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Yak-3U

2023-08-14T16:01:39Z

U124103754: Change of ammunition type

{{About
| about = Soviet fighter '''{{PAGENAME}}'''
| usage = other versions
| link = Yak-3 (Family)
}}
{{Specs-Card
|code=yak-3u
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg}}
}}

== Description ==

The '''{{Specs|name}}''' is a rank {{Specs|rank}} Soviet fighter {{Battle-rating}}. It was introduced in [[Update 1.89 "Imperial Navy"]]. It differs from the Yak-3 aircraft line by the use of a M-82 radial engine found on the Lavochkin fighters (La-5, La-7, La-9), adopting a shorter and rounder nose.

== General info ==
=== Flight performance ===
{{Specs-Avia-Flight}}

The Yak-3U is the pinnacle of the Yakovlev piston engine fighter design, combining the amazing agility of the Yak-3 airframe with the excellent Shvetsov M-82FN engine acquired from the Lavochkin line, increasing its top speed tremendously. One can expect a similar playstyle to the feared [[Yak-3P]] but turned up a few notches due to the improvement in speed. However, the big elephant in the room is the woefully inadequate armament for the tier; two B-20S 20 mm cannons mounted in the nose are unable to compete with other aircraft in the BR 6.3 range, or even other Soviet aircraft at the same tier such as the [[I-225]]. Thus, the pilot should aim for critical components (engines, wings or pilot) in order to secure a kill.

{| class="wikitable" style="text-align:center" width="70%"
! rowspan="2" | Characteristics
! colspan="2" | Max Speed (km/h at 6,000 m)
! rowspan="2" | Max altitude (metres)
! colspan="2" | Turn time (seconds)
! colspan="2" | Rate of climb (metres/second)
! rowspan="2" | Take-off run (metres)
|-
! AB !! RB !! AB !! RB !! AB !! RB
|-
! Stock
| 668 || 649 || rowspan="2" | {{Specs|ceiling}} || 18.2 || 19.4 || 21.6 || 21.6 || rowspan="2" | 360
|-
! Upgraded
| 729 || 695 || 17.2 || 18.0 || 32 || 26.5
|-
|}

==== Details ====
{| class="wikitable" style="text-align:center" width="50%"
|-
! colspan="5" | Features
|-
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
|-
| X || X || ✓ || X || X 
|-
|}

{| class="wikitable" style="text-align:center" width="50%"
|-
! colspan="7" | Limits
|-
! rowspan="2" | Wings (km/h)
! rowspan="2" | Gear (km/h)
! colspan="3" | Flaps (km/h)
! colspan="2" | Max Static G
|-
! Combat !! Take-off !! Landing !! + !! -
|-
| 700 || {{Specs|destruction|gear}} || N/A || N/A || 280 || ~12 || ~9
|-
|}

{| class="wikitable" style="text-align:center"
|-
! colspan="4" | Optimal velocities (km/h)
|-
! Ailerons !! Rudder !! Elevators !! Radiator
|-
| < 380 || < 420 || < 490 || > 340
|-
|}

{| class="wikitable" style="text-align:center"
|-
! colspan="3" | Compressor (RB/SB)
|-
! colspan="3" | Setting 1
|-
! Optimal altitude
! 100% Engine power
! WEP Engine power
|-
| 1,550 m || 1,630 hp || 1,920 hp
|-
! colspan="3" | Setting 2
|-
! Optimal altitude
! 100% Engine power
! WEP Engine power
|-
| 4,550 m || 1,430 hp || N/A
|-
|}

=== Survivability and armour ===
{{Specs-Avia-Armour}}


* 64 mm sloped bulletproof glass behind the pilot
* 8.5 mm steel plate behind the pilot seat

=== Modifications and economy ===
{{Specs-Economy}}

== Armaments ==
{{Specs-Avia-Armaments}}
=== Offensive armament ===
{{Specs-Avia-Offensive}}

{{main|B-20S (20 mm)}}

The '''''{{PAGENAME}}''''' is armed with:

* 2 x 20 mm B-20S cannons, nose-mounted (120 rpg = 240 total)

== Usage in battles ==

Being an improvement on the [[Yak-3P]], one can expect a similar playstyle to the feared Red Soviet Menace, but with more versatility thanks to the improved engine providing a large increase in speed. The -3U provides quite a unique experience, as it can out-turn the enemies it can't out-run, and it can outrun the enemies it can't out-turn, so a smart pilot will use this versatility to their advantage. One should stick with energy fighting for the most part, but can certainly turn-fight with less maneuverable opponents, which include the P51 line.

The main drawbacks of the 3U are its poor armament and poor performance above 2,000 m. The two B-20S cannons provide lacklustre stopping power at this tier and have a nasty habit of sparking, and to top it off, they have a low ammunition count of 120 rounds per gun. Due to the lack of a supercharger, the engine's output greatly decreases above 2,000 m; it is recommended to entice opponents (mainly Germans & Americans) down to altitude in order to engage them. The solid performance combined with the weak armament makes the -3U a very volatile plane. A newer or inexperienced player may find the performance enticing, but will struggle to do well if they're too trigger happy and have not used to the Soviet 20 mm very much. However, a good pilot will be able to use the upsides to these cannons (accuracy, high rate of fire and ability to start fires) to their advantage. Also worth noting is that "Armoured Targets" belts from these cannon tend to set fuel tanks on fire quite easily, so aiming at them and at the engines of enemy aircraft will likely yield bright, warm results. The Tracers belt is also a noteworthy option, as it only contains FI-T, and will easily take off control surfaces with one hit, as well as help someone who is not so confident with the ballistics of the cannons aim.

=== Manual Engine Control ===
{| class="wikitable" style="text-align:center"
|-
! colspan="7" | MEC elements
|-
! rowspan="2" | Mixer
! rowspan="2" | Pitch
! colspan="3" | Radiator
! rowspan="2" | Supercharger
! rowspan="2" | Turbocharger
|-
! Oil
! Water
! Type
|-
| Not controllable || rowspan="2" | Controllable Not auto controlled || rowspan="2" | Controllable Auto control available || rowspan="2" | Controllable Auto control available || rowspan="2" | Separate || rowspan="2" | Controllable 2 gears || rowspan="2" | Not controllable
|-
|}

=== Pros and cons ===


'''Pros:'''

* Very fast for a propeller-driven aircraft, able to out-run the P51 D-5 at low altitude
* Amazing manoeuvrability that can compete with almost every aircraft at the rank
* Solid climb rate
* Immense energy retention
* Fast firing and accurate cannons concentrated in the nose that is devastating in short, well-placed bursts at close range
* Bulletproof glass in the rear of the cockpit will prevent pilot snipes if you're being chased
* Outstanding acceleration due of the M-82FN Radial engine
* Not as prone to overheating like other Yaks
* Can reach 6,000 m (19,500 ft) in a front-climb when spaded and still perform well

'''Cons:'''

* M-82FN engine performance starts to deteriorate above 3,500 m and has no WEP beyond this altitude
* Airframe is quite weak
* Susceptible to fires
* Twin cannon setup provides poor firepower for its rank
* Difficult to keep up with contemporary aircraft in a dive, lower wing ripping speeds than a diving P-51 Mustang or F-4U Corsair (around 750 km/h or 460 mph)
* No bulletproof glass in the front of the plane, hard to use against planes with defensive turrets or in head-on situations
* Very limited ammunition load combined with the fast fire rate, trigger discipline is a must
* No combat flaps option, just like all Yak propeller fighters
* Low rip speed for a prop of its rank (700 km/h IAS)

== History ==


The Yak-3U is based on the Yak-3 VK-105PF 2 variant, with some major modifications. A Yak-3U is also referred as Yak 3U/Ash-82FN.
It was first flown on the 29th of April 1945, it was developed by Yakovlev design bureau and powered by the almighty Ash-82FN engine. It was one of the best power plants in the world at that time. Created by Design Bureau No. 19 and manufactured by Factory No. 478, it provided 1,850 BHP. This is the same engine as used on other legendary & iconic Soviet fighter and attacker aircraft, such as the [[Tu-2_(Family)|Tu-2]], [[La-5_(Family)|La-5]] & [[La-7_(Family)|La-7]] planes.

The engine was designed in the Soviet Union (Russia) by Design Bureau No. 19 it was a technological innovation based on its licensed built version Wright R-1820 cyclon power plant. The Ash-82FN featured direct fuel and afterburner injection systems to give it an additional output of 250 BHP, bringing it up-to 1850 BHP. Giving it a top speed of 705 km/h (438 mph) over its western counterpart Wright R-1820 which only provided 1,600 BHP.
The Ash-82FN allowed the Yak-3U, to hit 5 km in 3 minutes.

This plane would not enter mass production as the war was nearing the end and jet technology would become the priority for Union of Soviet Socialist Republics. This plane would become the foundation, for the legendary Yak U trainer aircraft, later to become the Yak 11.

The main differences of this modification are major modifications of the air frame over the Yak-3 VK-105PF 2 variant with:

* Installation of the Ash-82FN engine, Design Bureau No. 19 with up-to 1,850 BHP, direct fuel and afterburner injection systems gave it a top speed of 705 km/h (438 mph).
* Twin B-20S cannons, with 120 rounds per gun, total of 240 rounds with burst of 2.40 kg/s.
* Larger wing span, 9.4 m, it was additionally moved forward by 219 mm.
* Cockpit placed 84 mm higher.
* Plywood fuselage skin.
* Metal tail and metal ailerons.

*Weight and drag reduction.

* All metal wing upgrade.
* Longer landing legs increased by 80 mm, allowed for better control.

== Media ==


;Skins

* [https://live.warthunder.com/feed/camouflages/?vehicle=yak-3u Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]

;Videos
{{Youtube-gallery|gKkk0QcMabw|'''Spade Review, Yak-3U. An excellent but limited aircraft''' - ''Joseph 2000''|ARUpi8DsmTI|'''The Shooting Range #160''' - ''Metal Beasts'' section at 00:39 discusses the Yak-3U.}}

== See also ==


* [[La-5 (Family)]]
* [[La-7 (Family)]]

== External links ==


* [https://forum.warthunder.com/index.php?/topic/453518-yak-3u/ Official data sheet - more details about the performance]
* [https://forum.warthunder.com/index.php?/topic/264396-adding-the-yak-3u/&ct=1561746866 The suggestion post for the aircraft]

{{AirManufacturer Yakovlev}}
{{USSR fighters}}

I-153 M-62

2022-04-07T20:19:11Z

U124103754: Fixed some spelling errors

{{About
| about = Soviet fighter '''{{PAGENAME}}'''
| usage = other versions
| link = I-15 (Family)
}}
{{Specs-Card
|code=i-153_m62
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
|cockpit=cockpit_i-153_m62.jpg
}}

== Description ==

The '''{{Specs|name}}''' is a rank {{Specs|rank}} Soviet fighter {{Battle-rating}}. It has been in the game since the start of the Open Beta Test prior to Update 1.27.

== General info ==
=== Flight performance ===
{{Specs-Avia-Flight}}

The {{Specs|name}} possesses a good turn radius, good climb rate and good acceleration at low altitudes. To fly this plane, you should climb to medium altitudes after taking off (2,000-3,000 m) then accelerate to prepare for hot pursuit against enemy fighters and bombers.

Being a light biplane, the I-153 M-62 has an excellent maneuverability and will outturn any enemy aircraft it encounters. It also has a slow stall speed, meaning it can follow booming-and-zooming enemy aircraft in a climb after having evaded their fire. The ability to retract the landing gear reduces parasitic drag, improving the I-153 M-62's energy retention.

To get an enemy plane off your tail, it is best to simply do a turn and you won't get hit as the maneuverability of the plane is incredible. The plane's massive flaws are its low top speed and the incredible engine overheating.

{| class="wikitable" style="text-align:center" width="70%"
! rowspan="2" | Characteristics
! colspan="2" | Max Speed (km/h at 4,850 m)
! rowspan="2" | Max altitude (metres)
! colspan="2" | Turn time (seconds)
! colspan="2" | Rate of climb (metres/second)
! rowspan="2" | Take-off run (metres)
|-
! AB !! RB !! AB !! RB !! AB !! RB
|-
! Stock
| 425 || 410 || rowspan="2" | {{Specs|ceiling}} || 13.8 || 14.4 || 11.4 || 11.4 || rowspan="2" | 274
|-
! Upgraded
| 465 || 444 || 13.0 || 13.3 || 20.1 || 15.2
|-
|}

==== Details ====
{| class="wikitable" style="text-align:center" width="50%"
|-
! colspan="6" | Features
|-
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear !! Drogue chute
|-
| X || X || X || X || X || X 
|-
|}

{| class="wikitable" style="text-align:center" width="50%"
|-
! colspan="7" | Limits
|-
! rowspan="2" | Wings (km/h)
! rowspan="2" | Gear (km/h)
! colspan="3" | Flaps (km/h)
! colspan="2" | Max Static G
|-
! Combat !! Take-off !! Landing !! + !! -
|-
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || N/A || N/A || N/A || ~13 || ~6
|-
|}

{| class="wikitable" style="text-align:center"
|-
! colspan="4" | Optimal velocities (km/h)
|-
! Ailerons !! Rudder !! Elevators !! Radiator
|-
| < 180 || < 240 || < 380 || > 250
|-
|}

{| class="wikitable" style="text-align:center"
|-
! Compressor
! Optimal altitude
! 100% Engine power
! WEP Engine power
|-
! Setting 1
| 1,530 m || 840 hp || 1,023 hp
|-
! Setting 2
| 4,200 m || 800 hp || 975 hp
|}

=== Survivability and armour ===
{{Specs-Avia-Armour}}


The Chaika is a biplane, so don't expect much survivability. It can withstand a few shots from 7 mm MGs, but guns like the American .50 cal will shred it to pieces, and cannons will decimate it. However, it can be flown (to some extent) with parts of the wings missing, which can be helpful to get back to the base. Your greatest protection is your maneuverability, so keep making maneuvers to avoid enemy fire when you can.

The only armour on the aircraft is a 8 mm steel plate behind the pilot. While it can stop rifle calibre MG over 400 m, its effectiveness remains limited against targets at closer range or armed with heavier armament.

* 8 mm steel: behind pilot.
* Fuel tank is self-sealing.

=== Modifications and economy ===
{{Specs-Economy}}

== Armaments ==
{{Specs-Avia-Armaments}}
=== Offensive armament ===
{{Specs-Avia-Offensive}}

{{main|ShKAS (7.62 mm)}}

The '''''{{PAGENAME}}''''' is armed with:

* 4 x 7.62 mm ShKAS machine guns, nose-mounted (700 rpg + 750 rpg + 520 rpg + 500 rpg clockwise from the top-left = 2,470 total)

The ShKAS machine guns were a direct improvement over the PV machine guns on the early I-15 series, with absurd rate of fire and huge amount of ammunition. Due to the Chaika's wide nose, the guns has a rather wide spread when convergence is not set, but near pinpoint accurate when it is set (usually 600-800 m).

While the individual round is fairly weak, it makes up with the sheer amount of rounds it can deliver (120 rounds per second) which means more chance for the rounds to hit the pilot and setting the engine/fuel tank on fire, especially when using the "Tracers" and "Stealth" belts. When combined with the plane's agility, this result into a deadly combo of a highly efficient dogfighter that is more than capable at pilot and engine sniping, even when pitting against superior foes at higher ranks.

The main drawbacks of the ShKAS machine guns are its vulnerability to jamming which made trigger discipline vital, as well as an uneven distribution of each gun's ammunition, the latter will cause some gun to expend all of its ammo before the other and reduce the firepower of the plane when low on ammo.

=== Suspended armament ===
{{Specs-Avia-Suspended}}

{{main|FAB-50 (50 kg)|RS-82|RBS-82}}

The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:

* Without load
* 4 x 50 kg FAB-50 bombs (200 kg total)
* 8 x 82 mm RS-82 rockets
* 8 x 82 mm RBS-82 rockets

== Usage in battles ==

As described earlier, climbing at an aggressive rate during the beginning of the game is extremely beneficial. Once at bomber altitude, building up speed is a must as the biplane bleeds speed in high altitude turns. However, once this is achieved, the plane has free reign overruling the sky. Play mainly as an interceptor and air defence fighter and watch as the enemy plummets towards the ground.

Anything with .50 cals will usually knock your engine out almost immediately. Also, tracer belts easily light this on fire, and the burning is usually fatal. As a result, turn-fighting to keep yourself out of enemy guns is advisable.

Many aircraft will attempt to Boom & Zoom you if you remain at low altitudes. Should this happen, engage as though you were going to head-on and break off at the last moment. By swinging around, you'll be able to catch them as they pull up and destroy them.

'''Realistic Battles:'''

Start out by climbing to ~2,000 m and then gaining airspeed. You then react to the most imminent/dangerous threats, either diving on lower flying planes or attackers, or going a bit higher up to get a bomber kill, or in general, luring people into turnfights.

'''Mixed Battles/CAS:'''

Surprisingly, this small biplane is quite deadly as a CAS aircraft. It can carry 4 x 50 kg bombs, which can still be relatively effective at this BR, or the lethal RBS-82 rockets, 4 on each wing. These effectively function as APHE, as they deal little to no damage if a direct hit does not occur. If it does, however, it will instantly destroy the tank with a single hit. Therefore, if you are comfortable with your aim, you can destroy up to 4 targets per sortie, and a few more with some strafing. Due to its low stall speed and incredible maneuverability, the I-153 can easily be pulled out of a dive at very low altitude. SPAA are a considerable threat however, as the Chaika isn't exactly a hard target to hit if the pilot is unaware of their surroundings. The biggest threats are the [[M16 MGMC]] and [[Flakpanzer 38]] due to their high rate of fire. The [[P.7.T AA]] is also a rare, yet deadly occurrence.

'''Simulator:'''

The I-153 can be used in turnfighting, bomber intercepting and ground pounding. Like in AB and RB, it is excellent in turning tightly and continuously, and it has lovely low-speed handling and low stall speeds (unlike its successor I-16), making it a great starter plane for sim. However it does have its drawbacks: the rather big nose blocks the visibility a lot, offering very poor over-the-nose visibility which is a disadvantage in a turn fight, because when leading a shot the enemy will always get obstructed by the engine, making the player guess the shot. Also its upper wings will get in the way when you look aside.

Note: it is recommended to set the convergence within 300 m, with vertical convergence on, because the majority of turnfights happen at that range or closer.

Before engaging in a fight, it is better to have an altitude advantage first. When approaching the fight try to figure out which is your teammate and which is the enemy, to avoid going for a second pass, as the energy retention of the I-153 is rather slow. Also pick your target carefully. For easier aiming, you want to go for those unmanoeuvrable twin engine aircraft like [[Ju 88 (Family)|Ju 88]] or [[Ki-45 (Family)|Ki-45]], or bombers if there are any. Given the bad forward visibility of the I-153, these are the best options as they are quite slow and sluggish, and are a bigger target to hit. However getting hits on them doesn't mean good damage, so you must be patient. When dealing with fighters, it is way harder to aim. The elevator control of the I-153 is extremely sensitive, giving it good manoeuvrability, but at the same time, bad handling. The I-153 will respond in a very fast turn upon moving your stick / mouse by a little bit, which makes tracking nimble planes quite hard. But once you get used to it, try to lure every enemy into a turnfight, as that is where the I-153 shines. Quite a bit of bullets are required to effectively damage the enemy so you must be patient. If you find an enemy at your 6, utilise your great roll rate to do defensive manoeuvres like scissors to make them overshoot. Or you can simply do tight turns, most monoplanes won't be able to cut inside your turn and they might disengage.

If you are not very experienced in sim, you can also go for even bigger targets (bombers) for easier aiming. However you want to be more careful when hunting bombers, since with the Sim control (whether it be mouse joystick or a real stick) the plane will manoeuvre much more gently, making itself a great target for the bomber's gunners. Do not follow behind a bomber's 6 unless you are sure that its tail gunners are unconscious. Chasing behind a bomber makes yourself stationary for the tail gunners, and you will be showered with bullets. Your big radial engine will usually get damaged. Instead, before attacking, get an altitude advantage over the bomber by flying around 2 km above it. The bomber should only fill up about 1/6 of your gunsight. The best position for an attack is at the bomber's high 6 so you can adjust the lead much easier. Dive at the bomber, but not directly at it, try to predict where you two will crash by imagining yourself as a missile, that's where you should aim at (deflection shooting). To maximise the damage it is better to aim for their wings and engines, as the fuselage usually soaks up quite some bullets. Only fire when the bomber passes in front of your guns. This short window might seem inadequate to do anything, but with a accurate burst on the engine the 4 MG can at least damage it. With an engine damaged most bombers cannot go far.

Ground pounding ability is average as there is only light bombs and rockets. The 8 rockets, with accurate aiming, can destroy 4 targets, whether them be tanks or pillboxes. The small 50 kg bombs can be used on light pillboxes. Once the suspended armaments are gone, the 4 MG are good for killing soft targets like trucks, artillery and AA cars.

'''Enemies worth noting:'''

* [[Ki-27 otsu|Ki-27]], [[N1K1]], [[He 51 (Family)|He 51]], [[Gladiator (Family)|Gladiator]], etc. - Those commonly seen planes are equally good at turnfights and will be a hard target to down since they are very small and agile. To deal with them you need to practice leading and deflection shots, plus manoeuvres like barrel rolls and scissors. They still need plenty of bullets to get damaged, so these kind of targets are the hardest to kill and requires great skills from the player.

* [[Do 17 Z-2]] - This early twin-engine plane always shows up as an AI-controlled recon aircraft that you have to down, which is a good news as AI won't manoeuvre aggressively. However this plane is extremely durable for the I-153's weak MGs. When it shows up as an AI, deflection shots are not recommended as the small shooting windows really does nothing. Instead, try disabling its 2 gunners first, then just sit behind it and burst on its wings and engines. When attacking the gunners try to not get your engine damaged by pulling evasive manoeuvres as soon as the bullets come close, since the Do 17 can outrun the I-153 in a level flight.

* [[He 111 H-6]] - This bomber is not only quite durable, but also pretty fast. In level flight it can outrun the I-153 rather easily. Avoid being on its 6 as it will have at least 2x 7.92 mm MG facing its tail, and their rapid firerate and good penetration is a big threat. Either go for a head-on or use deflection shooting and aim for its engines. If you cannot keep up with it, disengage. If it flies way higher than you, change your target.

* [[Sunderland Mk IIIa]] - This flying boat is like a low-tier [[Be-6]]. Its huge fuselage is very spacious and can absorb lots of bullets and shells. It also has lethal defensive firepower: two 7.7 mm in the nose, four forward-facing, two on the top and four at the tail, so attacking from behind, in front or above aren't the best options. Dive under it and suddenly pull up to shoot its defenseless underpart. Aim at the large wings and engines, avoid shooting the fuselage.

[[He 100 D-1|He 100]], [[Bf 109 E-1|Bf 109 E]] / F, [[A6M2]] - These planes might not be able to out-turn the I-153, but they can easily outrun it as the I-153 is slower. These fighters will usually BnZ you, so you must constantly look above and behind you. If they are diving on you, do what you do in realistic: use your roll rate and dodge under their negative-G areas. Most players will try to follow up, if not immediately losing track of you. Several dodges might make them impatient and if they really start to turn with you, they are already dead.

===Manual Engine Control===
{| class="wikitable" style="text-align:center"
|-
! colspan="7" | MEC elements
|-
! rowspan="2" | Mixer
! rowspan="2" | Pitch
! colspan="3" | Radiator
! rowspan="2" | Supercharger
! rowspan="2" | Turbocharger
|-
! Oil
! Water
! Type
|-
| Controllable || rowspan="2" | Controllable Not auto controlled || rowspan="2" | Controllable Not auto controlled || rowspan="2" | Controllable Not auto controlled || rowspan="2" | Separate || rowspan="2" | Controllable 2 gears || rowspan="2" | Not controllable
|-
|}

=== Pros and cons ===


'''Pros:'''

* Excellent flight performance
* Small target, coupled with great manoeuvring ability making it hard to target
* Great offensive capabilities
** 4 x rapid-firing ShKAS machine guns with large ammo reserves and deadly incendiary tracer belts
** Option to be equipped with rockets (can destroy most enemy tanks in ground RB at its rank)
** Great at destroying bombers with a hail of rockets and machine gun fire
** Very good at strafing soft targets in air battles due to accuracy and low stall speed
* Can be surprisingly effective in higher BR with careful engagements
* Excellent for learning/performing highly advanced aerobatic manoeuvres

'''Cons:'''

* Biplane design
** Frail airframe, can be destroyed or crippled with a few well placed hits
** Low speed compared to monoplanes or even some other biplanes
** Very vulnerable to fire damage
** Poor energy retention
* ShKAS machine guns prone to overheating
* Uneven ammo distribution on each gun reduces firepower when the plane is low on ammo
* Virtually no frontal protection, thus making the engine very prone to damage
** A single machine gun round to the engine is capable of knocking it out
** Defensive armament of bombers can easily wreck this aircraft's engine
** Not suited for head-on attacks
** Loses a lot of performance if the engine is hit
* Vulnerable to boom-and-zoom attacks, especially when climbing

== History ==

The I-153 Chaika (aka I-15ter) is the last biplane made by Polikarpov. Created in 1939, due to misleading results of Aerial Warfare in the 1937 Spanish Civil War, a meeting chaired by Stalin concluded that the Fiat CR.32 biplane was superior to the Polikarpov I-16 monoplane. A technologically superior [[Bf 109 (Family)|Bf 109]] that had been introduced was ignored, and instead, work on the new I-153 biplane was officially approved on 11 October 1937.

The fuselage and wings of the I-153 were similar to those of the I-15 and I-152, with a steel tube framework, covered by metal at the front of the fuselage and fabric elsewhere. The manually operated retractable undercarriage rotated through 90 degrees before folding back into the fuselage. The first prototype was powered by a 750 hp M-25V engine. Its maiden flight is variously reported as having taken place in May or August 1938, with A. I. Zhukov at the controls. Tests that began on 27 September are variously described as state acceptance or factory trials. These tests weren't entirely satisfactory and production was delayed while some of the problems were solved. This plane is equipped The 800 hp M-62 was used in the largest number of aircraft, produced around 3,018 in total. The standard I-153 was armed with four ShKAS machine guns. These replaced the PV-1 guns used on the I-15 and I-152 and had a much higher rate of fire (1,800 compared to 750 rounds per minute) as well as being much lighter. The four underwing bomb racks could also carry up to 441 lb of bombs. The I-153 entered Red Air Force service in October 1938 and was soon thrust into combat in the Far East, where the Soviet Union was engaged in an unofficial war against Japan in Mongolia. The I-153 had a successful combat debut. Thirteen aircraft had been allocated to the 22nd IAP, and on 7 July 1939 nine were sent into combat with their wheels down. As had been hoped this convinced the pilots of a flight of Japanese Nakajima Ki-27 monoplanes that they were facing the I-15. Just before they entered combat the Soviet pilots raised their undercarriages and turned into combat. Four Japanese aircraft were claimed, although only two losses were acknowledged by the Japanese. Ninety-three I-153s were provided to China (a tiny proportion of the overall Soviet contribution to the war effort against Japan in 1937-1941).

The I-153 saw combat during the Winter War against Finland (1939-1940), probably suffering heavy losses against the small Finnish air force.

On 22 June 1941, the I-153 made up one-third of the Soviet fighter forces in the western parts of the Soviet Union, accounting for around 1,500 of the 4,226 fighters available at the start of the German invasion. A vast number of aircraft were destroyed in the first few days of the fighting, but enough I-153s survived for them to play a major part in the early part of the fighting, and they were responsible for most of the 800 German aircraft claimed between 22 June and 5 July. The I-153 remained in use as a front line fighter until early in 1942, but by then very few aircraft were still intact, having been lost in the air, on the ground and while acting as ground attack aircraft. The surviving aircraft remained in use in secondary roles into 1943, although they were also used as ground attack aircraft. By the middle of 1943, the Red Air Force only had 36 I-153s on its strength. A few remained in service in the Far East as late as 1945.

=== In-game description ===
"The I-153P Chaika (Seagull) was a Soviet biplane fighter of the 1930s and 1940s. It was created by the Polikarpov Design Bureau in 1938. It is a modification (3rd variant) of the earlier I-15 fighter, as shown in the designation. The Chaika was considered to be the fastest biplane in the world. However, at the start of hostilities between the Soviet Union and Germany, the I-153 could not compete on equal terms with the German Messerschmitt Bf-109 and therefore was mainly used in ground attack roles.

For many years, Soviet pilots considered the I-16 to be the most dangerous aircraft in a spin. Therefore, when flight testing the I-153 with the M-25 engine in March and April of 1939, the VVS Command paid special attention to its spin characteristics. Initially, the matter remained unresolved. However, in the summer of 1939, when the new aircraft saw action against the Japanese in Mongolia, NII VVS returned to this crucial point. Test results were disappointing. By the third full rotation the I-153 would go into a flat spin; the engine would cease by the fifth formation, after which spin recovery would become extremely difficult. Lowering the landing gear in order to shift the center [sic] of gravity did not help. The Chaika still took a significant amount of time to recover."

== Media ==


;Skins

* [https://live.warthunder.com/feed/camouflages/?vehicle=i-153_m62 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]

;Videos
{{Youtube-gallery|7d-Kop_sGt8|'''The Shooting Range #162''' - ''Pages of History'' section at 04:44 discusses the I-153.}}

== 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 ==


* [[wt:en/news/2768--en|[Vehicle Profile] Polikarpov I-153]]

{{AirManufacturer Polikarpov}}
{{USSR fighters}}