B6N1 Model 11

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This page is about the Japanese bomber B6N1 Model 11. For other versions, see B6N (Family).
B6N1 Model 11
b6n1.png
GarageImage B6N1 Model 11.jpg
ArtImage B6N1 Model 11.jpg
B6N1 Model 11
Research:5 900 Specs-Card-Exp.png
Purchase:6 300 Specs-Card-Lion.png
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Description

The B6N1 Model 11, designated as Tenzan Mod.11 (天山一一型), was a carrier-based torpedo bomber developed by the Imperial Japanese Navy during World War II. It was intended to replace the B5N, but faced several delays due to engine problems and stability issues. The first prototype flew in March 1941, but the production did not enter service until August 1943. The B6N1 was powered by the Nakajima Mamoru 11 engine and could carry up to 800 kg of bombs or 1,800 kg of torpedoes. It had a top speed of 481 km/h and a range of over 3,000 km. It was armed with two 7.7 mm machine guns, one in the dorsal turret and one in the ventral position. It was used in various operations, such as the Battle of the Philippine Sea and the Battle of Leyte Gulf, but it could not fully demonstrate its potential due to the lack of experienced pilots and the air superiority of the US Navy.

It was introduced in Update "Starfighters". As the successor of the B5N2, it offers a longer range and better speed, but it still performs the same role with the same total tonnage of ordnance, carrying a single 800 kg bomb or torpedo, two 250 kg bombs or a rack holding six 60 kg bombs. It had an additional rear machine gun in a ventral position compared to the B5N, making it less vulnerable to attacks coming from below, but with the machine guns only being Type 92 (7.7 mm) LMGs, they do not cause any significant damage and are effectively only a deterrent with the off-chance of damaging enemy chasers' engines or hitting their cockpit. One unusual feature about the early production Tenzan as a torpedo bomber was the mounting of a single 7.7 mm offensive machine gun in the left wing, intended as an attempt to suppress naval targets' AA batteries. It can be used to fire enough bullets into a plane to shoot it down by utilizing the excellent manoeuvrability.

Nicknames

General info

Flight performance

The B6N1 in flight
Arrestor gear
Accelerates braking by grabbing the brake cable on the deck of the aircraft carrier
Max speed
at 4 800 m464 km/h
Turn time21 s
Max altitude9 400 m
EngineNakajima Mamoru 11
TypeRadial
Cooling systemAir
Take-off weight6 t

Great rudder responsiveness, good roll rate, and surprisingly good energy retention! The B6N1 Model 11 is capable of turnfighting with its humble frontal machine gun, and if they get on your 6, your turrets will offer some protection.

Characteristics Max Speed
(km/h at 4,800 m)
Max altitude
(metres)
Turn time
(seconds)
Rate of climb
(metres/second)
Take-off run
(metres)
AB RB AB RB AB RB
Stock 445 428 9400 21.4 22.3 7.7 7.7 270
Upgraded 484 464 20.8 21.0 15.3 11.1

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
The new cockpit of the B6N1

Survivability and armour

Crew3 people
Speed of destruction
Structural0 km/h
Gear310 km/h
  • No armour
  • Non-self sealing fuel tanks (3 in each wing)

Modifications and economy

Repair costBasic → Reference
AB339 → 427 Sl icon.png
RB495 → 624 Sl icon.png
SB791 → 997 Sl icon.png
Total cost of modifications5 920 Rp icon.png
4 480 Sl icon.png
Talisman cost410 Ge icon.png
Crew training1 800 Sl icon.png
Experts6 300 Sl icon.png
Aces80 Ge icon.png
Research Aces135 000 Rp icon.png
Reward for battleAB / RB / SB
30 / 60 / 110 % Sl icon.png
106 / 106 / 106 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
300 Rp icon.png
Cost:
230 Sl icon.png
65 Ge icon.png
Mods radiator.png
Radiator
Research:
300 Rp icon.png
Cost:
230 Sl icon.png
65 Ge icon.png
Mods compressor.png
Compressor
Research:
330 Rp icon.png
Cost:
250 Sl icon.png
70 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
370 Rp icon.png
Cost:
280 Sl icon.png
80 Ge icon.png
Mods new engine.png
Engine
Research:
370 Rp icon.png
Cost:
280 Sl icon.png
80 Ge icon.png
Mods metanol.png
Engine injection
Research:
480 Rp icon.png
Cost:
360 Sl icon.png
105 Ge icon.png
Mods armor frame.png
Airframe
Research:
330 Rp icon.png
Cost:
250 Sl icon.png
70 Ge icon.png
Mods armor cover.png
Cover
Research:
480 Rp icon.png
Cost:
360 Sl icon.png
105 Ge icon.png
Mods ammo.png
type89_belt_pack
Research:
300 Rp icon.png
Cost:
230 Sl icon.png
65 Ge icon.png
Mod arrow 1.png
Mods pilon torpedo.png
17 3/4 in (mod45)
Research:
300 Rp icon.png
Cost:
230 Sl icon.png
65 Ge icon.png
Mod arrow 0.png
Mods ammo.png
type92_turret_belt_pack
Research:
330 Rp icon.png
Cost:
250 Sl icon.png
70 Ge icon.png
Mod arrow 1.png
Mods pilon torpedo.png
Improved torpedo
Research:
330 Rp icon.png
Cost:
250 Sl icon.png
70 Ge icon.png
Mod arrow 0.png
Mods weapon.png
type97_new_gun
Research:
370 Rp icon.png
Cost:
280 Sl icon.png
80 Ge icon.png
Mods pilon bomb.png
12 in (mod30)
Research:
370 Rp icon.png
Cost:
280 Sl icon.png
80 Ge icon.png
Mod arrow 0.png
Mods turret gun.png
type92_turret_new_gun
Research:
480 Rp icon.png
Cost:
360 Sl icon.png
105 Ge icon.png
Mods pilon bomb.png
14 in (mod35)
Research:
480 Rp icon.png
Cost:
360 Sl icon.png
105 Ge icon.png

Armaments

Offensive armament

Ammunition400 rounds
Fire rate900 shots/min
Main article: Type 97 navy (7.7 mm)

The B6N1 Model 11 is armed with:

  • 1 x 7.7 mm Type 97 navy machine gun, wing-mounted (400 rpg)
    B6N1 in Gray camouflage, available on WT Live

Choose your rounds wisely. The Stealth belt is a great pick because it has two incendiary bullets, and lots of armour-piercing rounds. Universal is a great pick if you need a tracer or two to guide your shots. Don't use the Tracers belt, it won't do much. Default isn't really good, the ball bullets hinder performance.

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 B6N1 Model 11 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.

B6N1 showing off its large wings. These wings give the plane a great speed and turning ability

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 B6N1 Model 11 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)

The Type 92 turrets are absolutely horrible at dealing with higher BR planes, but it works wonders on biplanes. You will often face certain biplanes at this BR, and since they are slow, you can often get good shots on them. Use the Default belt and shoot into the engine to start an inextinguishable engine fire. This works quite often with the Default belt. The AP-T round is a good pick if you aren't a good gunner, because the extra tracers will scare the enemy off. Most biplanes don't want to get too close when they see a wave of tracers appear from your turrets.

The B6N1 diving on an unsuspecting target

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.

Your frontal machine gun is your biggest asset. Unlike the B5N2 or other B6Ns, the B6N1 carries a frontal machine gun that can destroy light AAA trucks or Armoured cars. Or even enemy planes in uptiers, as the B6N has an amazing turn rate for a monoplane, but will have issues trying to out-turn biplanes.

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

B6N1 trying to torpedo the USS Sims

Pros:

  • B6N for Carrier-based torpedo bomber
  • Common Navy plane construction:
    • Excellent manoeuvrability
  • B6N Specific:
    • Great engine power, produces 1660 hp
    • High top speed for a torpedo bomber (464 km/h)
    • Ventral gunner
  • Model 11 Specific:
    • Has offensive capabilities

Cons:

  • B6N for Carrier-based torpedo bomber
    • No airbrakes
    • Relatively Large target
  • Common Navy plane construction:
  • 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
  • B6N1 Model 11 Specific:
    • Single 7.7 mm in the left wing

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 B6N1 was the first stage of the B6N series, and was fitted with a Nakajima NK7A Mamoru engine in favor by Nakajima instead of the more readily and proved Mitsubishi Kasei engine the Navy suggested.

After 2 prototypes of the B6N1, 133 B6N1s were manufactured and immediately issued to the last remaining aircraft carrier groups such as on the Japanese carrier Zuikaku.

Due the slow and costy production of the NK7A engine, the B6N1 was halted in production in favor of the B6N2 with Mitsubishi MK4T Kasei 25 engine.

Media

Skins

See also

The B6N1 using its turrets to damage the Peashooter
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