Difference between revisions of "I-185 (M-71)"

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{{Specs-Card|code=i_185_m71_standard}}
 
 
{{About
 
{{About
−
| about = Russian fighter '''{{PAGENAME}}'''
+
| about = Soviet fighter '''{{PAGENAME}}'''
−
| usage = other uses
+
| usage = the other version
 
| link = I-185 (M-82)
 
| link = I-185 (M-82)
 +
}}
 +
{{Specs-Card
 +
|code=i_185_m71_standard
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
 
}}
 
}}
  
 
== 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 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.'' -->
−
[[File:GarageImage_I-185M-71.jpg|420px|thumb|left|The '''{{PAGENAME}}''' outside the hangar.]]
+
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Soviet fighter {{Battle-rating}}. It was introduced in [[Update 1.41]].
−
{{break}}
 
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Russian fighter {{Battle-rating}}. This aircraft was introduced in [[Update 1.41]].  
 
  
−
The I-185 (M-71) is a all-metal monoplane with a Shvetsov M-71 engine. It is fitted with 3 x 20 mm [[ShVAK (20 mm)|ShVAK]] cannons mounted in the nose. The port cannon has 140 rounds, the starboard cannon 170 rounds, and the top one 250 rounds. The I-185's fuel tanks are self-sealing and located in the fuselage and in the wings.  
+
The I-185 (M-71) is a monoplane with a Shvetsov M-71 engine, the plane is fitted with 3 x [[ShVAK (20 mm)|20 mm ShVAK]] cannons mounted at the fuselage of the I-185. The left cannon has 140 rounds, right cannon 170 rounds, and the top cannon 250 rounds. The fuel tanks of the I-185 are self-sealing and located in the fuselage and in the wings.
  
−
The I-185 (M-71) is a dedicated Boom & Zoom fighter and needs to always keep its energy levels
+
The I-185 (M-71) is a dedicated Boom & Zoom fighter for its battle rating and needs to always keep its energy levels at a good level to hunt down players.
−
high to hunt down other players.
 
  
 
== General info ==
 
== General info ==
−
=== Flight Performance ===
+
=== Flight performance ===
−
<!--''Describe how the aircraft behaves in the air. Maximum speed, maneuverability, speed and allowable loads - these are the most important characteristics of the vehicle.''-->
+
{{Specs-Avia-Flight}}
−
{| class="wikitable" style="text-align:center"
+
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
−
|-
+
The I-185 (M-71) inherits the characteristics of its predecessor while improving on its flight characteristics, due to its more powerful Shvetsov M-71 engine. The aircraft has a more powerful main engine, giving it a noticeably faster climb rate than its predecessor. The climb rate is very impressive for its tier, allowing the I-185 to reach higher altitudes in a very short timespan. However, similar to other Soviet propeller planes, the I-185's engine rapidly loses performance above 4 km in altitude, which prevents the aircraft from flying effectively at higher altitudes.
−
! colspan="8" | Characteristics
+
 
−
|-
+
The I-185's manoeuvrability is relatively good, and is very similar to that of the German [[Fw 190 (Family)|Fw 190]]. It has a great roll rate, but a lacklustre turn rate that is uncompetitive with aircraft it frequently faces at its BR. The aircraft does have a sturdy airframe (with a wing-break speed of ~800 km/h IAS) meaning that the aircraft can survive dives much better than aircraft of the [[La-5 (Family)|Lavochkin tree]]. Finally, it is worth noting that the aircraft features automatic slats, which can improve low-speed manoeuvrability.
−
! colspan="8" | ''Stock''
+
 
−
|-
+
{| class="wikitable" style="text-align:center" width="70%"
 +
! rowspan="2" | Characteristics
 
! colspan="2" | Max Speed<br>(km/h at 6,100 m)
 
! colspan="2" | Max Speed<br>(km/h at 6,100 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
 
−
! RB
 
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
−
|-
 
−
| 647 || 631 || 10,045 || 22.6 || 23.2 || 13.5 || 13.5 || 358
 
 
|-
 
|-
−
! colspan="8" | ''Upgraded''
+
! AB !! RB !! AB !! RB !! AB !! RB
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 6,400 m)
+
! Stock
−
! rowspan="2" |Max altitude (meters)
+
| 649 || 629 || rowspan="2" | {{Specs|ceiling}} || 22.3 || 23.2 || 13.7 || 13.7 || rowspan="2" | 358
−
! colspan="2" | Turn time (seconds)
 
−
! colspan="2" | Rate of climb<br>(meters/second)
 
−
! rowspan="2" |Take-off run (meters)
 
 
|-
 
|-
−
! AB
+
! Upgraded
−
! RB
+
| 720 || 680 || 20.1 || 21.0 || 25.4 || 18.5
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
−
|-
 
−
| ? || 680 || 10,045 || ??.? || ??.? || ?.? || 25 || 358
 
 
|-
 
|-
 
|}
 
|}
  
−
====Details====
+
==== Details ====
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="5" | Features
 
! colspan="5" | Features
 
|-
 
|-
−
! Combat flap
+
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
−
! Take-off flap
 
−
! Landing flap
 
−
! Air brakes
 
−
! Arrestor gear
 
 
|-
 
|-
 
| ✓ || ✓ || ✓ || 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 flap<br> (km/h)
+
! colspan="3" | Flaps (km/h)
 
! colspan="2" | Max Static G
 
! colspan="2" | Max Static G
 
|-
 
|-
−
! +
+
! Combat !! Take-off !! Landing !! + !! -
−
! -
 
 
|-
 
|-
−
| 800 || 350 || 360 || ~23 || ~11
+
| 800 <!-- {{Specs|destruction|body}} --> || {{Specs|destruction|gear}} || 380 || 354 || 280 || ~14 || ~7
 
|-
 
|-
 
|}
 
|}
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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)
 
−
! Rudder<br>(km/h)
 
−
! Elevators<br>(km/h)
 
−
! Radiator<br>(km/h)
 
−
|-
 
−
| < 440 || < 520 || < 520 || > 270
 
−
|-
 
−
|}
 
−
 
 
−
{| class="wikitable" style="text-align:center"
 
−
|-
 
−
! colspan="3" | Compressor (RB/SB)
 
−
|-
 
−
! colspan="3" | Setting 1
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| 0,500 m || 1,800 hp || 2,030 hp
 
−
|-
 
−
! colspan="3" | Setting 2
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| 3,500 m || 1,540 hp || 2,000 hp
 
 
|-
 
|-
−
<!--! colspan="3" | Setting 3
+
! Ailerons !! Rudder !! Elevators !! Radiator
 
|-
 
|-
−
! Optimal altitude
+
| < 400 || < 250 || < 500 || > 400
−
! 100% Engine power
 
−
! WEP Engine power
 
 
|-
 
|-
−
| ?,??? m || ?,??? hp || ?,??? hp
 
−
|- -->
 
 
|}
 
|}
  
 
=== Survivability and armour ===
 
=== Survivability and 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. Describe the armour, if there is any, also mention the vulnerability of other critical aircraft systems.''-->
+
{{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.'' -->
  
 
* 8 mm Steel - armour plating behind pilot's seat
 
* 8 mm Steel - armour plating behind pilot's seat
Line 141: Line 87:
 
* Critical components located in front of aircraft, centralized in the fuselage (fuel, pilot, engine, controls, guns)
 
* Critical components located in front of aircraft, centralized in the fuselage (fuel, pilot, engine, controls, guns)
 
* More fuel tanks located in wings near the fuselage
 
* More fuel tanks located in wings near the fuselage
 +
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
 +
 +
Radiator, Compressor, Offensive 20 mm, Engine Repair, Engine Injection, New 20 mm Cannons, Wings Repair, Survivability Modifications, Fuselage Repair, and only lastly the ordnance. (Note that Airframe might have to be researched after the Compressor in order to unlock the Tier 3 modifications)
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Offensive armament ===
 
=== Offensive armament ===
−
<!--''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.''-->
+
{{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.'' -->
 
{{main|ShVAK (20 mm)}}
 
{{main|ShVAK (20 mm)}}
  
 
The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
−
* 1 x 20 mm ShVAK cannon, top nose mount (250 rpg)
+
* 3 x 20 mm ShVAK cannons, nose-mounted (250 rpg top + 140 rpg left + 170 rpg right = 560 total)
−
* 1 x 20 mm ShVAK cannon, right side nose mount (170 rpg)
 
−
* 1 x 20 mm ShVAK cannon, left side nose mount (140 rpg)
 
  
 
=== Suspended armament ===
 
=== Suspended armament ===
−
<!--''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.''-->
+
{{Specs-Avia-Suspended}}
−
{{main|FAB-100 (100 kg)|FAB-250M43 (250 kg)|RS-82|RBS-82}}
+
<!-- ''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-50sv (50 kg)|FAB-100sv (100 kg)|FAB-250sv (250 kg)|ROS-82|RBS-82}}
  
−
The '''''{{PAGENAME}}''''' can be outfitted with the following ordinance:
+
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
  
 
* Without load
 
* Without load
−
* 2 x 100 kg FAB-100 bombs (200 kg total)
+
* 4 x 50 kg FAB-50sv bombs (200 kg total)
−
* 4 x 100 kg FAB-100 bombs (400 kg total)
+
* 2 x 100 kg FAB-100sv bombs (200 kg total)
−
* 2 x 250 kg FAB-250M43 bombs (500 kg total)
+
* 4 x 100 kg FAB-100sv bombs (400 kg total)
−
* 8 x 82 mm RS-82 rockets
+
* 2 x 250 kg FAB-250sv bombs (500 kg total)
−
* 8 x 82 mm RBS-82 rockets
+
* 8 x ROS-82 rockets
−
<!--
+
* 8 x RBS-82 rockets
−
=== Defensive armament ===
+
 
−
''Defensive armament with turret machine guns or cannons, crewed by gunners. Examine the number of gunners and what belts or drums are better to use. If defensive weaponry is not available remove this subsection.''
+
== Usage in battles ==
−
-->
+
<!-- ''Describe the tactics of playing in the aircraft, the features of using aircraft in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
 +
The I-185 (M-71) can be thought of as a Russian [[Fw 190 (Family)|Fw 190]], and has very similar performance to its German counterpart. The aircraft should be used as a Boom & Zoom aircraft, and can perform this role very well due to its good high-speed performance. At the start of a match, utilize the I-185's impressive climb rate to quickly get to its ceiling of ~4,000-5000 m in altitude. However, it is typically not advised to climb to higher altitudes, as the aircraft's engine will practically suffocate above this altitude.
 +
 
 +
At this altitude, the aircraft can be used for B & Z similar to the Fw 190. Note that the aircraft's lower operating altitude may leave enemies above you - thus, it is crucial to pay attention your surroundings. Do not engage in a turnfight - the I-185's poor turn performance means that it can be outturned by practically every aircraft it faces, save for some variants of the Fw 190, P-47 and most twin-engine fighters. Aircraft such as the Spitfire will turn circles around you, and easily rip your airframe to shreds.
  
−
== Usage in the battles ==
+
If being pursued by enemy aircraft, the best option for the I-185 is to dive away. Utilize the aircraft's good acceleration and high maximum speed to dive away from enemy aircraft as fast as possible. However, some aircraft such as the American [[P-51 (Family)|P-51]] and [[P-47 (Family)|P-47]] can easily catch up to the I-185 in dives. Against such aircraft, the best way to defend is to utilize the aircraft's great roll rate. Force the attacker into manoeuvres such as the Rolling Scissors, so that you can utilize your superior roll rate to potentially pull a reversal on them.
−
<!--''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).''-->
 
  
−
===Manual Engine Control===
+
Finally, the I-185 (M-71) could potentially be used in a CAS role (either in Air or mixed battles), due to its surprisingly-plentiful ordnance options. However, be aware that the aircraft is very vulnerable in this role, and can easily be shot down by pursuing fighters. The 2 x 250 kg loadout is effective against most hard targets (such as tanks and pillboxes), but severely impacts performance. The aircraft's rockets are also effective, especially in mixed battles where they can penetrate the sides / back of most tanks at its BR.
 +
 
 +
=== Manual Engine Control ===
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
 
! colspan="7" | MEC elements
 
! colspan="7" | MEC elements
 
|-
 
|-
−
! rowspan="2" |Mixer
+
! rowspan="2" | Mixer
−
! rowspan="2" |Pitch
+
! rowspan="2" | Pitch
−
! colspan="3" |Radiator
+
! colspan="3" | Radiator
−
! rowspan="2" |Supercharger
+
! rowspan="2" | Supercharger
−
! rowspan="2" |Turbocharger
+
! rowspan="2" | Turbocharger
 
|-
 
|-
−
! Oil
+
! Oil !! Water !! Type
−
! Water
 
−
! Type  
 
 
|-
 
|-
−
| Controllable || rowspan="2" | Not controllable || rowspan="2" | Not controllable || rowspan="2" | Not controllable || rowspan="2" | Separate || rowspan="2" | Not controllable || rowspan="2" | Not controllable
+
| Controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Controllable<br>2 gears || Not controllable
 
|-
 
|-
 
|}
 
|}
−
 
−
===Modules===
 
−
{| class="wikitable"
 
−
! colspan="1" | Tier
 
−
! colspan="2" | Flight performance
 
−
! colspan="1" | Survivability
 
−
! colspan="2" | Weaponry
 
−
|-
 
−
| I
 
−
| Fuselage Repair
 
−
| Radiator
 
−
|
 
−
| DZ-40
 
−
|
 
−
|-
 
−
| II
 
−
|
 
−
| Compressor
 
−
| Airframe
 
−
| DER-25
 
−
|
 
−
|-
 
−
| III
 
−
| Wings Repair
 
−
| Engine
 
−
|
 
−
| RO-82
 
−
| Offensive 20 mm
 
−
|-
 
−
| IV
 
−
|
 
−
| Engine Injection
 
−
| Cover
 
−
|
 
−
| New 20 mm Cannons
 
−
|-
 
−
|}
 
−
 
−
*Radiator, Compressor, Offensive 20 mm, Engine Repair, Engine Injection, New 20 mm Cannons, Wings Repair, Survivability Modifications, Fuselage Repair, and only lastly the ordinance. (Note that Airframe might have to be researched after the Compressor in order to unlock the Tier 3 modifications)
 
  
 
=== 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. Do not use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they have a substitution in the form of softer "inadequate", "effective".''-->
+
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
  
 
'''Pros:'''
 
'''Pros:'''
  
−
* Once engine injection upgrade has been purchased, the plane has a brutal climb rate (close to 28 m/s)
+
* Once engine injection upgrade has been purchased, the plane has a brutal climb rate
−
* 3 x 20 mm nose-mounted cannons have decent amounts of ammo (for Soviet standards) and have workable damage output (note that all the cannons have different ammo counts)
+
* 3 x 20 mm nose-mounted cannons have a decent amount of ammo and have workable damage output (note that all the cannons have different ammo counts)
 
* Great roll rate, comparable to that of Fw-190s
 
* Great roll rate, comparable to that of Fw-190s
 
* Surprisingly manoeuvrable at higher speeds
 
* Surprisingly manoeuvrable at higher speeds
−
* Able to safely dive up to 799 km/h IAS
+
* Able to safely dive up to 800 km/h IAS
 
* The ramming effect of the air at higher speeds significantly help with the engine performance when above the critical altitude of the supercharger gears
 
* The ramming effect of the air at higher speeds significantly help with the engine performance when above the critical altitude of the supercharger gears
 
* Has good ordnance options, making the aircraft viable for CAS in Ground RB
 
* Has good ordnance options, making the aircraft viable for CAS in Ground RB
Line 246: Line 161:
 
'''Cons:'''
 
'''Cons:'''
  
−
* '''Not a turn fighter''', having terrible turn against most opponents
+
* Terrible turn rate against most opponents
−
* Top speed is nothing special when compared to most USA aircraft, but is still better than most Spitfires and most Japanese aircraft
+
* Top speed is nothing special when compared to most US aircraft, but is still better than most Spitfires and most Japanese aircraft
 
* Combat flaps break when above 380 km/h IAS
 
* Combat flaps break when above 380 km/h IAS
−
* First supercharger gear is just for show, losing engine performance after 500 to 800 meters altitude! (And being replaced by 2nd gear at 2,000 meters)
+
* First supercharger gear is just for show, losing engine performance after 500 to 800 m altitude (and being replaced by 2nd gear at 2,000 m)
−
* The first supercharger gear is ineffective to the point of the aircraft using the second supercharger gear when parked with the throttle at idle  (of course in Automatic Engine Control)
+
* The first supercharger gear is ineffective to the point of the aircraft using the second supercharger gear when parked with the throttle at idle  (in Automatic Engine Control)
 
* Second supercharger gear only lasts up to about 3.5 km altitude
 
* Second supercharger gear only lasts up to about 3.5 km altitude
−
* MASSIVE loss of engine performance after 4 km altitude
+
* Massive engine overheating, some times even at only 100% throttle
 +
* Massive loss of engine performance after 4 km altitude
 
* Performance is only "workable" under ~5 km altitude
 
* Performance is only "workable" under ~5 km altitude
  
 
== 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 "/ historical reference" (example: https://wiki.warthunder.com/Name-vehicles/historical reference) and add a link to it here using the <code>main</code> template. Be sure to include links to sources at the end of the article.''
+
<!-- ''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).'' -->
  
−
=== In-game description ===
+
{{break}}
−
 
+
{{Navigation-Start|{{Annotation|Archive of the in-game description|An archive of the historical description of the vehicle that was presented in-game prior to Update 1.55 'Royal Armour'}}|expand=true}}
−
"Following combat test results, production began on a new I-185 prototype in Novosibirsk, which, during its evacuation, was home to the N.N. Polikarpov design bureau and experimental plant. This prototype was intended to be a standard for series production. The designer corrected several flaws from the previous models in this aircraft, which is sometimes called the I-186, and combined its triple-cannon armament with the M-71 engine. The I-185/M-71 Series Standard took its maiden flight on 10 June 1942.
+
{{Navigation-First-Simple-Line}}
 +
Following combat test results, production began on a new I-185 prototype in Novosibirsk, which, during its evacuation, was home to the N.N. Polikarpov design bureau and experimental plant. This prototype was intended to be a standard for series production. The designer corrected several flaws from the previous models in this aircraft, which is sometimes called the I-186, and combined its triple-cannon armament with the M-71 engine. The I-185/M-71 Series Standard took its maiden flight on 10 June 1942.
  
 
The plane was powered by the 18-cylinder twin-row air-cooled Shvetsov M-71 radial engine with a rated output of 1,625 hp (maximum power in emergency mode – 2,000 hp). It had the three-blade variable-pitch AV-5-119 metal propeller. It used 2B-78, 3B-74 and B-95 aviation fuel with an octane rating of no less than 90.
 
The plane was powered by the 18-cylinder twin-row air-cooled Shvetsov M-71 radial engine with a rated output of 1,625 hp (maximum power in emergency mode – 2,000 hp). It had the three-blade variable-pitch AV-5-119 metal propeller. It used 2B-78, 3B-74 and B-95 aviation fuel with an octane rating of no less than 90.
Line 269: Line 186:
  
 
The plane could carry up to 500 kg of bombs of various types (FAB-250, FAB-100, FAB-50, FAB-25) on four bomb racks mounted under the wing panels.
 
The plane could carry up to 500 kg of bombs of various types (FAB-250, FAB-100, FAB-50, FAB-25) on four bomb racks mounted under the wing panels.
 +
 
As expected, the new I-185 possessed even better characteristics. In plant tests, it reached a speed of 680 km/h, but the new engine continued to fail.
 
As expected, the new I-185 possessed even better characteristics. In plant tests, it reached a speed of 680 km/h, but the new engine continued to fail.
  
 
Only one I-185/M-71 Series Standard was built. The airplane was not put into service.
 
Only one I-185/M-71 Series Standard was built. The airplane was not put into service.
  
−
N.N Polikarpov received a 1st degree Stalin Prize for creating the I-185/M-71 Series Standard in 1943."
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N.N Polikarpov received a 1st degree Stalin Prize for creating the I-185/M-71 Series Standard in 1943.
 +
{{Navigation-End}}
  
 
== Media ==
 
== Media ==
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== Read also ==
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* [https://live.warthunder.com/feed/camouflages/?vehicle=i_185_m71_standard Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
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;Videos
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{{Youtube-gallery|9hnuIyIPWMk|'''Drawing A Victory - 1.89 {{PAGENAME}} 7 kill "Carry" Gameplay''' - ''DEFYN''|PUw2CQ8e0lE|'''Best Combo #1'''  discusses the {{PAGENAME}} at 4:49  - ''War Thunder Official Channel''|HOE3YaXW2mI|'''Sub's Choice Ep 27: {{PAGENAME}} [Lethal Weapon]'''  - ''Jengar''}}
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== See also ==
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<!-- ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
* ''reference to the series of the aircraft;''
 
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== Sources ==
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;Aircraft of a similar role, configuration or era
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''Paste links to sources and external resources, such as:''
 
  
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== External links ==
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* [https://forum.warthunder.com/index.php?/topic/231007-i-185-m71-flying-tips/ <nowiki>[Forum]</nowiki> I-185 (M-71) flying tips (RB)]
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* [[wikipedia:Polikarpov_I-185|[Wikipedia] Polikarpov I-185]]
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* [https://www.airvectors.net/avpkpv.html#m5 <nowiki>[Air Vectors]</nowiki> Polikarpov Fighters - I-180/I-185]
  
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{{AirManufacturer Polikarpov}}
 
{{USSR fighters}}
 
{{USSR fighters}}

Latest revision as of 07:30, 1 September 2024

Rank VI | Premium | Golden Eagles
Chinese A-5C Pack
This page is about the Soviet fighter I-185 (M-71). For the other version, see I-185 (M-82).
I-185 (M-71)
i_185_m71_standard.png
GarageImage I-185 (M-71).jpg
ArtImage I-185 (M-71).png
I-185 (M-71)
USSR flag.png USSR
III Rank
Battle rating:
AB RB SB
4.3 4.3 4.3
Class:
Research:26 000 Specs-Card-Exp.png
Purchase:76 000 Specs-Card-Lion.png
Show in game

Description

The I-185 (M-71) is a rank III Soviet fighter with a battle rating of 4.3 (AB/RB/SB). It was introduced in Update 1.41.

The I-185 (M-71) is a monoplane with a Shvetsov M-71 engine, the plane is fitted with 3 x 20 mm ShVAK cannons mounted at the fuselage of the I-185. The left cannon has 140 rounds, right cannon 170 rounds, and the top cannon 250 rounds. The fuel tanks of the I-185 are self-sealing and located in the fuselage and in the wings.

The I-185 (M-71) is a dedicated Boom & Zoom fighter for its battle rating and needs to always keep its energy levels at a good level to hunt down players.

General info

Flight performance

Max speed
at 6 100 m680 km/h
Turn time21 s
Max altitude10 450 m
EngineShvetsov M-71
TypeRadial
Cooling systemAir
Take-off weight4 t

The I-185 (M-71) inherits the characteristics of its predecessor while improving on its flight characteristics, due to its more powerful Shvetsov M-71 engine. The aircraft has a more powerful main engine, giving it a noticeably faster climb rate than its predecessor. The climb rate is very impressive for its tier, allowing the I-185 to reach higher altitudes in a very short timespan. However, similar to other Soviet propeller planes, the I-185's engine rapidly loses performance above 4 km in altitude, which prevents the aircraft from flying effectively at higher altitudes.

The I-185's manoeuvrability is relatively good, and is very similar to that of the German Fw 190. It has a great roll rate, but a lacklustre turn rate that is uncompetitive with aircraft it frequently faces at its BR. The aircraft does have a sturdy airframe (with a wing-break speed of ~800 km/h IAS) meaning that the aircraft can survive dives much better than aircraft of the Lavochkin tree. Finally, it is worth noting that the aircraft features automatic slats, which can improve low-speed manoeuvrability.

Characteristics Max Speed
(km/h at 6,100 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 649 629 10450 22.3 23.2 13.7 13.7 358
Upgraded 720 680 20.1 21.0 25.4 18.5

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
✓ ✓ ✓ X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
800 320 380 354 280 ~14 ~7
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 400 < 250 < 500 > 400

Survivability and armour

Crew1 person
Speed of destruction
Structural0 km/h
Gear320 km/h
  • 8 mm Steel - armour plating behind pilot's seat
  • No armoured glass
  • Critical components located in front of aircraft, centralized in the fuselage (fuel, pilot, engine, controls, guns)
  • More fuel tanks located in wings near the fuselage

Modifications and economy

Repair costBasic → Reference
AB1 006 → 1 263 Sl icon.png
RB2 308 → 2 898 Sl icon.png
SB3 481 → 4 372 Sl icon.png
Total cost of modifications24 900 Rp icon.png
45 300 Sl icon.png
Talisman cost1 100 Ge icon.png
Crew training22 000 Sl icon.png
Experts76 000 Sl icon.png
Aces500 Ge icon.png
Research Aces320 000 Rp icon.png
Reward for battleAB / RB / SB
60 / 150 / 310 % Sl icon.png
142 / 142 / 142 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
1 700 Rp icon.png
Cost:
3 100 Sl icon.png
150 Ge icon.png
Mods radiator.png
Radiator
Research:
1 700 Rp icon.png
Cost:
3 100 Sl icon.png
150 Ge icon.png
Mods armor frame.png
Airframe
Research:
1 900 Rp icon.png
Cost:
3 500 Sl icon.png
165 Ge icon.png
Mods compressor.png
Compressor
Research:
1 900 Rp icon.png
Cost:
3 500 Sl icon.png
165 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
1 500 Rp icon.png
Cost:
2 700 Sl icon.png
130 Ge icon.png
Mods new engine.png
Engine
Research:
1 500 Rp icon.png
Cost:
2 700 Sl icon.png
130 Ge icon.png
Mods armor cover.png
Cover
Research:
2 700 Rp icon.png
Cost:
4 900 Sl icon.png
240 Ge icon.png
Mods metanol.png
Engine injection
Research:
2 700 Rp icon.png
Cost:
4 900 Sl icon.png
240 Ge icon.png
Mods pilon bomb.png
DZ-40
Research:
1 700 Rp icon.png
Cost:
3 100 Sl icon.png
150 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
Der-25
Research:
1 900 Rp icon.png
Cost:
3 500 Sl icon.png
165 Ge icon.png
Mod arrow 0.png
Mods pilon rocket.png
RO-82
Research:
1 500 Rp icon.png
Cost:
2 700 Sl icon.png
130 Ge icon.png
Mods ammo.png
shvak_belt_pack
Research:
1 500 Rp icon.png
Cost:
2 700 Sl icon.png
130 Ge icon.png
Mod arrow 0.png
Mods weapon.png
shvak_new_gun
Research:
2 700 Rp icon.png
Cost:
4 900 Sl icon.png
240 Ge icon.png

Radiator, Compressor, Offensive 20 mm, Engine Repair, Engine Injection, New 20 mm Cannons, Wings Repair, Survivability Modifications, Fuselage Repair, and only lastly the ordnance. (Note that Airframe might have to be researched after the Compressor in order to unlock the Tier 3 modifications)

Armaments

Offensive armament

Main article: ShVAK (20 mm)

The I-185 (M-71) is armed with:

  • 3 x 20 mm ShVAK cannons, nose-mounted (250 rpg top + 140 rpg left + 170 rpg right = 560 total)

Suspended armament

Main articles: FAB-50sv (50 kg), FAB-100sv (100 kg), FAB-250sv (250 kg), ROS-82, RBS-82

The I-185 (M-71) can be outfitted with the following ordnance:

  • Without load
  • 4 x 50 kg FAB-50sv bombs (200 kg total)
  • 2 x 100 kg FAB-100sv bombs (200 kg total)
  • 4 x 100 kg FAB-100sv bombs (400 kg total)
  • 2 x 250 kg FAB-250sv bombs (500 kg total)
  • 8 x ROS-82 rockets
  • 8 x RBS-82 rockets

Usage in battles

The I-185 (M-71) can be thought of as a Russian Fw 190, and has very similar performance to its German counterpart. The aircraft should be used as a Boom & Zoom aircraft, and can perform this role very well due to its good high-speed performance. At the start of a match, utilize the I-185's impressive climb rate to quickly get to its ceiling of ~4,000-5000 m in altitude. However, it is typically not advised to climb to higher altitudes, as the aircraft's engine will practically suffocate above this altitude.

At this altitude, the aircraft can be used for B & Z similar to the Fw 190. Note that the aircraft's lower operating altitude may leave enemies above you - thus, it is crucial to pay attention your surroundings. Do not engage in a turnfight - the I-185's poor turn performance means that it can be outturned by practically every aircraft it faces, save for some variants of the Fw 190, P-47 and most twin-engine fighters. Aircraft such as the Spitfire will turn circles around you, and easily rip your airframe to shreds.

If being pursued by enemy aircraft, the best option for the I-185 is to dive away. Utilize the aircraft's good acceleration and high maximum speed to dive away from enemy aircraft as fast as possible. However, some aircraft such as the American P-51 and P-47 can easily catch up to the I-185 in dives. Against such aircraft, the best way to defend is to utilize the aircraft's great roll rate. Force the attacker into manoeuvres such as the Rolling Scissors, so that you can utilize your superior roll rate to potentially pull a reversal on them.

Finally, the I-185 (M-71) could potentially be used in a CAS role (either in Air or mixed battles), due to its surprisingly-plentiful ordnance options. However, be aware that the aircraft is very vulnerable in this role, and can easily be shot down by pursuing fighters. The 2 x 250 kg loadout is effective against most hard targets (such as tanks and pillboxes), but severely impacts performance. The aircraft's rockets are also effective, especially in mixed battles where they can penetrate the sides / back of most tanks at its BR.

Manual Engine Control

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

Pros and cons

Pros:

  • Once engine injection upgrade has been purchased, the plane has a brutal climb rate
  • 3 x 20 mm nose-mounted cannons have a decent amount of ammo and have workable damage output (note that all the cannons have different ammo counts)
  • Great roll rate, comparable to that of Fw-190s
  • Surprisingly manoeuvrable at higher speeds
  • Able to safely dive up to 800 km/h IAS
  • The ramming effect of the air at higher speeds significantly help with the engine performance when above the critical altitude of the supercharger gears
  • Has good ordnance options, making the aircraft viable for CAS in Ground RB

Cons:

  • Terrible turn rate against most opponents
  • Top speed is nothing special when compared to most US aircraft, but is still better than most Spitfires and most Japanese aircraft
  • Combat flaps break when above 380 km/h IAS
  • First supercharger gear is just for show, losing engine performance after 500 to 800 m altitude (and being replaced by 2nd gear at 2,000 m)
  • The first supercharger gear is ineffective to the point of the aircraft using the second supercharger gear when parked with the throttle at idle (in Automatic Engine Control)
  • Second supercharger gear only lasts up to about 3.5 km altitude
  • Massive engine overheating, some times even at only 100% throttle
  • Massive loss of engine performance after 4 km altitude
  • Performance is only "workable" under ~5 km altitude

History


Archive of the in-game description

Following combat test results, production began on a new I-185 prototype in Novosibirsk, which, during its evacuation, was home to the N.N. Polikarpov design bureau and experimental plant. This prototype was intended to be a standard for series production. The designer corrected several flaws from the previous models in this aircraft, which is sometimes called the I-186, and combined its triple-cannon armament with the M-71 engine. The I-185/M-71 Series Standard took its maiden flight on 10 June 1942.

The plane was powered by the 18-cylinder twin-row air-cooled Shvetsov M-71 radial engine with a rated output of 1,625 hp (maximum power in emergency mode – 2,000 hp). It had the three-blade variable-pitch AV-5-119 metal propeller. It used 2B-78, 3B-74 and B-95 aviation fuel with an octane rating of no less than 90.

The M-71 engine hood's shape was altered and the plane's airframe made more aerodynamic.

The I-185/M-71 Series Standard possessed three 20 mm synchronized Shpitalny-Vladimirov ShVAK cannons with 500-600 shells overall (tests were conducted with various amounts of ammunition). The central cannon had 250 shells, the left 140 shells, and the right 170 shells.

The plane could carry up to 500 kg of bombs of various types (FAB-250, FAB-100, FAB-50, FAB-25) on four bomb racks mounted under the wing panels.

As expected, the new I-185 possessed even better characteristics. In plant tests, it reached a speed of 680 km/h, but the new engine continued to fail.

Only one I-185/M-71 Series Standard was built. The airplane was not put into service.

N.N Polikarpov received a 1st degree Stalin Prize for creating the I-185/M-71 Series Standard in 1943.


Media

Skins
Videos
Drawing A Victory - 1.89 I-185 (M-71) 7 kill "Carry" Gameplay - DEFYN
Best Combo #1 discusses the I-185 (M-71) at 4:49 - War Thunder Official Channel
Sub's Choice Ep 27: I-185 (M-71) [Lethal Weapon] - Jengar

See also

Aircraft of a similar role, configuration or era

External links


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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