Difference between revisions of "B6N2a Model 12Ko"

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* [https://forum.warthunder.com/index.php?/topic/488114-b6n2/ Official data sheet - more details about the performance]
* ''encyclopedia page on the aircraft;''
 
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{{AirManufacturer Nakajima}}
 
{{AirManufacturer Nakajima}}
 
{{Japan bombers}}
 
{{Japan bombers}}

Revision as of 12:29, 23 January 2021

VTOL | Rank 5 USSR
Yak-38 Pack
This page is about the Japanese bomber B6N2a Model 12Ko. For other versions, see B6N (Family).
B6N2a Model 12Ko
b6n2a.png
GarageImage B6N2a Model 12Ko.jpg
B6N2a Model 12Ko
Research:11 000 Specs-Card-Exp.png
Purchase:38 000 Specs-Card-Lion.png
Show in game

Description

The B6N2a Model 12Ko is a rank II Japanese bomber with a battle rating of 2.0 (AB) and 2.3 (RB/SB). It was introduced in Update "Starfighters".

The Allied reporting name for this aircraft was "Jill".

It is the sucsessor to the B5N, and if you liked the B5N2, you will LOVE the B6N! Simply put, the B6N is a faster, more well defended B5N, and it will prove useful in a combat situation.

The B6N2a Model 12 Ko "Tenzan" in flight

General info

Flight performance

Arrestor gear
Accelerates braking by grabbing the brake cable on the deck of the aircraft carrier
Max speed
at 4 900 m481 km/h
Turn time21 s
Max altitude9 600 m
EngineMitsubishi Kasei 25
TypeRadial
Cooling systemAir
Take-off weight6 t

The B6N2a Model 12 Ko "Tenzan" is a high performance torpedo bomber, capable of not only ground attack but naval attack, and can successfully outmanoeuvre anything it wishes (excluding biplanes). It has a powerful 1,600 hp engine and a supercharger for high altitude base bombing, and it is a highly capable aircraft.

Characteristics Max Speed
(km/h at 4,900 m)
Max altitude
(metres)
Turn time
(seconds)
Rate of climb
(metres/second)
Take-off run
(metres)
AB RB AB RB AB RB
Stock 454 441 9600 21.6 22.3 7.9 7.9 270
Upgraded 512 481 20.8 21.0 16.2 11.5

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
650 310 380 380 280 ~11 ~3
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 300 < 300 < 310 > 300
Cockpit of the B6N2a Model 12Ko

Survivability and armour

Crew3 people
Speed of destruction
Structural650 km/h
Gear310 km/h
The B6N2a Tenzan fires its lower turret at an approaching enemy fighter
  • No armour
  • Non-self-sealing fuel tanks (3 in each wing)

Modifications and economy

Repair costBasic → Reference
AB1 400 → 1 772 Sl icon.png
RB2 800 → 3 544 Sl icon.png
SB3 400 → 4 304 Sl icon.png
Total cost of modifications10 360 Rp icon.png
23 600 Sl icon.png
Talisman cost750 Ge icon.png
Crew training11 000 Sl icon.png
Experts38 000 Sl icon.png
Aces250 Ge icon.png
Research Aces220 000 Rp icon.png
Reward for battleAB / RB / SB
70 / 270 / 220 % Sl icon.png
124 / 124 / 124 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mods radiator.png
Radiator
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mods compressor.png
Compressor
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
650 Rp icon.png
Cost:
1 500 Sl icon.png
120 Ge icon.png
Mods new engine.png
Engine
Research:
650 Rp icon.png
Cost:
1 500 Sl icon.png
120 Ge icon.png
Mods metanol.png
Engine injection
Research:
840 Rp icon.png
Cost:
1 900 Sl icon.png
160 Ge icon.png
Mods armor frame.png
Airframe
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mods armor cover.png
Cover
Research:
840 Rp icon.png
Cost:
1 900 Sl icon.png
160 Ge icon.png
Mods ammo.png
mg_turret_belt_pack
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mod arrow 1.png
Mods pilon torpedo.png
17 3/4 in (mod45)
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mod arrow 0.png
Mods ammo.png
type2_turret_belt_pack
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mod arrow 1.png
Mods pilon torpedo.png
Improved torpedo
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mod arrow 0.png
Mods turret gun.png
mg15_turret_new_gun
Research:
650 Rp icon.png
Cost:
1 500 Sl icon.png
120 Ge icon.png
Mods pilon bomb.png
12 in (mod30)
Research:
650 Rp icon.png
Cost:
1 500 Sl icon.png
120 Ge icon.png
Mod arrow 0.png
Mods turret gun.png
type2_turret_new_gun
Research:
840 Rp icon.png
Cost:
1 900 Sl icon.png
160 Ge icon.png
Mods pilon bomb.png
14 in (mod35)
Research:
840 Rp icon.png
Cost:
1 900 Sl icon.png
160 Ge icon.png

Go for all of the bomb loads first, as they are very important, next, research suitability and engine mods, prioritize the Engine. Then unlock the turret and belts, finally, unlock wings repair and wings repair.

Armaments

Suspended armament

Number of setups5
List of setups
Setup 16 x 60 kg Navy Type 97 Number 6 ground bomb
Setup 22 x 250 kg Navy Type Number 25 Model 2 bomb
Setup 31 x 800 kg Navy Type Number 80 Model 1 bomb
Setup 41 x Type 91 Model 2 torpedo (835 kg)
Setup 51 x Type 91 Model 3 torpedo (850 kg)

The B6N2a Model 12Ko can be outfitted with the following ordnance:

  • 6 x 60 kg Navy Type 97 Number 6 bombs (360 kg total)
  • 2 x 250 kg Navy Type Number 25 Model 2 bombs (500 kg total)
  • 1 x 800 kg Navy Type Number 80 Model 1 bomb (800 kg total)
  • 1 x 835 kg Type 91 Model 2 torpedo
  • 1 x 850 kg Type 91 Model 3 torpedo

The 800 kg bomb will destroy 1 base, it's a good pick for maps with few ground targets! The 250 kg bombs are great for destroying pillboxes and tanks, but you can only have two of them. Make sure to use a slight dive when bombing and use the bombsight for increased accuracy! The 6 x 60 kg bombs are a great option for this plane. Since they weigh so little, you can be super accurate with these bombs, just aim the crosshair where you want the bomb to drop, and pull up. No need for a bomb sight!!! Use these bombs for light targets such as AAA, Vehicles, Armoured Cars, Artillery, Howitzers, Machine Guns, and Bridges. The torpedoes are not really useful for this plane in air battles, as ships only spawn in pacific maps, and this plane is at too low of a BR to be put in a Pacific Theater battle.

Defensive armament

Turret13 mm Type 2 machine gun
Ammunition750 rounds
Fire rate937 shots/min
Turret7.92 mm Type 1 machine gun
Ammunition300 rounds
Fire rate1050 shots/min

The B6N2a Model 12Ko is defended by:

  • 1 x 13 mm Type 2 machine gun, turret (750 rpg)
  • 1 x 7.92 mm Type 1 machine gun, turret (300 rpg)
A Peashooter tries to tackle the B6N2a Ko

For the 13 mm machine gun, select "Default" belt because it has the most incendiary potential. It's a great turret for its BR. The 7.92 mm gun is a great gun, use the AP-T belt, as it has the most tracers and the most incendiary potential.

Usage in battles

This plane is great for bombing medium tanks, light pillboxes, howitzers, and vehicles. Since it is so fast, it can make multiple trips to the airfield if a resupply of bombs is needed.

For naval maps and naval gamemode it's best advised to bring the torpedo and hit ships in a quick, close, hit and run style torpedo run, the engine allows for high speeds and Japanese torpedoes are among the highest speed resistant torpedoes in-game at the cost of range of only 2 km. It is also a possibility of squading up with friends / other torpedo carrying planes to dispose of the enemy carriers / battleships in a multiple hit torpedo strike.

With the improved back gunner, experienced pilots can shred foes by baiting them in a dogfight, out-turning them and hitting them hard with the powerful 13 mm.

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:

  • B6N for Carrier-based torpedo bomber
  • Common Navy plane construction:
    • Excellent manoeuvrability
  • B6N Specific:
    • Great engine power, produces 1550 hp
    • High top speed for a torpedo bomber (481 km/h)
    • Ventral gunner
  • Model 12 Specific:
    • Better performing engine compared to Model 11
      • Higher top speed
      • Higher altitude
  • Model 12 Ko Specific:

Cons:

  • B6N for Carrier-based torpedo bomber
    • No offensive armament
    • No airbrakes
    • Relatively Large target
  • Common Navy plane construction:
    • Fragile, little armour, and no self-sealing fuel tanks
    • Exposed tail gunner
  • B6N Specific:
    • Dead zones directly behind the aircraft, you are better off turn fighting and using your turrets while they struggle to complete the turn

History

Main article: History of the B6N

An excellent replacement for the Nakajima B5N in the role of on-board torpedo aircraft, the B6N Tenzan entered service very late, after more than two years of testing. Named JILL in the Allied code, this large single-engine plane appeared as a prototype in spring 1941. The first tests revealed serious steering stability problems. Subsequently, there were difficulties in developing the engine and the need to reinforce the landing gear. After 133 units of the first version of the B6N1 were built, the second production model began to be delivered towards the end of 1943. A total of 1,268 units were built.

The B6N2 is the main production model of the B6N series thanks to a more readily available Mitsubishi Kansei engine, instead of a in-house Nakajima Mamori engine trialed on the B6N1.

The B6N2 has seen alot of use in the southern pacific land bases and few remaining carrier groups. Due to lack of experienced pilots and growing allied air power, the B6N couldn't accomplish the same / better feats the B5N has done in its prior years of the war and damage to the enemy fleet were low and overall performance was average.

The B6N2a Model 12Ko is a armament refit of the B6N2 Model 12 where a 7.7 mm Navy Type 92 was replaced with a 13 mm Navy Type 2.

Media

See also

Related Development
Main article: B6N (Family)
Similar aircraft of comparable role, configuration and era
Main article: Torpedo bombers

External links


Nakajima Aircraft Company (中島飛行機株式会社 )
Fighters  Ki-27 otsu · Ki-27 otsu Tachiarai
  Ki-43-I · Ki-43-II · Ki-43-III otsu
  Ki-44-I · Ki-44-I 34 · Ki-44-II otsu · Ki-44-II hei
  Ki-84 ko · Ki-84 otsu · Ki-84 hei
  Ki-87
Hydroplanes  A6M2-N*
Interceptors  J1N1 · J5N1
Bombers  B5N2
  B6N1 Model 11 · B6N2 Model 12 · B6N2a Model 12Ko
  G5N1 · G8N1
  Ki-49-I · Ki-49-IIa · Ki-49-IIb · Ki-49-IIb/L
Jet Fighters  Kikka
Captured  ␗Ki-27 otsu · ▃Ki-43-II · ␗Ki-43-III ko · ␗Ki-44-II hei · ␗Ki-84 ko
  *Refit of the Mitsubishi A6M2 mod. 11
See also  Fuji Heavy Industries (1957-2017)

Japan bombers
Navy 
Carrier-based dive bomber 
D3A  D3A1
D4Y  D4Y1 · D4Y2 · D4Y3 Ko
Carrier-based attack bomber 
B5N  B5N2
B6N  B6N1 Model 11 · B6N2 Model 12 · B6N2a Model 12Ko
B7A  B7A2
Land-based Bomber 
P1Y  P1Y1 mod. 11
Land-based Attack bomber 
G4M  G4M1
G5N  G5N1
G8N  G8N1
Flying boat 
H6K  H6K4
H8K  H8K2 · H8K3
Shipboard Observation seaplane 
F1M  F1M2
Army 
Light  Ki-32
Medium  Ki-21-Ia · Ki-21-I hei
  Ki-49-I · Ki-49-IIa · Ki-49-IIb · Ki-49-IIb/L
  Ki-67-I Ko · Ki-67-I otsu
Other countries  ▅B-17E