Difference between revisions of "Yak-3U"

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The Yak-3U also referred to as Yak 3U/Ash-82FN, it was developed by Yakovlev design bureau and powered by the almighty Ash-82FN engine which was one of the best in world at that time manufactured by '''factory No. 478''', provided 1850 BHP. This same engine would be used on other aircraft too.  
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The Yak-3U is based on the PFC2 variant, with some modifications. A Yak-3U is also referred as Yak 3U/Ash-82FN.
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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 world at that time. Crated by and manufactured by '''factory No. 478''', provided 1850 BHP. This is the same engine as used on other legendary Russian fighter and attacker aircraft, such as the [[Tu-2_(Family)|Tu-2's]], La-5_(Family)|La-5's]] & [[La-7_(Family)|La-7's]].
  
The Yak-3U/Ash-82FN, Armament consisted of two synchronised 20 mm B-20B cannons, with 120 Rounds each, giving it 240 rounds in total.  
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The engine was designed in the Soviet Union (Russia) by '''Design Bureau No. 19''' it was a technological innovation based on it's 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 KPH (438 MPH) over it's western counterpart Wright R-1820 which only provided 1600 BHP.
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The Ash-82FN allowed the Yak-3U, to hit 5 KM in 3 minutes.  
  
The engine was designed in the Soviet Union (Russia) by '''Design Bureau No. 19''' it was an technological innovation based on it's 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 KPH (438 MPH) over it's western counterpart Wright R-1820 which only provided 1600 BHP.    
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The main differences are:   
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Revision as of 22:30, 12 September 2020

RANK 6 USA
"APACHE" | AH-64A Peten
Yak-3U
yak-3u.png
AB
RB
SB
General characteristics
Brief
Detailed
6.0/5.3/5.7BR
Class
1 personCrew
3.1 tTake-off weight
2.40 kg/sBurst mass
Flight characteristics
10 500 mCeiling
Shvetsov M-82FNEngine
RadialType
airCooling system
Speed of destruction
700 km/hStructural
320 km/hGear
Offensive armament
2 x 20 mm B-20S cannonWeapon 1
240 roundsAmmunition
750 shots/minFire rate
Economy
71 000 Rp icon.pngResearch
260 000 Sl icon.pngPurchase
Sl icon.png10 000 / 12 550/9 900 / 12 424/2 660 / 3 338Repair
74 000 Sl icon.pngCrew training
260 000 Sl icon.pngExperts
1 200 Ge icon.pngAces
178 % Rp icon.pngReward for battle
370 % Sl icon.png400 % Sl icon.png120 % Sl icon.png
This page is about the Russian fighter Yak-3U. For other versions, see Yak-3 (Family).

Description

GarageImage Yak-3U.jpg


The Yak-3U is a rank IV Russian fighter with a battle rating of 5.7 (AB), 5.3 (RB), and 6.0 (SB). It was introduced in Update 1.89 "Imperial Navy".

General info

Flight performance

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.

Characteristics
Stock
Max Speed
(km/h at 6,000 m)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
668 649 10 500 18.2 19.4 21.6 21.6 360
Upgraded
Max Speed
(km/h at 6,000 m)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
729 695 10 500 17.2 18.0 32 26.5 360

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X X X
Limits
Wing-break speed
(km/h)
Gear limit
(km/h)
Combat flaps
(km/h)
Max Static G
+ -
700 320  410 ~11 ~8
Optimal velocities
Ailerons
(km/h)
Rudder
(km/h)
Elevators
(km/h)
Radiator
(km/h)
< 380 < 420 < 490 > 341
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
1,550 m 1,630 hp 1,920 hp
Setting 2
Optimal altitude 100% Engine power WEP Engine power
4,550 m 1,430 hp N/A

Survivability and armour

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

Armaments

Offensive armament

Main article: B-20S (20 mm)

The Yak-3U 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 Russian 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 manoeuvrable opponents, which include the P51 line.

The main drawback of the 3U is its poor armament. 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. 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 Russian 20 mm's 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 Armored-Target 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.

Manual Engine Control

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

Modules

Tier Flight performance Survivability Weaponry
I Fuselage repair Radiator Offensive 20 mm
II Compressor Airframe
III Wings repair Engine New 20 mm cannons
IV Engine injection Cover

Pros and cons

Pros:

  • Very fast for a propeller-driven aircraft, able to out-run the P51 D-5 at low altitude
  • Amazing maneuverability that can compete with almost every aircraft at the tier
  • Solid climb rate
  • Fast firing and accurate cannons concentrated in the nose that are devastating in short, well-placed bursts at close range
  • High dive speed for a Russian prop
  • Great acceleration

Cons:

  • Airframe is quite weak
  • Susceptible to fires
  • Twin cannon setup provides poor ballistics for its tier
  • Despite the high speed for a Russian prop, it's still not enough to keep up with some enemies in a dive, primarily due to wing ripping at lower speeds than those of a diving P51 or Corsair.
  • No bulletproof glass in the front of the plane, so hard to use against planes with defensive turrets
  • Very limited ammunition load combined with the fast fire rate makes a trigger happy player run out of ammo very quickly
  • No Combat Flaps option, just like all Yak propeller fighters

History

The last piston-engined fighter to be produced by Yakovlev was the Yak-3U. Retaining the light alloy stressed-skin metal wing and tail surfaces of the second-generation Yak-3, it mated these elements with an entirely new fuselage and an ASh-82FN 14-cylinder two-row radial engine rated at 1,850 hp. The engine was extremely close cowled, careful attention was given to the hermetic sealing of the fuselage. Armament consisted of twin synchronized 20 mm B-20 cannons

The Yak-3 was considered to be the best low altitude (below 13,000 feet) fighter of WWII and could easily out climb, outrun and out turn its two major adversaries, the Bf 109 and Fw 190. With its 20 mm cannon it also could destroy any of the German tanks of that era. The Yak-3U replaced the V-12 engine of the earlier Yak-3s with a 1,850 HP radial along with many other changes. The Yak-3U first flew in May 1945, but with the end of the war and development of jet-powered aircraft, it was not put into production.


Media

See also

External links


A.S. Yakovlev Design Bureau (Яковлев Опытное конструкторское бюро)
Attackers  Yak-2 KABB
Yak-1  Yak-1 · Yak-1B
Yak-2  I-29
Yak-3  Yak-3 · Yak-3P · Yak-3T · Yak-3U · Yak-3 (VK-107)
Yak-7  Yak-7B
Yak-9  Yak-9 · Yak-9B · Yak-9K · Golovachev's Yak-9M · Yak-9P · Yak-9T · Yak-9U · Yak-9UT
Bombers  Yak-4
Jet Fighters  Yak-15P · Yak-15 · Yak-17 · Yak-23 · Yak-30
Foreign Use  ▄Yak-3 · Challe's ▄Yak-9T
Captured  ▀Yak-1B

USSR fighters
I-15  I-15 WR · I-15 M-22 · I-15R · 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-180S
I-185  I-185 (M-71) · I-185 (M-82)
I-225  I-225
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 · 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