst, while slowly luring him into maneuver combat - this way you will start gaining the edge while the enemy loses his speed and momentum in the turn. Another habit worth developing in the La-7B-20 is ammo conservation - because the available load per gun shrunk compared to the [[La-7]], it is crucial to only take shots that you know will hit and aiming them carefully. This way you stand a bigger chance of critically damaging the enemy airplane. By following those rules you will soon find yourself researching the final Lavochkin piston fighter - the [[La-9]]. | ||
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=== 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. | + | <!--''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".''--> |
'''Pros:''' | '''Pros:''' | ||
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== History == | == History == | ||
| − | <!--''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ | + | <!--''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.''--> |
The concept of a new fighter for the Soviet Air Force was pitched in 1943. While the earlier Lavochkin La-5 proved to be one of the best Soviet fighters produced up to that point, the main designer of the La-5, Semyon Lavochkin, felt that it could be improved even further. Work on a completely new fighter began in the early months of 1944. The new fighter was supposed to be an improved version of the La-5 design. The changes included the incorporation of a lighter and more durable metal airframe in place of the earlier wooden one. Other changes included the mounting of a new gun sight and propeller, as well as the strengthening of the landing gear struts and streamlining of the wings. It was to be armed with three Berezin B-20 20 mm cannons, however, the delay in production meant that most new La-7s were armed with 2 20 mm ShVAK cannons, like its predecessor. After more tests, the new fighter was accepted into serial production in late 1944. | The concept of a new fighter for the Soviet Air Force was pitched in 1943. While the earlier Lavochkin La-5 proved to be one of the best Soviet fighters produced up to that point, the main designer of the La-5, Semyon Lavochkin, felt that it could be improved even further. Work on a completely new fighter began in the early months of 1944. The new fighter was supposed to be an improved version of the La-5 design. The changes included the incorporation of a lighter and more durable metal airframe in place of the earlier wooden one. Other changes included the mounting of a new gun sight and propeller, as well as the strengthening of the landing gear struts and streamlining of the wings. It was to be armed with three Berezin B-20 20 mm cannons, however, the delay in production meant that most new La-7s were armed with 2 20 mm ShVAK cannons, like its predecessor. After more tests, the new fighter was accepted into serial production in late 1944. | ||
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{{Youtube-gallery|RahK6Ig7xdg|DigitalDigging review|50vhTNww5Zo|Viola Games review|0-DKX-ubUvc|Messer Smitt review}} | {{Youtube-gallery|RahK6Ig7xdg|DigitalDigging review|50vhTNww5Zo|Viola Games review|0-DKX-ubUvc|Messer Smitt review}} | ||
| − | == | + | == See also == |
| − | ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example | + | ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:'' |
* ''reference to the series of the aircraft;'' | * ''reference to the series of the aircraft;'' | ||
* ''links to approximate analogues of other nations and research trees.'' | * ''links to approximate analogues of other nations and research trees.'' | ||
| − | |||
| − | == | + | == External links == |
''Paste links to sources and external resources, such as:'' | ''Paste links to sources and external resources, such as:'' | ||
* ''topic on the official game forum;'' | * ''topic on the official game forum;'' | ||
| − | * ''page on aircraft | + | * ''encyclopedia page on aircraft;'' |
* ''other literature.'' | * ''other literature.'' | ||
{{USSR fighters}} | {{USSR fighters}} | ||
Revision as of 17:05, 25 February 2019
 | Relevance under question. The content of this article is most likely outdated and is not reflecting the current state of affairs. The article needs to be updated. |
Contents
|
This page is about the aircraft La-7B-20. For other uses, see La-7 (Disambiguation) |
Description
The La-7B-20 is a Rank IV Russian fighter
with a battle rating of 5.0 (AB/RB) and 5.7 (SB). This aircraft was introduced in Update 1.31.
General info
Flight Performance
| Characteristics | |||||||
|---|---|---|---|---|---|---|---|
| Stock | |||||||
| Max Speed (km/h at 6,000 m) |
Max altitude (meters) |
Turn time (seconds) |
Rate of climb (meters/second) |
Take-off run (meters) | |||
| AB | RB | AB | RB | AB | RB | ||
| 632 | 614 | 10,450 | 21.3 | 21.7 | 14.1 | 14.1 | 348 |
| Upgraded | |||||||
| Max Speed (km/h at 6,000 m) |
Max altitude (meters) | Turn time (seconds) | Rate of climb (meters/second) |
Take-off run (meters) | |||
| AB | RB | AB | RB | AB | RB | ||
| ? | ? | 10,450 | ??.? | ??.? | ?.? | ?.? | 348 |
Details
| Features | ||||
|---|---|---|---|---|
| Combat flap | Take-off flap | Landing flap | Air brakes | Arrestor gear |
| X | ✓ | ✓ | X | X |
| Limits | ||||
|---|---|---|---|---|
| Wing-break speed (km/h) |
Gear limit (km/h) |
Combat flap (km/h) |
Max Static G | |
| + | - | |||
| 735 | 320 | 530 | ~21 | ~21 |
| Optimal velocities | |||
|---|---|---|---|
| Ailerons (km/h) |
Rudder (km/h) |
Elevators (km/h) |
Radiator (km/h) |
| < 350 | < 350 | < 440 | > 230 |
| Compressor (RB/SB) | ||
|---|---|---|
| Setting 1 | ||
| Optimal altitude | 100% Engine power | WEP Engine power |
| 1,550 m | 1670 hp | 1,958 hp |
| Setting 2 | ||
| Optimal altitude | 100% Engine power | WEP Engine power |
| 4,700 m | 1,410 hp | ?,??? hp |
Survivability and armour
- 55 mm Bulletproof glass in cockpit front.
- 66 mm Bulletproof glass in cockpit rear.
- 8.5 mm Steel plate in the pilot's seat.
Armaments
Offensive armament
The La-7B-20 is armed with:
- 3 x 20 mm B-20S cannons, nose-mounted (130 rpg = 390 total)
Suspended armament
The La-7B-20 can be outfitted externally with:
- 2 x 50 kg FAB-50 bombs (100 kg total)
- 2 x 100 kg FAB-100 bombs (200 kg total)
Usage in battles
The key to staying alive in the La-7 series lies in deceiving the enemy. By flying at around 4.5 km altitude you present yourself as an easy target for Boom & Zoom aircraft that are flying at higher altitudes. When you spot someone diving at you, break off and evade his burst, while slowly luring him into maneuver combat - this way you will start gaining the edge while the enemy loses his speed and momentum in the turn. Another habit worth developing in the La-7B-20 is ammo conservation - because the available load per gun shrunk compared to the La-7, it is crucial to only take shots that you know will hit and aiming them carefully. This way you stand a bigger chance of critically damaging the enemy airplane. By following those rules you will soon find yourself researching the final Lavochkin piston fighter - the La-9.
The aircraft are placed quite low in the Battle Rating spread, which means that you will still engage Rank III aircraft. The strengths are very good low altitude performance - ideally, you want to engage your enemies at altitudes lower than 5 km - higher up, the power output of the engine reduces drastically, making you an easy target. Aside from the speed, the La-7 possesses very good turning capabilities - while it is not as good a turner as some British and Japanese designs, it can give many German and US aircraft a run for their money.
Manual Engine Control
| MEC elements | ||||||
|---|---|---|---|---|---|---|
| Mixer | Pitch | Radiator | Supercharger | Turbocharger | ||
| Oil | Water | Type | ||||
| Controllable | Not controllable | Not controllable | Not controllable | Separate | Not ontrollable | Not controllable |
Modules
| Tier | Flight performance | Survivability | Weaponry | |
|---|---|---|---|---|
| I | Fuselage Repair | Radiator | Armored Glass | DZ-40 |
| II | Compressor | Airframe | ||
| III | Wing Repair | Engine | Rear Plate Armor | Offensive 20 mm |
| IV | Engine Injection | Cover | New 20 mm Cannons | |
Four upgrades are of importance: Offensive 20 mm, Compressor, Engine and Engine injection.
Pros and cons
Pros:
- Excellent low altitude performance (< 3000 m)
- Decent maneuverability
- Great acceleration and climb
- Good roll rate
- Centre-mounted cannons
Cons:
- Poor performance at high altitude (> 4000 m)
- Poor maximum dive speed
- Fast-firing cannons burn through ammunition
History
The concept of a new fighter for the Soviet Air Force was pitched in 1943. While the earlier Lavochkin La-5 proved to be one of the best Soviet fighters produced up to that point, the main designer of the La-5, Semyon Lavochkin, felt that it could be improved even further. Work on a completely new fighter began in the early months of 1944. The new fighter was supposed to be an improved version of the La-5 design. The changes included the incorporation of a lighter and more durable metal airframe in place of the earlier wooden one. Other changes included the mounting of a new gun sight and propeller, as well as the strengthening of the landing gear struts and streamlining of the wings. It was to be armed with three Berezin B-20 20 mm cannons, however, the delay in production meant that most new La-7s were armed with 2 20 mm ShVAK cannons, like its predecessor. After more tests, the new fighter was accepted into serial production in late 1944.
In September 1944, the first La-7s found their way onto the front lines with the 63rd Guard Fighter Aviation Corps. The reception of the new fighter was warm - it was faster and more maneuverable than the La-5, which meant it could more efficiently tackle the most common German fighter the Soviets faced: the Messerschmitt Bf 109 G. In certain circumstances, the speed allowed the Soviet pilots to intercept Fw 190 fighter-bombers - a feat impossible to achieve for other Soviet fighters like the Yak-3. The main critiques of the design were considered to be the engine reliability and armament - the twin 20 mm ShVAK cannons were judged as inadequate in fights against better armoured Fw 190s. Still, the La-7 became one of the most successful Soviet piston fighters of World War II. Soviet ace Ivan Kozhedub scored 17 kills while flying the La-7 - his last one being an Me 262 jet. After the war the La-7 was replaced by the La-9 prop fighter, although many were still used by other communist states as both fighters and trainer aircraft.
Media
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
Paste links to sources and external resources, such as:
- topic on the official game forum;
- encyclopedia page on aircraft;
- other literature.
| USSR fighters | |
|---|---|
| I-15 | I-15 WR · I-15 M-22 · I-15 M-25 · I-15bis · Krasnolutsky's I-15bis |
| I-153 M-62 · Zhukovsky's I-153-M62 · I-153P | |
| I-16 | I-16 type 5 · I-16 type 10 · I-16 type 18 · I-16 type 24 · I-16 type 27 · I-16 type 28 · I-180S |
| I-29 | I-29 |
| I-185 | I-185 (M-71) · I-185 (M-82) |
| I-225 | I-225 |
| ITP | ITP (M-1) |
| MiG-3 | MiG-3-15 · MiG-3-15 (BK) · MiG-3-34 |
| LaGG | I-301 · LaGG-3-4 · LaGG-3-8 · LaGG-3-11 · LaGG-3-23 · LaGG-3-34 · LaGG-3-35 · LaGG-3-66 |
| La | La-5 · La-5F · La-5FN · La-7 · Dolgushin's La-7 · La-7B-20 · La-9 · La-11 |
| Yak-1/7 | Yak-1 · Yak-1B · Yak-7B |
| Yak-3 | Yak-3 · Eremin's Yak-3(e) · Yak-3P · Yak-3T · Yak-3U · Yak-3 (VK-107) |
| Yak-9 | Yak-9 · Yak-9B · Golovachev's Yak-9M · Yak-9T · Yak-9K · Yak-9U · Yak-9UT · Yak-9P |
| Other countries | ▂P-40E-1 · ▂P-47D-27 · ▂Hurricane Mk IIB · ▂Fw 190 D-9 · ▂Spitfire Mk IXc |
| P-39 | ▂P-39K-1 · ▂Pokryshkin's P-39N-0 · ▂P-39Q-15 |
| P-63 | ▂P-63A-5 · ▂P-63A-10 · ▂P-63C-5 |
