Difference between revisions of "Yak-15P"
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== Description == | == Description == | ||
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| − | The | + | The Yak-15 was one of the firsts attempts by the Soviet Union to produce a jet engine fighter. Development started at the end of WWII, to reduce development time, it was decided to use the existing airframe of the Yak 3 piston fighter and adapt a reverse engineered German Junkers Jumo 004 engine. It was developed alongside the Mig-9 and it's still disputed to this day which of the two was the true first jet fighter of the USSR. Compared to it's previously mentioned competitor the Yak-15 was easier to fly thanks to be made over the basis of the Yak-3 and many pilots already knew how to fly that jet. A total of 280 units where built until 1947 and it was specially used to adapt old piston fighter pilots to fly jet engine fighters. |
| − | The Yak-15P | + | It was introduced in [[Update 1.31]]. The Yak-15P suffers from the poor engine in early jets. This, and the fact that it usually fights late prop fighters with very powerful piston engines makes this jet hard to master for noob pilots. However it still has the airframe of the Yak-3. This makes the Yak-15P a very nimble and agile fighter capable of pulling extreme manoeuvres and very tight turns. The most important obstacles to overcome are the low ammo pool (60 rounds) and the very weak engine with just 850Kgf when stock. To survive is important to climb and stay outside of fights without allied help, but in 1v1 situations the jet engine in the Yak-15P will make it loose less energy in turns compared to piston fighters, however regaining lost speed back is harder and takes more time, that's why having altitude that can easily be converted to energy is important |
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== General info == | == General info == | ||
=== Flight performance === | === Flight performance === | ||
{{Specs-Avia-Flight}} | {{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.'' -->The handling of the Yak-15P is uncomfortable in most situations. For a jet engine it has very poor top speed and the acceleration at all states can be considered inferior. With a poor climb rate and weak engine is easy to set yourself in hard situations. However the Yak-15P has a very nimble airframe and good agility in dogfights, and it's weak engine is enough to make him hold speed better than most props in a turn fight. |
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* [https://live.warthunder.com/feed/camouflages/?vehicle=yak-15_early Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.] | * [https://live.warthunder.com/feed/camouflages/?vehicle=yak-15_early 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;'' | * ''reference to the series of the aircraft;'' | ||
* ''links to approximate analogues of other nations and research trees.'' | * ''links to approximate analogues of other nations and research trees.'' | ||
Revision as of 21:03, 19 October 2023
| This page is about the Soviet jet fighter Yak-15P. For the early version, see Yak-15. |
Contents
Description
The Yak-15 was one of the firsts attempts by the Soviet Union to produce a jet engine fighter. Development started at the end of WWII, to reduce development time, it was decided to use the existing airframe of the Yak 3 piston fighter and adapt a reverse engineered German Junkers Jumo 004 engine. It was developed alongside the Mig-9 and it's still disputed to this day which of the two was the true first jet fighter of the USSR. Compared to it's previously mentioned competitor the Yak-15 was easier to fly thanks to be made over the basis of the Yak-3 and many pilots already knew how to fly that jet. A total of 280 units where built until 1947 and it was specially used to adapt old piston fighter pilots to fly jet engine fighters.
It was introduced in Update 1.31. The Yak-15P suffers from the poor engine in early jets. This, and the fact that it usually fights late prop fighters with very powerful piston engines makes this jet hard to master for noob pilots. However it still has the airframe of the Yak-3. This makes the Yak-15P a very nimble and agile fighter capable of pulling extreme manoeuvres and very tight turns. The most important obstacles to overcome are the low ammo pool (60 rounds) and the very weak engine with just 850Kgf when stock. To survive is important to climb and stay outside of fights without allied help, but in 1v1 situations the jet engine in the Yak-15P will make it loose less energy in turns compared to piston fighters, however regaining lost speed back is harder and takes more time, that's why having altitude that can easily be converted to energy is important
General info
Flight performance
The handling of the Yak-15P is uncomfortable in most situations. For a jet engine it has very poor top speed and the acceleration at all states can be considered inferior. With a poor climb rate and weak engine is easy to set yourself in hard situations. However the Yak-15P has a very nimble airframe and good agility in dogfights, and it's weak engine is enough to make him hold speed better than most props in a turn fight.
| Characteristics | Max Speed (km/h at 4,000 m) |
Max altitude (metres) |
Turn time (seconds) |
Rate of climb (metres/second) |
Take-off run (metres) | |||
|---|---|---|---|---|---|---|---|---|
| AB | RB | AB | RB | AB | RB | |||
| Stock | 719 | 699 | 13250 | 19.1 | 20.1 | 19.7 | 19.2 | 366 |
| Upgraded | 792 | 755 | 18.3 | 18.5 | 26.5 | 23.0 | ||
Details
| Features | |||||
|---|---|---|---|---|---|
| Combat flaps | Take-off flaps | Landing flaps | Air brakes | Arrestor gear | Drogue chute |
| X | X | ✓ | X | X | X |
| Limits | ||||||
|---|---|---|---|---|---|---|
| Wings (km/h) | Gear (km/h) | Flaps (km/h) | Max Static G | |||
| Combat | Take-off | Landing | + | - | ||
| 750 | 450 | N/A | N/A | 320 | ~12 | ~9 |
| Optimal velocities (km/h) | |||
|---|---|---|---|
| Ailerons | Rudder | Elevators | Radiator |
| < 380 | < 420 | < 500 | N/A |
Engine performance
| Engine | Aircraft mass | ||||||
|---|---|---|---|---|---|---|---|
| Engine name | Number | Basic mass | Wing loading (full fuel) | ||||
| Klimov RD-10 | 1 | 2,120 kg | 183 kg/m2 | ||||
| Engine characteristics | Mass with fuel (no weapons load) | Max Gross Weight | |||||
| Weight (each) | Type | 9m fuel | 20m fuel | 30m fuel | 32m fuel | ||
| 760 kg | Axial-flow turbojet | 2,296 kg | 2,484 kg | 2,667 kg | 2,708 kg | 2,714 kg | |
| Maximum engine thrust @ 0 m (RB/SB) | Thrust to weight ratio @ 0 m (100%) | ||||||
| Condition | 100% | WEP | 9m fuel | 20m fuel | 30m fuel | 32m fuel | MGW |
| Stationary | 910 kgf | N/A | 0.40 | 0.37 | 0.34 | 0.34 | 0.34 |
| Optimal | 910 kgf (0 km/h) |
N/A | 0.40 | 0.37 | 0.34 | 0.34 | 0.34 |
Survivability and armour
- 8.5 mm Steel - armour plate behind the pilot seat
Modifications and economy
| Flight performance | Survivability | Weaponry | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
Obtaining the "Offensive 23 mm" modification is the best choice as it allows for more flexibility in armament. Next, try to obtain the "compressor" and "engine" upgrades as they both increase engine thrust which is essential in escaping from a dogfight turned sour. Finally, obtain the rest of the performance upgrades as they will all collectively increase top speed, turn time, and rate of climb.
Armaments
Offensive armament
The Yak-15P is armed with:
- 1 x 23 mm NS-23K cannon, nose-mounted (60 rpg)
Usage in battles
In Realistic battles, climbing with this aircraft at the start of a match is not always the best course of action, considering how poor the Yak-15P's rate of climb is. Instead of the traditional and slow angled climb, the Yak-15P is best used in a "zoom climb" where once enough energy has been built up at a low altitude the Yak-15P pilot will pitch up, thus gaining altitude quickly. This way, if attacked during the first few minutes of the match, the Yak-15P still wields some energy whereas had the Yak-15P been slowly climbing, it would have had to face another aircraft's guns. To shake an enemy, especially a prop driven enemy, dive low to the ground to ensure your assailant's speed only decreases. This dive is called a "speed trap" and is effective when followed by either a "hammerhead" attack or a continuation of the escape. This tactic of utilising the Yak-15P's ability to hold on to energy in a straight line is negated when facing other jet aircraft who wield the same ability; however, this is where the Yak-15P's dogfighting abilities come into play. Because it is so similar to the Yak-3, the Yak-15P retains some of its manoeuvrability characteristics, namely its turn time. This facet often proves an indispensable one as other first-generation jets will not be able to maintain a tight enough turn circle.
However, the Yak-15P is severely hampered in its damage output due to its reliance on a single 23 mm NS-23K cannon, with 60 shells total. Expending this pool in seconds is possible. The Yak-15P shares this downfall with aircraft like the Ki-200, and the Me 163. Firing in small, accurate bursts negates this and is the most efficient way of destroying enemies. The 23 mm shells these cannons fire are extremely deadly when they hit and often rip enemies apart.
To use the guns most effectively, be close to your target. The reason for this is twofold: First, the limited ammo means you want your shots to count. Being close to your target will give your cannons the highest chance of hitting. The second reason is that of the ballistics of the 23 mm shells - their muzzle velocity is not very high, meaning you have to lead your targets by quite a bit. If you are closer to your mark, you won't have to lead them by quite as much, although still more than most other cannons.
With some practice, it is possible to consistently get about two fighter kills with one load of ammunition in realistic battles. Using the Air Targets belt is the most effective. However, attacking bombers is best left to other planes with more firepower, since the Yak-15P does not have the firepower or ammunition to kill heavy bombers without sustaining massive damage reliably. Heavy fighters such as the F7F-1 may also take longer to destroy than other opponents.
In Arcade battles, the Yak-15P is capable of breaking up a "furball" due to its impressive turn time. The turn time coupled with its hard-hitting cannon makes any Yak-15P pilot an indispensable asset to any Arcade team.
Pros and cons
Pros:
- Excellent turn time
- Good armament
- Outstanding roll rate
- Fairly responsive at higher speeds
- Great visibility in cockpit, good for spotting
Cons:
- Slow for a jet fighter
- Extremely low ammunition count
- Poor rate of climb
- Poor acceleration
- Lacks bulletproof glass
- Inability to carry suspended armament
- Low wing rip speed for a jet fighter
History
| Archive of the in-game description | |
|---|---|
|
An all-metal, single-seat fighter equipped with a turbojet engine. Its development started at the end of World War II, when the Soviet Union captured numerous German components, including Junkers Jumo-004 jet engines. This engine was studied in the USSR, and the Klimov OKB created a domestic counterpart under the designation RD-10. In turn, the Yakovlev OKB used the design to produce a jet fighter based on the latest version of the well-liked Yak-3. The designers decided in favor of the pod-and-boom layout. A turbojet engine with 900 kg thrust was mounted instead of the old VK-107A piston engine. The engine was inclined so that the jet stream exited underneath the fuselage and wing. The rest of the airframe was left almost unchanged, except for an additional heat shield, made of refractory steel, located in the exhaust section. The aircraft's armament included two Nudelman-Suranov NS-23KM cannons with 60 rounds each. The cannons were housed in the forward fuselage above the engine. The new Yakovlev fighter was originally called the Yak-Jumo but later obtained the designation Yak-15. The first flight of the Yak-15 was on April 24, 1946, and the plane was launched into full-scale production in the autumn of the same year. Production Yak-15 planes had a different engine, the RD-10, manufactured in the USSR. The service life of the earliest engines was officially claimed to be 25 hours, but in reality it was 17 hours at best. Nevertheless, the Yak-15 was very easy to pilot, and its steering was similar to that of the Yak-3, which had been the basis of its development. As a result, it was decided that although the Yak-15 did not meet the requirements of the Air Force for a modern combat fighter, it was perfectly suitable as a transition from prop to jet aircraft. In addition to its engine's limited service life, the Yak-15 had a number of distinctive disadvantages. The most commonly encountered defects during its operation included hydraulic fluid leaks (through the sealing rings of the landing gear shock struts), the rupturing of rudder control cable threads, and the deterioration of tail wheel springs (probably caused by overheating). But the Yak-15's main disadvantage was its very short flight range. Nevertheless, the significance of the Yak-15 in the history of Soviet aviation should not be underestimated. Hundreds of pilots underwent training on planes of this type, and it was the Yak-15 that became the first Soviet jet aircraft officially accepted for service in the Air Force as well as the first jet fighter that enabled military pilots to master advanced aerobatics. Production of the Yak-15 was discontinued in 1947. In all, 280 planes were constructed. | |
Media
- Skins
See also
Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:
- reference to the series of the aircraft;
- links to approximate analogues of other nations and research trees.
External links
| A.S. Yakovlev Design Bureau (Яковлев Опытное конструкторское бюро) | |
|---|---|
| Fighters | |
| Yak-1 | Yak-1 · Yak-1B |
| Yak-3 | Yak-3 · Yak-3 (VK-107) · Yak-3P · Yak-3T · Yak-3U |
| Yak-7 | Yak-7B |
| Yak-9 | Yak-9 · Yak-9B · Yak-9K · Golovachev's Yak-9M · Yak-9P · Yak-9T · Yak-9U · Yak-9UT |
| Twin-engine fighters | I-29 |
| Jet fighters | |
| Yak-15 | Yak-15P · Yak-15 |
| Yak-17 | Yak-17 |
| Yak-23 | Yak-23 |
| Yak-30 | Yak-30D |
| Yak-141 | Yak-141 |
| Strike aircraft | |
| Yak-2 | Yak-2 KABB |
| Yak-38 | Yak-38 · Yak-38M |
| Bombers | Yak-4 |
| Jet bombers | Yak-28B |
| Foreign use | ▄Yak-3 · Challe's ▄Yak-9T · ◔Yak-9P |
| Captured | ▀Yak-1B |
| USSR jet aircraft | |
|---|---|
| Bereznyak-Isayev | BI |
| Yakovlev | Yak-15 · Yak-15P · Yak-17 · Yak-23 · Yak-28B · Yak-30D · Yak-38 · Yak-38M · Yak-141 |
| Mikoyan-Gurevich | MiG-9 · MiG-9 (l) · MiG-15 · MiG-15bis · MiG-15bis ISH · MiG-17 · MiG-17AS · MiG-19PT |
| MiG-21F-13 · MiG-21PFM · MiG-21S (R-13-300) · MiG-21SMT · MiG-21bis | |
| MiG-23M · MiG-23ML · MiG-23MLD · MiG-27M · MiG-27K | |
| MiG-29 · MiG-29SMT | |
| Lavochkin | La-174 · La-15 · La-200 |
| Sukhoi | Su-9 · Su-11 |
| Su-7B · Su-7BKL · Su-7BMK · Su-17M2 · Su-17M4 · Su-22M3 | |
| Su-25 · Su-25BM · Su-25K · Su-25T · Su-25SM3 · Su-39 | |
| Su-27 | |
| Ilyushin | IL-28 · IL-28Sh |
| Tupolev | Tu-14T |
