Difference between revisions of "I-15 WR"

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{{About
 +
| about = Soviet fighter '''{{PAGENAME}}'''
 +
| usage = other versions
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| link = I-15 (Family)
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}}
 
{{Specs-Card
 
{{Specs-Card
 
|code=i-15_1934
 
|code=i-15_1934
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg}}
 
|cockpit=cockpit_i-15_1934.jpg
 
|cockpit=cockpit_i-15_1934.jpg
−
}}
 
−
{{About
 
−
| about = Russian biplane '''{{PAGENAME}}'''
 
−
| usage = other uses
 
−
| link = I-15 (Family)
 
 
}}
 
}}
  
 
== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
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[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
+
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.
−
{{break}}
 
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Russian fighter {{Battle-rating}}. It has been in the game since the start of the Open Beta Test prior to Update 1.27.
 
  
 
The I-15 WR is a single-engine fighter developed by the OKB Polikarpov as the I-15 (TsKB-3), first released in 1934 which featured a biplane mixed design with a gull-type upper wing, open cockpit and non-retractable landing gear. The I-15 WR fighter was developed at the Central Design Bureau under the direction of N. N. Polikarpov. This aircraft was a further development and refinement of the existing I-5 and I-6 fighters. The main task of the designers when creating the I-15 WR was to improve aerodynamics without significant changes to the overall size of the aircraft. The first prototype first flew in October 1934 under the direction of test pilot V. P. Chkalov. This aircraft had an American 9-cylinder star-shaped, air-cooled engine Wright Cyclone SGR-1820-F-3 installed which had a take-off capacity of 715 litres.
 
The I-15 WR is a single-engine fighter developed by the OKB Polikarpov as the I-15 (TsKB-3), first released in 1934 which featured a biplane mixed design with a gull-type upper wing, open cockpit and non-retractable landing gear. The I-15 WR fighter was developed at the Central Design Bureau under the direction of N. N. Polikarpov. This aircraft was a further development and refinement of the existing I-5 and I-6 fighters. The main task of the designers when creating the I-15 WR was to improve aerodynamics without significant changes to the overall size of the aircraft. The first prototype first flew in October 1934 under the direction of test pilot V. P. Chkalov. This aircraft had an American 9-cylinder star-shaped, air-cooled engine Wright Cyclone SGR-1820-F-3 installed which had a take-off capacity of 715 litres.
  
−
Preparations for mass production of the I-15 began even before the completion of flight tests. The first serial fighter of its type, the I-15, was built at aircraft factory No. 39  the summer of 1934. The initial armament of this fighter series consisted of two 7.62 mm synchronized PV-1 machine guns (“Aircraft machine gun” - a version of Maxim machine gun designed for installation on aeroplanes) with 750 rounds of ammunition per barrel. Cartridges loaded into ammunition belts and were housed in the central part of the fuselage just behind the gas tank. Provisions were made to also collect the spent ammunition casings. Aiming the machine guns was carried out using an optical sight OP-1 (a variant of the British "Aldis"), which was placed on the edge of the pilot's visor. In the event the optical sight failed, a backup mechanical ring sight, the KP-5 was attached to the telescopic sight tube.
+
Preparations for mass production of the I-15 began even before the completion of flight tests. The first serial fighter of its type, the I-15, was built at aircraft factory No. 39  the summer of 1934. The initial armament of this fighter series consisted of two 7.62 mm synchronized PV-1 machine guns ("Aircraft machine gun" - a version of Maxim machine gun designed for installation on aeroplanes) with 750 rounds of ammunition per barrel. Cartridges loaded into ammunition belts and were housed in the central part of the fuselage just behind the gas tank. Provisions were made to also collect the spent ammunition casings. Aiming the machine guns was carried out using an optical sight OP-1 (a variant of the British "Aldis"), which was placed on the edge of the pilot's visor. In the event the optical sight failed, a backup mechanical ring sight, the KP-5 was attached to the telescopic sight tube.
  
 
Under the lower wing, four Der-32 bomb racks could be installed for small-calibre bombs with a total mass of up to 40 kg (4 x P-7, or 4 x AO-8, or 4 x AO-10), however, two 50 kg FAB-50 bombs could be taken as maximum payload as is the option here in War Thunder. Total aircraft production in 1934, between the two Moscow Aviation Manufacturing Plants, No. 1 and No. 39 produced 94 I-15 fighters. The first batch of 50 aircraft featured the American SGR-1820-F-3 engines installed as manufactured, however, after April 1934 the rest of the Wright Cyclone engines underwent alterations and improvements at the request of Soviet engineers in which particular changes were made especially to the machine gun synchronization mechanism installed on the engine.
 
Under the lower wing, four Der-32 bomb racks could be installed for small-calibre bombs with a total mass of up to 40 kg (4 x P-7, or 4 x AO-8, or 4 x AO-10), however, two 50 kg FAB-50 bombs could be taken as maximum payload as is the option here in War Thunder. Total aircraft production in 1934, between the two Moscow Aviation Manufacturing Plants, No. 1 and No. 39 produced 94 I-15 fighters. The first batch of 50 aircraft featured the American SGR-1820-F-3 engines installed as manufactured, however, after April 1934 the rest of the Wright Cyclone engines underwent alterations and improvements at the request of Soviet engineers in which particular changes were made especially to the machine gun synchronization mechanism installed on the engine.
  
 
== General info ==
 
== General info ==
−
=== Flight Performance ===
+
=== Flight performance ===
 +
{{Specs-Avia-Flight}}
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="70%"
−
|-
+
! rowspan="2" | Characteristics
−
! colspan="8" | Characteristics
 
−
|-
 
−
! colspan="8" | ''Stock''
 
−
|-
 
 
! colspan="2" | Max Speed<br>(km/h at 3,000 m)
 
! colspan="2" | Max Speed<br>(km/h at 3,000 m)
−
! rowspan="2" | Max altitude<br>(meters)
+
! rowspan="2" | Max altitude<br>(metres)
 
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Turn time<br>(seconds)
−
! colspan="2" | Rate of climb<br>(meters/second)
+
! colspan="2" | Rate of climb<br>(metres/second)
−
! rowspan="2" | Take-off run<br>(meters)
+
! rowspan="2" | Take-off run<br>(metres)
 
|-
 
|-
−
! AB
+
! AB !! RB !! AB !! RB !! AB !! RB
−
! RB
 
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
 
|-
 
|-
−
| 358 || 348 || {{Specs|ceiling}} || 8.1 || 8.7 || 10.5 || 10.5 || 125
+
! Stock
 +
| 358 || 347 || rowspan="2" | {{Specs|ceiling}} || 8.4 || 8.6 || 10.9 || 10.9 || rowspan="2" | 125
 
|-
 
|-
−
! colspan="8" | ''Upgraded''
+
! Upgraded
−
|-
+
| 378 || 368 || 7.7 || 8.0 || 16.2 || 13.4
−
! colspan="2" | Max Speed<br>(km/h at 3,000 m)
 
−
! rowspan="2" | Max altitude<br>(meters)
 
−
! colspan="2" | Turn time<br>(seconds)
 
−
! colspan="2" | Rate of climb<br>(meters/second)
 
−
! rowspan="2" | Take-off run<br>(meters)
 
−
|-
 
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
−
|-
 
−
| 379 || 368 || {{Specs|ceiling}} || 7.9 || 8.0 || 16.9 || 13.4 || 125
 
 
|-
 
|-
 
|}
 
|}
  
 
==== Details ====
 
==== Details ====
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="5" | Features
 
! colspan="5" | Features
 
|-
 
|-
−
! Combat flaps
+
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
−
! Take-off flaps
 
−
! Landing flaps
 
−
! Air brakes
 
−
! Arrestor gear
 
 
|-
 
|-
 
| X || X || ✓ || X || X    <!-- ✓ -->
 
| X || X || ✓ || X || X    <!-- ✓ -->
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|}
 
|}
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
−
! colspan="5" | Limits
+
! colspan="7" | Limits
 
|-
 
|-
−
! rowspan="2" | Wing-break speed<br>(km/h)
+
! rowspan="2" | Wings (km/h)
−
! rowspan="2" | Gear limit<br>(km/h)
+
! rowspan="2" | Gear (km/h)
−
! rowspan="2" | Combat flaps<br>(km/h)
+
! colspan="3" | Flaps (km/h)
 
! colspan="2" | Max Static G
 
! colspan="2" | Max Static G
 
|-
 
|-
−
! +
+
! Combat !! Take-off !! Landing !! + !! -
−
! -
+
|-
−
|-
+
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || N/A || N/A || 320 || ~11 || ~4
−
|{{Specs|1=destruction|2=body}}||{{Specs|1=destruction|2=gear}} || 520 || ~11 || ~4
 
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! colspan="4" | Optimal velocities
+
! colspan="4" | Optimal velocities (km/h)
 
|-
 
|-
−
! Ailerons<br>(km/h)
+
! Ailerons !! Rudder !! Elevators !! Radiator
−
! Rudder<br>(km/h)
 
−
! Elevators<br>(km/h)
 
−
! Radiator<br>(km/h)
 
 
|-
 
|-
−
| < 180 || < 360 || < 260 || > 180
+
| < 250 || < 260 || < 260 || > 190
 
|-
 
|-
 
|}
 
|}
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=== Survivability and armour ===
 
=== Survivability and armour ===
 +
{{Specs-Avia-Armour}}
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
 
<!-- ''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.'' -->
  
−
The I-15 WR does not have significant armor protection. All the important modules are located in the front half of the fuselage, and the large fuel tank is not self-sealing. With all the important modules packed together, well aimed shots will have little trouble causing significant damage very quickly. As such, the I-15 WR must rely on other factors, such as maneuverability, in order to increase its survivability.
+
The I-15 WR does not have significant armour protection. All the important modules are located in the front half of the fuselage, and the large fuel tank is not self-sealing. With all the important modules packed together, well aimed shots will have little trouble causing significant damage very quickly. As such, the I-15 WR must rely on other factors, such as manoeuvrability, in order to increase its survivability.
  
 
* 8 mm Steel - Behind Pilot's Seat
 
* 8 mm Steel - Behind Pilot's Seat
 
* Non-Self-Sealing Fuel Tanks
 
* Non-Self-Sealing Fuel Tanks
 +
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Offensive armament ===
 
=== Offensive armament ===
 +
{{Specs-Avia-Offensive}}
 
<!-- ''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.'' -->
 
<!-- ''Describe the 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|PV-1 (7.62 mm)}}
 
{{main|PV-1 (7.62 mm)}}
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* 4 x 7.62 mm PV-1 machine guns, nose-mounted (750 rpg = 3,000 total)
 
* 4 x 7.62 mm PV-1 machine guns, nose-mounted (750 rpg = 3,000 total)
 +
 +
Available belts:
 +
 +
* '''Default''': T/Ball/AP-I/AI/AI/AI - 50% of the belt consist of incendiary bullets which deal more damage to the crew in a distance of 500 m and higher than other bullets. On the other hand, this belt has almost 33% bullets without any additional effect, so this belt can be found useful against fighters.
 +
* '''Universal''': T/AP-I/AI/AI/API-T - The belt consists of the same amount of AI and AP bullets which makes it useful against all types of targets, and it still has one tracer bullet.
 +
* '''Tracers''': API-T - The best against bombers as the whole belt consist of AP bullets, which deal most damage to the modules of aircraft and makes more damage to the crew at a distance lower than 500 m.
 +
* '''Stealth''': AP-I/AP-I/AP-I/AI/AI - 60% of the belt consists of AP bullets. Recommended for unexpected attacks and it may help new players to get used to stealth ammunition. Quite universal, so can be used against all targets with the same efficiency.
  
 
=== Suspended armament ===
 
=== Suspended armament ===
 +
{{Specs-Avia-Suspended}}
 
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
 
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
−
{{main|FAB-50 (50 kg)}}
+
{{main|FAB-50sv (50 kg)}}
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
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== Usage in battles ==
 
== Usage in battles ==
−
<!--''Describe the tactics of playing in an aircraft, the features of using vehicles in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
+
<!-- ''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).'' -->
  
 
The I-15 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. Plus, it has an awful telescope-like gunsight, so when zoomed in the I-15's nimbleness is magnified, making the aim super wobbly. You cannot see anything around which greatly reduces your situational awareness.
 
The I-15 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. Plus, it has an awful telescope-like gunsight, so when zoomed in the I-15's nimbleness is magnified, making the aim super wobbly. You cannot see anything around which greatly reduces your situational awareness.
  
−
Note: it is recommended to set the convergence within 300m, with vertical convergence on, because the majority of turnfights happen at that range or closer.
+
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.
  
 
Note 2: in a turnfight you must get used to shooting without zooming in, as you really can't see anything with its awkward scope when zoomed it. However when tailing a straight-flying plane that scope doesn't seem that bad
 
Note 2: in a turnfight you must get used to shooting without zooming in, as you really can't see anything with its awkward scope when zoomed it. However when tailing a straight-flying plane that scope doesn't seem that bad
  
−
Before engaging 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-15 is rather slow. Also pick your target carefully. For easier aiming, you want to go for those unmaneuverble 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-15, 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-15 is extremely sensitive, giving it good maneuverbility, but at the same time, bad handling. The I-15 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-15 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 maneuvers 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.
+
Before engaging 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-15 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-15, 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-15 is extremely sensitive, giving it good manoeuvrability, but at the same time, bad handling. The I-15 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-15 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.
  
−
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.
+
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 poor as there are only light bombs. The small 50kg bombs can be used on light pillboxes, or base bombing if you want, although the effect is almost non-existent. Once the suspended armaments are gone, the 4 MG are good for killing soft targets like trucks, artillery and AA cars.
+
Ground pounding ability is poor as there are only light bombs. The small 50 kg bombs can be used on light pillboxes, or base bombing if you want, although the effect is almost non-existent. Once the suspended armaments are gone, the 4 MG are good for killing soft targets like trucks, artillery and AA cars.
  
 
'''Enemies worth noting:'''
 
'''Enemies worth noting:'''
  
−
[[Ki-27 otsu|Ki-27]], [[N1K1]], [[He 51 (Family)|He 51]], [[Gladiator (Family)|Gladiator]], etc;
+
* [[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.
  
−
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 maneuvers 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-15'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-15 in a level flight.
−
 
 
−
[[Do 17 Z-2|Do 17 Z]]:
 
−
 
 
−
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 maneuver aggressively. However this plane is extremely durable for the I-15'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 maneuvers as soon as the bullets come close, since the Do 17 can outrun the I-15 in a level flight.
 
  
 
=== Manual Engine Control ===
 
=== Manual Engine Control ===
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|-
 
|-
 
| Controllable || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Controllable<br>Not auto controlled || rowspan="2" | Separate || rowspan="2" | Not controllable<br>1 gear || rowspan="2" | Not controllable
 
| Controllable || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Controllable<br>Not auto controlled || rowspan="2" | Separate || rowspan="2" | Not controllable<br>1 gear || rowspan="2" | Not controllable
−
|-
 
−
|}
 
−
 
−
=== Modules ===
 
−
{| class="wikitable"
 
−
! colspan="1" | Tier
 
−
! colspan="2" | Flight performance
 
−
! colspan="1" | Survivability
 
−
! colspan="1" | Weaponry
 
−
|-
 
−
| I
 
−
| Fuselage repair
 
−
| Radiator
 
−
|
 
−
| Offensive 7 mm
 
−
|-
 
−
| II
 
−
|
 
−
| Compressor
 
−
|
 
−
| New 7 mm MGs
 
−
|-
 
−
| III
 
−
| Wings repair
 
−
| Engine
 
−
| Airframe
 
−
| DZ-40
 
−
|-
 
−
| IV
 
−
|
 
−
|
 
−
| Cover
 
−
|
 
 
|-
 
|-
 
|}
 
|}
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* Good rate of climb
 
* Good rate of climb
 
* Small silhouette meaning you are harder to hit
 
* Small silhouette meaning you are harder to hit
−
* 2 x 50 kg bombs allow you to have ''some'' ground-pounding abilities in ground battles
+
* 2 x 50 kg bombs allow you to have some ground-pounding abilities in ground battles
 
* Fixed gear is convenient for quick landings and takeoffs
 
* Fixed gear is convenient for quick landings and takeoffs
 
* Very short take off distance
 
* Very short take off distance
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'''Cons:'''
 
'''Cons:'''
  
−
* Very slow speed: cannot keep up with early monoplane fighters (eg [[He 112 (Family)|He 112]]) or even some bombers such as [[Do 17 E-1]]
+
* Very slow speed: cannot keep up with early monoplane fighters (e.g. [[He 112 (Family)|He 112]]) or even some bombers such as [[Do 17 E-1]]
 
* Will quickly lose speed gathered in a dive
 
* Will quickly lose speed gathered in a dive
 
* Average roll rate
 
* Average roll rate
Line 253: Line 200:
 
* Side views are obstructed by the upper wings and supporting structures
 
* Side views are obstructed by the upper wings and supporting structures
 
* Very wobbly with Simulator controls, making it hard to aim precisely
 
* Very wobbly with Simulator controls, making it hard to aim precisely
−
* Vulnerable to heavy machine gun fire (eg. [[Browning M2 (12.7 mm)|.50 cal M2 Browning]], [[Breda-SAFAT (12.7 mm)|12.7 mm Breda-SAFAT]])
+
* Vulnerable to heavy machine gun fire (e.g. [[Browning M2 (12.7 mm)|.50 cal M2 Browning]], [[Breda-SAFAT (12.7 mm)|12.7 mm Breda-SAFAT]])
  
 
== 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 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>=== Encyclopedia Info ===</nowiki></code>, also if applicable).''
+
''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).''
  
 
== Media ==
 
== Media ==
−
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 +
 
 +
;Skins
 +
 
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=i-15_1934 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
  
 
== See also ==
 
== 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;''
 +
* ''links to approximate analogues of other nations and research trees.''-->
  
−
* ''reference to the series of the aircraft;''
+
;Related development
−
* ''links to approximate analogues of other nations and research trees.''
+
* [[I-15 (Family)]]
  
 
== External links ==
 
== 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;''
−
* ''encyclopedia page on the aircraft;''
 
 
* ''other literature.''
 
* ''other literature.''
  
 
{{AirManufacturer Polikarpov}}
 
{{AirManufacturer Polikarpov}}
 
{{USSR fighters}}
 
{{USSR fighters}}

Latest revision as of 19:31, 3 December 2023

Rank VI USA | Premium | Golden Eagles
A-10A Thunderbolt (Early)
This page is about the Soviet fighter I-15 WR. For other versions, see I-15 (Family).
I-15 WR
i-15_1934.png
GarageImage I-15 WR.jpg
360://https://wiki.warthunder.com/images/a/ae/Cockpit_i-15_1934.jpg
I-15 WR
USSR flag.png USSR
I Rank
Battle rating:
AB RB SB
1.0 1.0 1.0
Class:
Research:Free
Purchase:Free
Show in game

Description

The I-15 WR is a rank I Soviet fighter with a battle rating of 1.0 (AB/RB/SB). It has been in the game since the start of the Open Beta Test prior to Update 1.27.

The I-15 WR is a single-engine fighter developed by the OKB Polikarpov as the I-15 (TsKB-3), first released in 1934 which featured a biplane mixed design with a gull-type upper wing, open cockpit and non-retractable landing gear. The I-15 WR fighter was developed at the Central Design Bureau under the direction of N. N. Polikarpov. This aircraft was a further development and refinement of the existing I-5 and I-6 fighters. The main task of the designers when creating the I-15 WR was to improve aerodynamics without significant changes to the overall size of the aircraft. The first prototype first flew in October 1934 under the direction of test pilot V. P. Chkalov. This aircraft had an American 9-cylinder star-shaped, air-cooled engine Wright Cyclone SGR-1820-F-3 installed which had a take-off capacity of 715 litres.

Preparations for mass production of the I-15 began even before the completion of flight tests. The first serial fighter of its type, the I-15, was built at aircraft factory No. 39 the summer of 1934. The initial armament of this fighter series consisted of two 7.62 mm synchronized PV-1 machine guns ("Aircraft machine gun" - a version of Maxim machine gun designed for installation on aeroplanes) with 750 rounds of ammunition per barrel. Cartridges loaded into ammunition belts and were housed in the central part of the fuselage just behind the gas tank. Provisions were made to also collect the spent ammunition casings. Aiming the machine guns was carried out using an optical sight OP-1 (a variant of the British "Aldis"), which was placed on the edge of the pilot's visor. In the event the optical sight failed, a backup mechanical ring sight, the KP-5 was attached to the telescopic sight tube.

Under the lower wing, four Der-32 bomb racks could be installed for small-calibre bombs with a total mass of up to 40 kg (4 x P-7, or 4 x AO-8, or 4 x AO-10), however, two 50 kg FAB-50 bombs could be taken as maximum payload as is the option here in War Thunder. Total aircraft production in 1934, between the two Moscow Aviation Manufacturing Plants, No. 1 and No. 39 produced 94 I-15 fighters. The first batch of 50 aircraft featured the American SGR-1820-F-3 engines installed as manufactured, however, after April 1934 the rest of the Wright Cyclone engines underwent alterations and improvements at the request of Soviet engineers in which particular changes were made especially to the machine gun synchronization mechanism installed on the engine.

General info

Flight performance

Max speed
at 3 000 m368 km/h
Turn time8 s
Max altitude9 200 m
EngineWright SGR-1820 F-3
TypeRadial
Cooling systemAir
Take-off weight1 t
Characteristics Max Speed
(km/h at 3,000 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 358 347 9200 8.4 8.6 10.9 10.9 125
Upgraded 378 368 7.7 8.0 16.2 13.4

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X ✓ X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
560 560 N/A N/A 320 ~11 ~4
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 250 < 260 < 260 > 190
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
1,000 m 570 hp N/A

Survivability and armour

Crew1 person
Speed of destruction
Structural560 km/h
Gear560 km/h

The I-15 WR does not have significant armour protection. All the important modules are located in the front half of the fuselage, and the large fuel tank is not self-sealing. With all the important modules packed together, well aimed shots will have little trouble causing significant damage very quickly. As such, the I-15 WR must rely on other factors, such as manoeuvrability, in order to increase its survivability.

  • 8 mm Steel - Behind Pilot's Seat
  • Non-Self-Sealing Fuel Tanks

Modifications and economy

Repair cost
ABfree
RBfree
SBfree
Total cost of modifications2 450 Rp icon.png
109 Sl icon.png
Talisman cost190 Ge icon.png
Crew trainingfree
Experts1 000 Sl icon.png
Aces10 Ge icon.png
Research Aces80 000 Rp icon.png
Reward for battleAB / RB / SB
10 / 10 / 50 % Sl icon.png
100 / 100 / 100 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Mods radiator.png
Radiator
Research:
440 Rp icon.png
Cost:
19 Sl icon.png
35 Ge icon.png
Mods compressor.png
Compressor
Mods aerodinamic wing.png
Wings repair
Mods new engine.png
Engine
Research:
410 Rp icon.png
Cost:
18 Sl icon.png
30 Ge icon.png
Mods armor frame.png
Airframe
Mods armor cover.png
Cover
Mods ammo.png
shkas_belt_pack
Research:
440 Rp icon.png
Cost:
19 Sl icon.png
35 Ge icon.png
Mod arrow 0.png
Mods weapon.png
pv1_new_gun
Research:
750 Rp icon.png
Cost:
35 Sl icon.png
55 Ge icon.png
Mods pilon bomb.png
DZ-40
Research:
410 Rp icon.png
Cost:
18 Sl icon.png
30 Ge icon.png

Armaments

Offensive armament

Weapon 14 x 7.62 mm PV-1 machine gun
Ammunition3 200 rounds
Fire rate750 shots/min
Main article: PV-1 (7.62 mm)

The I-15 WR is armed with:

  • 4 x 7.62 mm PV-1 machine guns, nose-mounted (750 rpg = 3,000 total)

Available belts:

  • Default: T/Ball/AP-I/AI/AI/AI - 50% of the belt consist of incendiary bullets which deal more damage to the crew in a distance of 500 m and higher than other bullets. On the other hand, this belt has almost 33% bullets without any additional effect, so this belt can be found useful against fighters.
  • Universal: T/AP-I/AI/AI/API-T - The belt consists of the same amount of AI and AP bullets which makes it useful against all types of targets, and it still has one tracer bullet.
  • Tracers: API-T - The best against bombers as the whole belt consist of AP bullets, which deal most damage to the modules of aircraft and makes more damage to the crew at a distance lower than 500 m.
  • Stealth: AP-I/AP-I/AP-I/AI/AI - 60% of the belt consists of AP bullets. Recommended for unexpected attacks and it may help new players to get used to stealth ammunition. Quite universal, so can be used against all targets with the same efficiency.

Suspended armament

List of setups (1)
Setup 12 x 50 kg FAB-50sv (forged) bomb
Main article: FAB-50sv (50 kg)

The I-15 WR can be outfitted with the following ordnance:

  • Without load
  • 2 x 50 kg FAB-50 bombs (100 kg total)

Usage in battles

The I-15 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. Plus, it has an awful telescope-like gunsight, so when zoomed in the I-15's nimbleness is magnified, making the aim super wobbly. You cannot see anything around which greatly reduces your situational awareness.

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.

Note 2: in a turnfight you must get used to shooting without zooming in, as you really can't see anything with its awkward scope when zoomed it. However when tailing a straight-flying plane that scope doesn't seem that bad

Before engaging 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-15 is rather slow. Also pick your target carefully. For easier aiming, you want to go for those unmanoeuvrable twin engine aircraft like Ju 88 or Ki-45, or bombers if there are any. Given the bad forward visibility of the I-15, 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-15 is extremely sensitive, giving it good manoeuvrability, but at the same time, bad handling. The I-15 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-15 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.

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 poor as there are only light bombs. The small 50 kg bombs can be used on light pillboxes, or base bombing if you want, although the effect is almost non-existent. 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, N1K1, He 51, 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-15'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-15 in a level flight.

Manual Engine Control

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

Pros and cons

Pros:

  • Extreme turning abilities: one of the best turn-fighters in-game, able to turn tightly and continuously with other biplanes
  • Firepower is rich with 4 x 7.62 mm MG, moderate damage and plenty of ammo
  • Good rate of climb
  • Small silhouette meaning you are harder to hit
  • 2 x 50 kg bombs allow you to have some ground-pounding abilities in ground battles
  • Fixed gear is convenient for quick landings and takeoffs
  • Very short take off distance
  • Low stall speed, beginner friendly to land and manoeuvre
  • Open cockpit allows you to easily hear nearby aircraft in Simulator
  • Nose-mounted MGs means no need to worry about convergence distances

Cons:

  • Very slow speed: cannot keep up with early monoplane fighters (e.g. He 112) or even some bombers such as Do 17 E-1
  • Will quickly lose speed gathered in a dive
  • Average roll rate
  • Open cockpit can usually get the pilot sniped
  • Small 50 kg bombs require very accurate aiming
  • Telescopic gunsight offers very limiting field of view in Simulator
  • Big engine blocks the visibility over the nose, a disadvantage in a turnfight in Simulator
  • Side views are obstructed by the upper wings and supporting structures
  • Very wobbly with Simulator controls, making it hard to aim precisely
  • Vulnerable to heavy machine gun fire (e.g. .50 cal M2 Browning, 12.7 mm Breda-SAFAT)

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 long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).

Media

Skins

See also

Related development

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


Polikarpov Design Bureau (Опытное конструкторское бюро Поликарпова)
I-15  I-15 WR · I-15 M-22 · I-15 M-25 · I-15bis · Krasnolutsky's I-15bis
I-153  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-180  I-180S · I-185 (M-71) · I-185 (M-82)
ITP  ITP (M-1)
Twin-engine fighters  TIS MA
Bombers  Po-2 · Po-2M
Export  ␗I-15bis · ␗I-153 M-62 · ␗I-16 type 5 · ␗I-16 type 10 · ␗I-16 type 17 · ␗I-16 Chung 28

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

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