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Supertest: British Tier X Battleship Thunderer

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Let’s wrap up the analysis on the upcoming new ships for the update 0.8.5. From April fool to actual addition to the game, here comes the Thunderer that will come to the game as an alternative tier X for the British battleships line like Slava for the Russian battleship line. (AprilWhiteMouse, I blame you for this ship!)

The Thunderer has the same origin as the Conqueror since they are technically sister-ships. Both ships are a fictional modernized version of the L2 design of battlecruisers from 1920.

Compared to the Conqueror’s commonly used 4 triple 419 mm guns turret setup, the Thunderer carries 4 twin 457 mm gun turrets. She also presents an enhanced anti-air armament.
However, unlike the Conqueror, her repair party has a short cooldown and only regenerates 0.6% of the maximum HP per second.
Also, her dispersion is similar to the one of the Vanguard which will compensate for her low number of guns.


Gun Fire Control System
Main battery


Propulsion: 135 650 HP

Mk X mod. 1

457 mm/45 Mk II

Please Note
All stats are listed without crew and upgrade modifiers but with best available modules. The stats are subject to change during the testing.
GeneralMain BatterySecondariesAir DefenseConsumables
Health82 900 HP
Main Armament
Maximum Firing Range24.250 km
457 mm/45 Mk II4 x 2 457 mm
Secondary Armament
Maximum Firing Range6.000 km
133 mm/50 Mk I8 x 2 133 mm
Maximum speed29.5 kt
Turning Circle Radius820 m
Rudder Shift Time10.4 s
Surface Detectability15.66 km
Air Detectability12.53 km
Detectability After Firing Main Gus in Smoke16.69 km
4 × 2 457 mm/45 Mk II
 Reloading Time30.0 s
180 Degree Turn Time36.0 s
Optimal fronfiring angle
Optimal rear firing angle39°
Sigma2.00 sigma
Maximum Dispersion301 m
Type of ProjectileHE
Alpha Damage8 200 HP
Damage7 730 HP
HE penetration113 mm
Explosion Size3.25
Chance to Cause Fire63 %
Projectile Speed757 m/s
Air Drag0.29
Projectile Mass1814
Projectile Krupp1
Type of ProjectileAP
Alpha Damage14 900 HP
Chance to Cause Fire-0.5 %
Projectile Speed820 m/s
Air Drag0.29
Projectile Mass1506
Projectile Krupp2 485
Projectile Detonator0.033 s
8 x 2 133 mm/50 Mk I
Reloading Time6.67 s
Sigma1.00 sigma
Type of ProjectileHE
Alpha Damage1 900 HP
Damage550 HP
HE penetration21 mm
Explosion Size0.46
Chance to Cause Fire8 %
Projectile Speed792 m/s
Air Drag0.321
Projectile Mass36.3
Projectile Krupp1
8 x 2 133 mm/50 Mk I
Sector range3.5 km – 6.0 km
Hit chance75 %
Sector’s damage450
Sector’s damage frequency3.71 s
Sector’s damage per second121
Flak clouds number4
Flak cloud damage1610
8 x 1 40 mm Bofors Mk VII
12 x 2 40 mm STAAG
7 x 6 40 mm Bofors Mk VI
Sector range1.5 km – 3.5 km
Hit chance75 %
Sector’s damage220
Sector’s damage frequency0.27 s
Sector’s damage per second815
Flak clouds number14
Flak cloud damage980
4 x 2 20 mm Oerlikon Mk V
Sector range0.1 km – 1.5 km
Hit chance70 %
Sector’s damage130
Sector’s damage frequency0.94 s
Sector’s damage per second138
Sector reinforcement
Sector reinforcement bonus+25%
Sector reinforcement time12 s
Sector reinforcement shift time12 s
Slot 1
Slot 2
Slot 3
Work time: 15 s
Cooldown: 120 s
Number of charges: 3
Work time: 28 s
Cooldown: 90 s
Regeneration speed: 0.6 % HP/second
Number of charges: 3
Work time: 40 s
Cooldown: 120 s
Work time: 15 s
Cooldown: 80 s
Number of charges: 4
Work time: 28 s
Cooldown: 60 s
Regeneration speed: 0.6 % HP/second
Number of charges: 4
Work time: 40 s
Cooldown: 80 s

The armor


The Thunderer’s armor is identical to the one of the test version of the Conqueror. For those who followed, you guessed it right, her citadel is exposed!

The bow section


The bow is covered with the classic 32 mm plating except for a small extended belt below the waterline with the upper part being 267 mm and the lower part is 229 mm thick.

There is an armored deck inside it with the first part being 87 mm thick and then, it thickens to 152 mm. This will block the AP shells that will penetrate the bow from reaching the lower part of the citadel.



When it comes to to the frontal protection of the middle section, the upper part of the citadel’s athwartship and the casemate just above it are protected by 403 mm of armor.

The lower part of the citadel’s athwartship and the casemates around it are 76 mm thick but that’s the old Conqueror citadel and you know how impossible it is to reach that part.


Finally, on top of this is, there is a 28 mm section.

The middle section


The protection is the same as the Conqueror with a 32 mm deck and side armor. The main belt is 406 mm thick, HOWEVER, it has a massive issue. Except at the extremities, it is completely flat. No inclination whatsoever. This reduces a lot the effective armor that enemy AP shells will face, making it much easier to penetrate. I will say it straight, avoid giving broadside with that kind of main belt.
The lower part of the main belt which is a spaced armor is 279 mm thick.


For the lower part of the citadel that is in spaced armor configuration, it is 45 mm thick.

The horizontal protection is pretty good with a 152 mm main armor deck and then the citadel’s roof that is 32 mm thick. It should stop AP bombs in general unless they have a good impact angle allowing them to plunge through. Now, the 2 decks are still fairly close so it might not be as good of a protection as on the Montana. One thing for sure, the Thunderer (and Conqueror) are not immune to citadels from AP bombs anymore.

The stern section


The stern is covered with 32 mm of armor except for the small underwater extended belt with 242 mm of armor of the upper part and 229 mm for the lower part.

The armored deck in the stern is 127 mm thick for the biggest portion and then thickens to 152 mm. Just like for the bow, it will protect completely the lower part of the citadel.

The upper part of the citadel’s athwartship is 403 mm thick and the lower part is 76 mm thick.


Finally, at the top, there is a small casemate of 28 mm.

The superstructure


The superstructure is the classic 19 mm armor except for the 228 mm thick conning tower at the front and the 127 and 51 mm thick conning tower at the back.

The turrets


Ah… the big British turrets with their completely flat face, such a great idea (said no one ever).

The flat face is 456 mm thick, the sides are 305 mm thick and then 229 mm thick, the back is 305 mm thick and finally, the roof is 254 mm thick and then 229 mm thick.

For the barbette, the top is 127 mm thick. the sides are 416 mm thick and then it goes down to 51 mm.

Personal opinion

In general, I simply hate the Conqueror. the whole design of this ship is something that I just can’t bear. Now the Thunderer… if her guns get the Warspite/Vanguard dispersion, that she has better agility and that she is less of a zombie, I might actually enjoy her.

I just think that the defensive AA is a bit over the top though.

15,466 thoughts on “Supertest: British Tier X Battleship Thunderer

  1. Way back when, they accused the Conqueror of being “yet another Montanoid Tier X battleship” because it had the same gun layout of the Montana and GK. Now I wonder if when they release the Ohio, they’ll accuse her of being “Thunderer-oid”…

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