B6N2 Model 12

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This page is about the Japanese bomber B6N2 Model 12. For other versions, see B6N (Family).
b6n2.png
GarageImage B6N2 Model 12.jpg
ArtImage B6N2 Model 12.png
B6N2 Model 12
Research:7 900 Specs-Card-Exp.png
Purchase:10 000 Specs-Card-Lion.png
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Description

The B6N2 Model 12, designated as Tenzan Mod.12 (天山一二型), was a minor upgrade of the Tenzan 11 that resulted from a change in the engine policy of the Japanese Ministry of Munitions. The ministry decided to reduce the number of different engines used in planes and asked the Navy to standardize the engines used in its aircraft. Nakajima had to replace the Mamoru 11 engine with the 1,850 hp (1,380 kW) Mitsubishi MK4T Kasei 25 engine, which was the Navy's original choice for the B6N1 airframe. The switch of engines required small modifications to the aircraft: the nose was lengthened to balance the weight distribution, the oil cooler and air intakes were adjusted to fit the new engine cowling, and a smaller four-bladed propeller with a shorter spinner was installed to reduce weight. The retractable tailwheel was also fixed in place to simplify the design. Moreover, the single exhaust stacks on each side of the cowling were replaced with multiple smaller ones to reduce night glare and provide a slight thrust boost. The Tenzan 12 became the most produced variant of the series due to the availability of its engine.

It was introduced in Update "Starfighters". Only enjoying a slight performance increase over the earlier B6N1, the B6N2 plays exactly the same, with great manoeuvrability, the same ordnance, and the same mediocre rear defensive armament. The oddity of the single offensive 7.7 mm doesn't return and leaves the B6N2 unfavourable to utilize against other planes unlike its predecessor B6N1 or its uparmed variant B6N2a.

Nicknames

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
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 + -
650 310 368 354 280 ~11 ~3
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 300 < 300 < 310 > 300

Survivability and armour

Crew3 people
Speed of destruction
Structural650 km/h
Gear310 km/h
  • No armour
  • Non-self sealing fuel tanks (3 in each wing)

Modifications and economy

Repair costBasic → Reference
AB492 → 615 Sl icon.png
RB817 → 1 022 Sl icon.png
SB1 211 → 1 514 Sl icon.png
Total cost of modifications6 920 Rp icon.png
6 750 Sl icon.png
Talisman cost530 Ge icon.png
Crew training3 000 Sl icon.png
Experts10 000 Sl icon.png
Aces125 Ge icon.png
Research Aces160 000 Rp icon.png
Reward for battleAB / RB / SB
40 / 80 / 150 % Sl icon.png
112 / 112 / 112 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
460 Rp icon.png
Cost:
450 Sl icon.png
85 Ge icon.png
Mods radiator.png
Radiator
Research:
460 Rp icon.png
Cost:
450 Sl icon.png
85 Ge icon.png
Mods compressor.png
Compressor
Research:
390 Rp icon.png
Cost:
380 Sl icon.png
75 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
580 Rp icon.png
Cost:
560 Sl icon.png
110 Ge icon.png
Mods new engine.png
Engine
Research:
580 Rp icon.png
Cost:
560 Sl icon.png
110 Ge icon.png
Mods metanol.png
Engine injection
Research:
560 Rp icon.png
Cost:
550 Sl icon.png
105 Ge icon.png
Mods armor frame.png
Airframe
Research:
390 Rp icon.png
Cost:
380 Sl icon.png
75 Ge icon.png
Mods armor cover.png
Cover
Research:
560 Rp icon.png
Cost:
550 Sl icon.png
105 Ge icon.png
Mods pilon torpedo.png
17 3/4 in (mod45)
Research:
460 Rp icon.png
Cost:
450 Sl icon.png
85 Ge icon.png
Mod arrow 0.png
Mods ammo.png
type92_turret_belt_pack
Research:
390 Rp icon.png
Cost:
380 Sl icon.png
75 Ge icon.png
Mod arrow 1.png
Mods pilon torpedo.png
Improved torpedo
Research:
390 Rp icon.png
Cost:
380 Sl icon.png
75 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
12 in (mod30)
Research:
580 Rp icon.png
Cost:
560 Sl icon.png
110 Ge icon.png
Mod arrow 0.png
Mods turret gun.png
type92_turret_new_gun
Research:
560 Rp icon.png
Cost:
550 Sl icon.png
105 Ge icon.png
Mods pilon bomb.png
14 in (mod35)
Research:
560 Rp icon.png
Cost:
550 Sl icon.png
105 Ge icon.png

Armaments

Suspended armament

List of setups (5)
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 Number 80 Mod. 1 bomb
Setup 41 x Type 91 Model 2 torpedo (835 kg)
Setup 51 x Type 91 Model 3 torpedo (850 kg)

The B6N2 Model 12 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 Number 80 Mod. 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

2 х Turret7.7 mm Type 92 machine gun
Ammunition679 rounds
Fire rate600 shots/min
Main article: Type 92 (7.7 mm)

The B6N2 Model 12 is defended by:

  • 1 x 7.7 mm Type 92 machine gun, dorsal turret (679 rpg)
  • 1 x 7.7 mm Type 92 machine gun, ventral turret (679 rpg)

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.

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 1,550 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

Cons:

  • B6N for Carrier-based torpedo bomber
    • No offensive armament
    • No airbrakes
    • Relatively Large target
  • Common Navy plane construction:
    • Poor defensive armament: 7.7 mm Type 92 MG
    • 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.

Media

Skins

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
Recon  E8N2
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 attack bomber 
B5N  B5N2
B6N  B6N1 · B6N2 · B6N2a
B7A  B7A2 · B7A2 (Homare 23)
Carrier-based dive bomber 
D3A  D3A1
D4Y  D4Y1 · D4Y2 · D4Y3 Ko
Shipboard Observation seaplane 
F1M  F1M2
Land-based Attack bomber 
G4M  G4M1
G5N  G5N1
G8N  G8N1
Flying boat 
H6K  H6K4
H8K  H8K2 · H8K3
Land-based Bomber 
P1Y  P1Y1
Army 
Light  Ki-32
  Ki-48-II otsu
Heavy  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