Difference between revisions of "A7M1 (NK9H)"
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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 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). --> | ||
| − | The | + | The A7M1 ''Reppu'' is a relatively heavy plane but still performs very similar to an [[A6M (Family)|A6M ''Zero'']] with the increased performance thanks to its high output engine. This engine however won't be the best outfitted on the A7M platform and a better can be found in the tech tree as the [[A7M2]] which boasts a Ha-43 engine with 200 hp extra. |
| − | The | + | The A7M1 that takes the best of the [[A6M (Family)|A6M]] and does it better also translates it in aerial combat. With its higher output, very similar maneuverability and higher rip-speeds, it can engage in all playstyles; whether the situation calls for it the A7M can either turn fight, Boom-&-Zoom, energy fight and others. Yet even with its NK9H engine, it is sometimes tricky to maintaining energy fights with enemies like the [[F6F-5]], [[P-51 (Family)|P-51]], etc. |
| − | + | The main focus of the A7M1 is a naval fighter, solidified by its only ordnance of 2 x 60 kg that only destroy vehicles at this rank with a direct hit. However, its strong armament of 13 mm and 20 mm machineguns makes it a hard-hitting fighter on most less-protected roof armors (<20 mm). | |
===Tactics=== | ===Tactics=== | ||
;;Low altitude fighting | ;;Low altitude fighting | ||
| − | This is where the | + | This is where the {{PAGENAME}} shines and players familiar with the [[A6M (Family)|A6M]] will feel right at home and. Newer players will become familiar with its playstyle quite easily due its better performance and more forgiving yet punchier gun-choice with plenty of ammo to spare. |
| − | + | Only couple of planes like Spitfires can be a challenging opponent at low altitudes, mainly because most planes will lose energy when fighting with the A7M1 at low altitudes when the A7M1 is able to outturn and be on their tail in couple seconds. The 13 mm and 20 mm armaments combined are very deadly and will tear down a plane in a good placed burst. Aim for center of mass when turn fighting, and tail when tailing, especially the elevators. | |
;;High altitude fighting | ;;High altitude fighting | ||
| − | Turn fighting at high altitude is rather difficult since, the higher you go, the less air pressure there is. | + | Turn fighting at high altitude is rather difficult since, the higher you go, the less air pressure there is. This means there will be less air to lift your plane when doing a hard turn compared to sea level, meaning the A7M1 will not be able to turn as fast as you do at sea level. This should be taken into consideration since most of the planes at high altitudes (4+ km) often have superchargers or turbochargers ([[Wyvern S4]] for example) and will make an easy prey out of you, as you do not maintain the same energy nor speed they maintain. |
;;Bomber Interception | ;;Bomber Interception | ||
| − | The drawbacks from high altitude does not stop the | + | The drawbacks from high altitude does not stop the A7M1 from fighting in the clouds. One of the easiest targets for the A7M1 are bombers. They are big, have big wingspans and are often slow (unless they are dive bombers or strike fighters). They can be easily destroyed with the 13 mm and 20 mm armaments due to their sheer caliber and destructive ammunition. When engaging a bomber, aim for the engines or wings. With the right belts equipped, a few well placed shots the bombers will catch fire or even shred the wings. |
| − | + | Be careful when engaging bigger preys as they might turn into a predator if handled wrongly. Hit fast and hard, put bullets into the cockpit or make short work of their wings. Do not tail it, most bombers will shred the '''A7M''' badly and a fire is most guaranteed, which the '''A7M''' won't last long through. | |
=== Manual Engine Control === | === Manual Engine Control === | ||
Revision as of 07:40, 12 November 2020
Contents
| This page is about the Japanese premium fighter A7M1 (NK9H). For the regular version, see A7M2. |
Description
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The A7M1 Reppu (NK9H) is a premium rank IV Japanese fighter
with a battle rating of 5.0 (AB/RB) and 4.7 (SB). It was introduced in Update 1.53 "Firestorm".
The A7M1 Reppu is the prototype version of the A7M2 in the tech tree fitted with a NK9H engine. In game this fighter is a jack of all trades - excellent energy retention, amazing turn rate, and acceptable speed. These traits make the Reppu an excellent weapon for players who enjoy being the tip of the spear.
General info
Flight Performance
| Characteristics | Max Speed (km/h at 6,900 m) |
Max altitude (meters) |
Turn time (seconds) |
Rate of climb (meters/second) |
Take-off run (meters) | |||
|---|---|---|---|---|---|---|---|---|
| AB | RB | AB | RB | AB | RB | |||
| Stock | 594 | 578 | 11000 | 15.7 | 16.2 | 13.6 | 13.6 | 250 |
| Upgraded | 639 | 617 | 14.8 | 15.0 | 21 | 16.9 | ||
Details
| Features | ||||
|---|---|---|---|---|
| Combat flaps | Take-off flaps | Landing flaps | Air brakes | Arrestor gear |
| ✓ | ✓ | ✓ | X | ✓ |
| Limits | ||||
|---|---|---|---|---|
| Wing-break speed (km/h) |
Gear limit (km/h) |
Combat flaps (km/h) |
Max Static G | |
| + | - | |||
| 826 | 310 | 510 | ~12 | ~10 |
| Optimal velocities | |||
|---|---|---|---|
| Ailerons (km/h) |
Rudder (km/h) |
Elevators (km/h) |
Radiator (km/h) |
| < 400 | < 380 | < 380 | > 317 |
| Compressor (RB/SB) | ||
|---|---|---|
| Setting 1 | ||
| Optimal altitude | 100% Engine power | WEP Engine power |
| 2,000 m | 1,875 hp | 2,089 hp |
| Setting 2 | ||
| Optimal altitude | 100% Engine power | WEP Engine power |
| 6,000 m | 1,675 hp | 1,866 hp |
Survivability and armour
- 13 mm steel plate behind seat, tilted 13°
- 70 mm bulletproof glass forward of seat, tilted 24°
- Self-sealing fuel tanks
Armaments
Offensive armament
The A7M1 (NK9H) is armed with:
- 2 x 20 mm Type 99 Model 2 navy cannons, wing-mounted (200 rpg = 400 total)
- 2 x 13.2 mm Type 3 navy machine guns, wing-mounted (300 rpg = 600 total)
Suspended armament
The A7M1 (NK9H) can be outfitted with the following ordnance:
- Without load
- 2 x 60 kg Navy Type 97 Number 6 bombs (120 kg total)
Usage in battles
The A7M1 Reppu is a relatively heavy plane but still performs very similar to an A6M Zero with the increased performance thanks to its high output engine. This engine however won't be the best outfitted on the A7M platform and a better can be found in the tech tree as the A7M2 which boasts a Ha-43 engine with 200 hp extra.
The A7M1 that takes the best of the A6M and does it better also translates it in aerial combat. With its higher output, very similar maneuverability and higher rip-speeds, it can engage in all playstyles; whether the situation calls for it the A7M can either turn fight, Boom-&-Zoom, energy fight and others. Yet even with its NK9H engine, it is sometimes tricky to maintaining energy fights with enemies like the F6F-5, P-51, etc.
The main focus of the A7M1 is a naval fighter, solidified by its only ordnance of 2 x 60 kg that only destroy vehicles at this rank with a direct hit. However, its strong armament of 13 mm and 20 mm machineguns makes it a hard-hitting fighter on most less-protected roof armors (<20 mm).
Tactics
- Low altitude fighting
This is where the A7M1 (NK9H) shines and players familiar with the A6M will feel right at home and. Newer players will become familiar with its playstyle quite easily due its better performance and more forgiving yet punchier gun-choice with plenty of ammo to spare.
Only couple of planes like Spitfires can be a challenging opponent at low altitudes, mainly because most planes will lose energy when fighting with the A7M1 at low altitudes when the A7M1 is able to outturn and be on their tail in couple seconds. The 13 mm and 20 mm armaments combined are very deadly and will tear down a plane in a good placed burst. Aim for center of mass when turn fighting, and tail when tailing, especially the elevators.
- High altitude fighting
Turn fighting at high altitude is rather difficult since, the higher you go, the less air pressure there is. This means there will be less air to lift your plane when doing a hard turn compared to sea level, meaning the A7M1 will not be able to turn as fast as you do at sea level. This should be taken into consideration since most of the planes at high altitudes (4+ km) often have superchargers or turbochargers (Wyvern S4 for example) and will make an easy prey out of you, as you do not maintain the same energy nor speed they maintain.
- Bomber Interception
The drawbacks from high altitude does not stop the A7M1 from fighting in the clouds. One of the easiest targets for the A7M1 are bombers. They are big, have big wingspans and are often slow (unless they are dive bombers or strike fighters). They can be easily destroyed with the 13 mm and 20 mm armaments due to their sheer caliber and destructive ammunition. When engaging a bomber, aim for the engines or wings. With the right belts equipped, a few well placed shots the bombers will catch fire or even shred the wings.
Be careful when engaging bigger preys as they might turn into a predator if handled wrongly. Hit fast and hard, put bullets into the cockpit or make short work of their wings. Do not tail it, most bombers will shred the A7M badly and a fire is most guaranteed, which the A7M won't last long through.
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 |
Modules
| Tier | Flight performance | Survivability | Weaponry | ||
|---|---|---|---|---|---|
| I | Fuselage repair | Radiator | Offensive 13 mm | ||
| II | Compressor | Airframe | New 13 mm MGs | 9 in (mod30) | |
| III | Wings repair | Engine | Offensive 20 mm | ||
| IV | Engine injection | Cover | New 20 mm cannons | ||
| This is a premium vehicle: all modifications are unlocked on purchase | |||||
Pros and cons
Pros:
- Excellent energy retention
- Exceptional maneuverability below 500km/h IAS
- Great armaments
Cons:
- Engine tends to overheat
- Slow compared to allied fighters
- Elevator lock up above 500+ km/h IAS
- Slow roll rate
- Cannons have low rate of fire
History
In late 1940, Just after the A6M started entering its production phase, the navy requested Mitsubishi to start development of a direct successor by 1941, but due engine choice for a high-output compact engine was scarce, and the development team having their hands filled with development of the A6M2 Mod.21 and developing the J2M made Mitsubishi decide to scrap the request.
By 1942 as development of the A6M3 Mod.32 and J2M2 Mod.11 have been finished, the navy once more ordered Mitsubishi and their team to design a direct successor which would be faster and as nimble as the Zero, but as before, engines which would suit the plane were still in development and the team had to design a plane while still having to wait on a viable engine.
As development of the A7M platform came to an end, the last set piece and main problem of the A7M development, being the engine led to the first prototype to make use of the Nakajima NK9 "Homare". This singular plane would be the first A7M and respectively would become the A7M1 and a trial flight would be performed on the 6th of May, 1944.
While the wingload was acceptable of 150 kg/m², maneuverability and handling were excellent but the engine was simply underpowered and couldn't meet the speed requirements the Navy were looking for and ended up in a disappointed cancel of the project.
But as Mitsubishi already got a greenlight to use Mitsubishi's home-made engine with the MK9 beforehand, the project sparked interest once more for the Navy with the A7M2.
Media
Excellent additions to the article would be video guides, screenshots from the game, and photos.
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
Paste links to sources and external resources, such as:
- topic on the official game forum;
- encyclopedia page on the aircraft;
- other literature.
| Mitsubishi Company (三菱商会) | |
|---|---|
| Fighters | A5M4 · Hagiri's A5M4 |
| A6M2 mod. 11 · A6M2 · A6M3 · A6M3 mod. 22 · A6M3 mod. 22Ko · A6M5 · A6M5 Ko · A6M5 otsu · A6M5 Hei · A6M6c | |
| A7M1 (NK9H) · A7M2 | |
| J2M2 · J2M3 · J2M4 Kai · J2M5 · J2M5 (30 mm) | |
| Hydroplanes | F1M2 |
| Interceptors | Ki-83 · Ki-109 |
| Bombers | G4M1 |
| Ki-21-Ia · Ki-21-I hei · Ki-67-I Ko · Ki-67-I otsu | |
| Jet Fighters | Ki-200 |
| Captured | ▃A6M2 · ␗A6M2 |
| See also | Mitsubishi Heavy Industries, Ltd. (Post-War) |
| Japan fighters | |
|---|---|
| Navy | |
| Carrier-based fighter | |
| A5M | A5M4 · Hagiri's A5M4 |
| A6M | A6M2 mod. 11 · A6M2 · A6M3 · A6M3 mod. 22 · A6M3 mod. 22Ko · A6M5 · A6M5 Ko · A6M5 otsu · A6M5 Hei · A6M6c |
| A7He | A7He1* |
| A7M | A7M1 (NK9H) · A7M2 |
| Land-based Fighter | |
| J2M | J2M2 · J2M3 · J2M4 Kai · J2M5 · J2M5 (30 mm) |
| J6K | J6K1 |
| J7W | J7W1 |
| N1K-J | N1K1-Ja · N1K2-J · N1K2-Ja |
| Fighter seaplane | |
| N1K | N1K1 |
| A6M-N | A6M2-N |
| Army | |
| Ki-10 | Ki-10-I · Ki-10-I C · Ki-10-II · Ki-10-II C |
| Ki-27 | Ki-27 otsu · Ki-27 otsu Tachiarai |
| Ki-43 | Ki-43-I · Ki-43-II · Ki-43-III otsu |
| Ki-44 | Ki-44-I · Ki-44-I 34 · Ki-44-II otsu · Ki-44-II hei |
| Ki-61 | Ki-61-I ko · Ki-61-I otsu · Ki-61-I hei · Tada's Ki-61-I hei · Ki-61-I tei · Ki-61-II Otsu Kai |
| Ki-84 | Ki-84 ko · Ki-84 otsu · Ki-84 hei |
| Ki-87 | Ki-87 |
| Ki-94 | Ki-94-II |
| Ki-100 | Ki-100 · Ki-100-II |
| Other countries | ▅F4U-1A · ▅P-51C-11-NT · ▅Bf 109 E-7 · ▅Fw 190 A-5 |
| *Imported designation of the He 112 (A6M was in development - A7M would take A7 designation after the cancelation of the A7He) | |
| Japan premium aircraft | |
|---|---|
| Fighters | Hagiri's A5M4 · A7He1 · Ki-27 otsu Tachiarai |
| Ki-44-II otsu · ▅Bf 109 E-7 · ▅F4U-1A · Ki-100-II · Ki-44-I 34 | |
| ▅Fw 190 A-5 · A7M1 (NK9H) · Tada's Ki-61-I hei · ▅P-51C-11-NT | |
| J2M4 Kai · A6M5 Ko · A6M6c · J2M5 · Ki-87 · J6K1 | |
| Twin-engine fighters | Ki-96 |
| Jet fighters | F-86F-40 JASDF▅ · T-2 Early · F-4EJ ADTW |
| Strike aircraft | ▄AV-8S |
| Bombers | Ki-21-I hei · Ki-48-II otsu · H8K3 · B7A2 (Homare 23) · ▅B-17E |
