GamingDiver / WoWs Legends Ships / Weymouth

World of Warships: Legends ship guide

Weymouth

Also called: 韦茅斯 Beta

U.K. · Tier I · CL Cruiser · Tech Tree: Weymouth

Tutorial-tier shipLearn the fundamentals: movement, aim, shell travel, and reading the minimap.

Playstyle

Stay near your team; do not push ahead alone
Avoid: Sailing in a straight line

Key characteristics

Fast for the classThickest plateSluggish rudder

On this page

Community stats
Playstyle
How to get Weymouth
Builds
Cohort position
Stats and specs
Charts
Background
Armor
Exteriors

Community Data

Weymouth Community Stats

Across 590+ Standard battles from 150+ players, Weymouth averages a 80% win rate, 18,300 damage and 1.3 kills per battle, and survives 63% of them.

Community Data

Weymouth Community Stats

Log in to GamingDiver and upload your data to see Community Data for Weymouth: community win rate, damage, survival, spotting, and your own comparison.

Playstyle

Overview

Weymouth is a Tier I British cruiser - a tutorial-tier ship. The kit is for learning basic mechanics: movement, aiming, shell travel time, gun rotation, and reading the minimap. Match impact comes from making fewer mistakes than the other Tier I players, not from gear advantages. Notable: top speed in T1 CAs (26 kt, 3rd of 12) and AP overmatch threshold in T1 CAs (10.6 mm, 3rd of 12).

Positioning

Stay near your team; do not push ahead alone. At Tier I the goal is practicing the basics, so pick a teammate to follow and learn how to lead your shots while their ship is in your field of vision.

Potato Avoidance

Sailing in a straight line

Even Tier I players will lead a predictable target; learn to make small course changes between salvos to break enemy aim. This is the single highest-impact habit to build at this tier.

Signature Traits

ELITE MOBILITY ↗

Fast for the class · 26 kt
Quick acceleration

Big-caliber AP overmatch ↗

10.6 mm AP overmatch threshold, top decile of T1 CAs. Punishes bow-tanking ships peers can't crack.

Thickest plate ↗

152 mm on her single heaviest plate, top decile of T1 CAs. Its thickest plate is beyond any HE or AP overmatch in the game, though that is one belt rather than the ship as a whole.

Sluggish rudder ↗

5.9 s rudder shift, bottom decile of T1 CAs. Hard to dodge incoming AP; lean on island cover.

Acquisition

How to get Weymouth

Weymouth is available in the Weymouth branch of the U.K. Tech Tree as an early line ship.

While you save up, check active promo codes for free doubloons, camouflages, and other rewards.

Show U.K. tech-tree branch diagram

U.K. Tech Tree

Weymouth sits in the Weymouth branch. The highlighted path shows the local branch context inside the full U.K. tree.

1 ships in highlighted branch · scroll to inspect all U.K. lines.

U.K.IIIIIIIVVVIVIIVIII★

Destroyer

Cruiser

Cruiser Split

Battleship

Battleship Split

Carrier

Tier VRenownPBSB547 Tier VIIVanguardPBSB508 Tier ★St. VincentPBSB210 Tier VIIIDrakePBSC209 Tier VIIIDuncanPBSB209 Tier VIIAlbemarlePBSC208 Tier VIIHawkePBSB208 Tier VISurreyPBSC207 Tier VIRookePBSB207 Tier VDevonshirePBSC206 Tier IVHawkinsPBSC205 Tier IVTigerPBSB205 Tier IIIHermesPBSA204 Tier VIIITemerairePBSB112 Tier ★DaringPBSD110 Tier ★MinotaurPBSC110 Tier ★ConquerorPBSB110 Tier VIIIJutlandPBSD109 Tier VIIINeptunePBSC109 Tier VIILightningPBSD108 Tier VIIEdinburghPBSC108 Tier VIIImplacablePBSA108 Tier VIJervisPBSD107 Tier VIFijiPBSC107 Tier VIKing George VPBSB107 Tier VIcarusPBSD106 Tier VLeanderPBSC106 Tier VQueen ElizabethPBSB106 Tier VFuriousPBSA106 Tier IVAcastaPBSD105 Tier IVEmeraldPBSC105 Tier IVIron DukePBSB105 Tier IIIWakefulPBSD104 Tier IIIDanaePBSC104 Tier IIIOrionPBSB104 Tier IIValkyriePBSD103 Tier IICaledonPBSC103 Tier IWeymouthPBSC102

Builds

Pair with a commander whose unique skill complements her main armament; check the build tool for current recommendations.

Open in Build Tool →

Commanders frequently paired with this ship AL Belfast AL Cheshire AL Neptune

Have a build you swear by? Open it in the Build Tool and hit Save build to share it here, or browse the Ship Builds guide for proven loadouts across the fleet.

Cohort position

Hide ▾

Where Weymouth sits among Tier I CAs (11 ships). Notable standouts are shown first; the rest of the cohort-ranked stats are in the expand below. Acquisition variants (Black Friday, Founders Edition) are counted once with their base ship, not as separate peers.

BestTime to 90% speed9.1 s (1/12) BestAcceleration (0-12 kt)4 s (1/12) BestTurn speed retained93.1% (1/12) Top 10%Power / turn radius44 hp/m (2/12) Top 10%Max armor152 mm (2/12) Top 25%Max speed26 kt (3/12) Top 25%Concealment8.16 km (4/12) Top 25%Main battery caliber152 mm (3/12) Top 25%Engine power22,000 hp (3/12) Top 25%Citadel belt51 mm (3/12) Bottom 25%Rudder shift5.9 s (11/12) WorstDisplacement5,800 t (12/12)

See 9 mid-pack stats

Not standouts for Weymouth -- here's where she sits on every other ranked stat in the cohort.

Hit points14,200 HP(5/12) Smoke fire bloom3.52 km(7/12) Air detection4.9 km(5/12) Turning circle500 m(9/12) Main battery range10.04 km(6/12) Main battery reload8.6 s(9/12) Main dispersion90.3 m(7/12) Power-to-weight3.79 hp/t(6/12) AA threat27(7/12)

Peers in this cohort

Compare Tier I Cruisers

Show all 11 peers

Stats & specs

Customize in the Build Tool →

Survivability

Hit Points14,200

Displacement5,800 t

Hull dimensions

Length x beam at the waterline, plus draft. Length matters when dodging torpedoes; beam and draft shape how hard the ship is to hit.

138.7 x 14.9 m (ship-model figure)

Armor range6–152 mm

Plate armor thicknesses6, 10, 13, 19, 38, 51, 76, 152 mm

Armor material/layer entries34

Fire resistance

top hull: 1 − 1 fire coefficient = 0%. Lowers how often hits set you on fire. It does not reduce the damage a burning fire does per second; fires burn at the full rate on every ship.

Fire duration30 s

Fire damage

One unattended fire: 0.003 of max HP per second (0.3%) × 30 s = 0.09 of the pool; 0.09 × 14,200 HP = 1,278 HP on this ship. 4 fire points can burn at once.

0.3% of HP per second

Flood duration40 s

Flood damage

One unattended flood: 0.0025 of max HP per second (0.25%) × 40 s = 0.1 of the pool; 0.1 × 14,200 HP = 1,420 HP on this ship.

0.25% of HP per second

Torp Reduction

1 − 0.333 hull torpedo-damage coefficient / 0.333 unprotected baseline = 0%. Reduces torpedo hit damage. It does not affect flooding: floods start as often and tick at the full rate.

Magazine HP

Per-turret powder-magazine HP, a separate pool from the ship's. Penetrating hits wear it down and the turret is likelier to be knocked out as it falls, so a larger pool keeps the guns firing through punishment that silences a peer's.

10,200

Steering gear HP

Durability of the steering gears. As this pool drops, hits are likelier to jam the rudder; unlike most modules the steering can be knocked out and repaired but is never permanently destroyed.

6,100

Repairable: penetration50%

Repairable: citadel10%

Repairable: steering gear50%

Bow section HP

Damage saturation pool for the bow: penetrations here deal their normal share until twice this much penetration damage has landed on the section (2 × 1,400 = 2,800), then further hits on it deal half damage. A penetration deals 0.33 × the shell's max damage; once the section is saturated it deals exactly half of that (0.5 × 0.33 = 0.165 × max damage), so a 3,000-damage shell's pen goes from 990 to 495. Overpens (0.1 × max damage) and citadels (1.0 ×) ignore saturation. Pens on the ship's other, unsaturated sections still deal the normal 0.33 ×. A larger pool keeps that part of the ship taking full damage for longer; a small one saturates fast and protects the ship's HP.

1,400

Auxiliary section HP

Damage saturation pool for the auxiliary room: penetrations here deal their normal share until twice this much penetration damage has landed on the section (2 × 1,100 = 2,200), then further hits on it deal half damage. A penetration deals 0.33 × the shell's max damage; once the section is saturated it deals exactly half of that (0.5 × 0.33 = 0.165 × max damage), so a 3,000-damage shell's pen goes from 990 to 495. Overpens (0.1 × max damage) and citadels (1.0 ×) ignore saturation. Pens on the ship's other, unsaturated sections still deal the normal 0.33 ×. A larger pool keeps that part of the ship taking full damage for longer; a small one saturates fast and protects the ship's HP.

1,100

Hull section HP

Damage saturation pool for the hull: penetrations here deal their normal share until twice this much penetration damage has landed on the section (2 × 11,800 = 23,600), then further hits on it deal half damage. A penetration deals 0.33 × the shell's max damage; once the section is saturated it deals exactly half of that (0.5 × 0.33 = 0.165 × max damage), so a 3,000-damage shell's pen goes from 990 to 495. Overpens (0.1 × max damage) and citadels (1.0 ×) ignore saturation. Pens on the ship's other, unsaturated sections still deal the normal 0.33 ×. A larger pool keeps that part of the ship taking full damage for longer; a small one saturates fast and protects the ship's HP.

11,800

Superstructure section HP

Damage saturation pool for the superstructure: penetrations here deal their normal share until twice this much penetration damage has landed on the section (2 × 700 = 1,400), then further hits on it deal half damage. A penetration deals 0.33 × the shell's max damage; once the section is saturated it deals exactly half of that (0.5 × 0.33 = 0.165 × max damage), so a 3,000-damage shell's pen goes from 990 to 495. Overpens (0.1 × max damage) and citadels (1.0 ×) ignore saturation. Pens on the ship's other, unsaturated sections still deal the normal 0.33 ×. The superstructure is not exempt: it saturates exactly like the bow and stern, so shells aimed at it stop dealing full damage once this pool is used up. A larger pool keeps that part of the ship taking full damage for longer; a small one saturates fast and protects the ship's HP.

700

Stern section HP

Damage saturation pool for the stern: penetrations here deal their normal share until twice this much penetration damage has landed on the section (2 × 1,100 = 2,200), then further hits on it deal half damage. A penetration deals 0.33 × the shell's max damage; once the section is saturated it deals exactly half of that (0.5 × 0.33 = 0.165 × max damage), so a 3,000-damage shell's pen goes from 990 to 495. Overpens (0.1 × max damage) and citadels (1.0 ×) ignore saturation. Pens on the ship's other, unsaturated sections still deal the normal 0.33 ×. A larger pool keeps that part of the ship taking full damage for longer; a small one saturates fast and protects the ship's HP.

1,100

Citadel section HP

This section has no practical saturation cap: every hit here keeps dealing its normal share of damage (on most ships the citadel; on many destroyers the casemate).

No saturation cap

Main Battery

ModuleArtillery: 152 mm/45 PVI

Mounts / barrels8 mounts / 8 barrels

Reload time8.6 s

Firing range (base)9.1 km

Firing range (top fire control)10 km

Turret traverse7 °/s

Turret armor76 mm

Turret traverse arcs

How far each mount can train, in degrees to either side of the mount's own facing. A rear turret with ±150° leaves a 60° blind wedge over the bow; one-sided arcs are wing mounts that cover a single side. The data does not say which way each mount faces, so the arcs are listed per mount without bow/stern angles.

166° port-only, 166° starboard-only, ±132°, 160° starboard-only, 160° port-only, 131° port-only, 131° starboard-only, ±140°

Guns to bear

180° − 140° (the most restricted aft-facing mount's arc) = 40° off bow; 180° − 132° (the most restricted forward-facing mount's arc) = 48° off stern. How far off the bow (or stern) the ship must angle before every main turret can fire: the widest blind wedge among the rear-facing (or forward-facing) mounts, from each mount's trainable arc.

40° off bow / 48° off stern

Shell Grouping (σ)2

Dispersion type

In practice: 12% tighter (better) horizontal dispersion and 12% less vertical spread at max range (10.0 km) than a standard cruiser: about 90 m wide × 54 m tall, against 102 m × 61 m. Also on this curve (225): AL Avrora, AL Yukikaze, AL Z24, Acasta, Achilles, Adriatico, Aigle, Akatsuki, Akizuki, Albany, Allen M. Sumner, Attilio Regolo and 213 more.

Standard destroyer

Max Horiz Disp

Horizontal dispersion ellipse width at max range, from the dispersion model:

σ_{H} = (\frac{R}{30} \cdot \frac{idealRadius - minRadius}{idealDistance} + minRadius) \cdot 30

= (\frac{10036.4}{30} \cdot \frac{8 - 0.5}{1000} + 0.5) \cdot 30 = 90.3 m

90.3 m at 10 km

Max Vert Disp

Vertical dispersion ellipse height at max range:

σ_{V} = σ_{H} \cdot radiusOnMax

= 90.3 \cdot 0.6 = 54.2 m

54.2 m at 10 km

Med Horiz Disp

50%-hit horizontal radius:

σ_{H, 50} = σ_{H} \cdot \frac{0.6}{σ}

= 90.3 \cdot \frac{0.6}{2} = 27.1 m

27.1 m at 10 km

Med Vert Disp

50%-hit vertical radius:

σ_{V, 50} = σ_{V} \cdot \frac{0.6}{σ}

= 54.2 \cdot \frac{0.6}{2} = 16.2 m

16.2 m at 10 km

Turret turn time

180 degrees / 7 deg/s traverse speed = 25.7 s.

25.7 s

Shells/min

5 broadside guns x 60 / 8.714 s (8.6 s = 61 ticks) base reload = 34.4.

34.4

AP shells

AP alpha2,800

AP Velocity773 m/s

Min Ricochet65 deg

Guaranteed Ricochet80 deg

Fuse Timer0.004 s

Fuse Threshold12 mm

AP overmatch

floor(152 mm caliber / 14.3) = 10 mm (AP auto-penetrates plating this thick or less).

10 mm

AP Pen Close

AP formula evaluated at muzzle velocity:

P = 10^{- 7} \cdot K \cdot m^{0.69} \cdot d^{- 1.07} \cdot v_{0}^{1.38}

= 10^{- 7} \cdot 2152 \cdot {45.36}^{0.69} \cdot {0.152}^{- 1.07} \cdot 773^{1.38} = 217.3 mm

217.3 mm point-blank

AP Pen Far

Same formula at the ship's max firing range (10 km), where the shell has slowed to 280.9 m/s:

P = 10^{- 7} \cdot 2152 \cdot {45.36}^{0.69} \cdot {0.152}^{- 1.07} \cdot {280.9}^{1.38} = 53.7 mm

53.7 mm at 10 km

AP full-salvo alpha

2,800 AP damage x 5 broadside guns = 14,000.

14,000

AP DPM

14,000 AP full-salvo alpha x 60 / 8.714 s (8.6 s = 61 ticks) base reload = 96,393.

96,393

AP AOE Radius

AP shell over-penetration splash radius; scales with shell mass. Wickes 102mm = 3, standard 152mm CL ~ 20, Iowa 406mm ~ 270, Yamato 460mm = 400, Incomparable 650mm = 550 (max). Larger value = bigger splash damage area when AP over-pens.

AA Defense

AA mount points2

Maximum AA range

Longest-reaching family on the in-game AA card. Base AirDefense aura max range is 3 km; dual-purpose mount auras extend it.

3 km

76.2 mm/45 HA Mk IV1×1 76mm

40 mm Vickers 2-pdr. QF Mk II1×1 40mm

Guns76.2 mm/45 HA Mk IV

Continuous DPS

Effective DPS: 1 raw aura damage × 3.5 × 0.9 hit probability = 3 - the same in-game units as the Close-range AA DPS headline.

Range3 km

Guns40 mm Vickers 2-pdr. QF Mk II

Continuous DPS

Effective DPS: 3 raw aura damage × 3.5 × 0.9 hit probability = 9 - the same in-game units as the Close-range AA DPS headline.

Range2 km

Total DPS in Aura

Far 3 + Medium 9 = 12

AA explosions

Each ~2 s salvo fires 2 AA explosions in quick succession, each leaving 1 cloud ahead of the attacking squadron - up to 2 clouds per salvo × 100 damage each. Planes that fly into a cloud take its damage; clouds dissipate before the next salvo lands. Defensive AA Fire, where fitted, multiplies the AA explosions within each salvo, and commander skills that raise the Number of AA explosions add to it.

2 per salvo, 1 cloud each

Cloud damage

Damage a plane takes for flying into one flak cloud, before any reductions.

100

Cloud spawn chance

Each cloud in the pattern rolls this chance to spawn, so salvos average fewer clouds than the maximum. Often called flak 'hit chance', but spawned clouds always damage planes that fly into them - the roll is on spawning.

90%

Salvo interval

A new flak salvo (the AA explosions above) fires roughly every 2 s.

every ~2 s

Fired by

Flak keeps firing while at least one AA mount is operational - it stops only once every AA mount is knocked out.

AA mounts

Flak zone

The activation band: flak fires while attacking planes are inside it. Clouds are placed ahead of the planes' path, so clouds can land short of 2.5 km or past 3 km - once planes get inside the band, new salvos stop. AA range bonuses push the outer edge out; the 2.5 km inner edge does not move.

2.5-3 km

See the AA layers diagram ↓

Maneuverability

Engine power22,000 hp

Maximum speed26.0 kt

Turning circle radius500 m

Rudder shift time5.9 s

Engine power-boost threshold24.2 kt

Engine spool-up time15.3 s

Reverse spool-up time7.7 s

Reverse speed

top speed / 4 + 4.9 = 26 / 4 + 4.9 = 11.4 kt. Base value; speed modifiers scale it.

11.4 kt

Crash stop

Seconds from top speed to a dead stop after ordering full reverse: reverse power winds in over the reverse spool-up while water drag does most of the braking, using the ship's own reverse-power ratio. The full curve is on the acceleration chart. Full reverse stops about a quarter faster than a plain Stop order from top speed.

29.3 s

Engine boost threshold (reverse)

Speed below which the engine's built-in power boost applies in reverse.

8.1 kt

Acceleration 0-90%

Time to reach 90% of top speed (23.4 kt of 26.0 kt).

9.1 s

Acceleration 0-99%

Time to reach 99% of top speed (25.7 kt of 26.0 kt). 99% rather than 100% because true top speed is asymptotic (thrust meets drag), so the last fraction of a knot is never quite gained.

27.3 s

Guns in a full turn

With the rudder hard over the hull turns 6.4°/s, so a target drifts across the bow at that rate. Turret traverse minus hull turn: 7 − 6.4 = +0.6°/s, so the guns hold the target through the turn. Main Battery Mod. 2 (+20% traverse) and Mod. 3 (−15%) move this line.

hold target (+0.6°/s spare)

See the full acceleration curve ↓

Concealment

Detectability by sea

Base value, no camouflage. With a Grade IV permanent camo (or any disposable camo): 8.16 km x 0.955 = 7.79 km. Camouflage does not change detectability by air.

8.16 km

With Grade IV camouflage (sea)

Detectability by sea 8.16 km x 0.955 (Grade IV permanent camo or any disposable camo) = 7.79 km.

7.79 km

Detectability by air4.9 km

Smoke firing penalty3.52 km

Detect when firing (sea)

max(main battery range, sea detectability 8.16 km) = 10.04 km. Equal to the ship's main battery range (never below base detectability): firing makes you visible to everyone you can reach.

10.04 km

Detect when firing (air)

Air detectability 4.9 km + gun-firing bloom 3.04 km = 7.94 km. The bloom tracks main-battery caliber 152 mm × 0.020 = 3.04 km.

7.94 km

Detect when on fire (sea)

Sea detectability 8.16 km + 2.0 km while burning = 10.16 km.

10.16 km

Detect when on fire (air)

Air detectability 4.9 km + 3.0 km while burning = 7.9 km.

7.9 km

Guaranteed Detect2 km

✦

Consumables

Damage Control Party∞ charges · 60 s reload · 5 s active

Module options (1)

Stats above use the fully-upgraded modules. These are the research-tree alternatives; trade-offs are flagged.

Fire controlUpgrade

Main battery range9,124 → 10036.4 m

Under the hood

Show ▾

All values are ship base stats with modifications and upgrade changes denoted inline.

The constants behind the formulas and the long tail: shell and dispersion inputs, fixed-range anchors, salvo math, layered AA. Click the formula chip on any row to see how it is calculated.

Main battery formulas

vs standard cruiser12% tighter H · 12% shorter V

H = horizontal, V = vertical spread. This ship's curve against the standard cruiser curve, both evaluated at this ship's max range (10.0 km) with the same model as Max Horiz/Vert Disp: horizontal 90 / 102 m − 1 = -12%, vertical 54 / 61 m − 1 = -12%. Shell grouping (σ) is separate: it sets how shells bunch toward the centre of this ellipse.

Shell scatter width @ 5 km52.5 m

(166.7 × (8 − 0.5) / 1000 + 0.5) × 30 = 52.5 m. Horizontal scatter at a fixed 5 km, from the same dispersion model as the rows below - a knife-fight-range anchor comparable across ships.

Shell scatter width @ 10 km90 m

(333.3 × (8 − 0.5) / 1000 + 0.5) × 30 = 90 m. How wide your shells scatter at 10 km, from the same dispersion model as the max-range figure above. Picking a fixed range makes this number directly comparable from ship to ship: max-range dispersion makes a longer-range gun look worse even when it's tighter at any common range. The interactive Dispersion tab on the Charts card plots the full curve from 0 to max range.

Shell scatter height @ 5 km26.2 m

How tall the scatter ellipse is at a fixed 5 km, from the same model, comparable from ship to ship. The height/width ratio is a piecewise-linear curve through three points from the ship's own dispersion data:  $radiusOnZero = 0.2$  at 0 m,  $radiusOnDelim = 0.5$  at  $delim \cdot R_{m a x} = 0.5 \cdot 10036.4 = 5018$  m, and  $radiusOnMax = 0.6$  at 10036.4 m. Below the kink:  $k = 0.2 + (0.5 - 0.2) \cdot \frac{5000}{5018} = 0.4989$ , so  $σ_{V} = σ_{H} \cdot k = 52.5 \cdot 0.4989 = 26.2 m$ .

Shell scatter height @ 10 km53.9 m

How tall the same scatter ellipse is at 10 km. Comparable from ship to ship for the same reason as the width value above. The height/width ratio is a piecewise-linear curve through three points from the ship's own dispersion data:  $radiusOnZero = 0.2$  at 0 m,  $radiusOnDelim = 0.5$  at  $delim \cdot R_{m a x} = 0.5 \cdot 10036.4 = 5018$  m, and  $radiusOnMax = 0.6$  at 10036.4 m. Above the kink:  $k = 0.5 + (0.6 - 0.5) \cdot \frac{10000 - 5018}{10036.4 - 5018} = 0.5993$ , so  $σ_{V} = σ_{H} \cdot k = 90 \cdot 0.5993 = 53.9 m$ .

AP pen 5 km103 mm

AP penetration at a fixed 5 km, from the same ballistic curve as AP Pen Close/Far: the shell's impact velocity at that range fed through the AP formula  $P = 10^{- 7} \cdot K \cdot m^{0.69} \cdot d^{- 1.07} \cdot v^{1.38}$   $= 10^{- 7} \cdot 2152 \cdot {45.36}^{0.69} \cdot {0.152}^{- 1.07} \cdot {449.3}^{1.38} = 103 mm$ , where 449.3 m/s is the shell's speed when it arrives at 5 km (from 773 m/s at the muzzle). Fixed anchors make ships directly comparable at the same fighting distance; the Charts card plots the full curve.

AP pen 10 km54 mm

AP penetration at a fixed 10 km, from the same ballistic curve as AP Pen Close/Far: the shell's impact velocity at that range fed through the AP formula  $P = 10^{- 7} \cdot K \cdot m^{0.69} \cdot d^{- 1.07} \cdot v^{1.38}$   $= 10^{- 7} \cdot 2152 \cdot {45.36}^{0.69} \cdot {0.152}^{- 1.07} \cdot {281.9}^{1.38} = 54 mm$ , where 281.9 m/s is the shell's speed when it arrives at 10 km (from 773 m/s at the muzzle). Fixed anchors make ships directly comparable at the same fighting distance; the Charts card plots the full curve.

AP flight time @ 10 km8.46 s

How long an AP shell takes to reach a target at a fixed 10 km, from the same numerically integrated trajectory the Charts card plots. The shell slows under quadratic air drag,  $a_{drag} = k ρ v^{2}$ , where  $ρ$  is air density from a standard-atmosphere profile and  $k$  bundles the shell's drag coefficient, caliber and mass:  $k = \frac{π C_{d} d^{2}}{8 m} = \frac{π \cdot 0.4461 \cdot {0.152}^{2}}{8 \cdot 45.36} = 8.92 \times 10^{- 5}$ . That runs from a 773 m/s muzzle velocity in 0.02 s steps under gravity 9.8 m/s² until the shell lands, then divides by 2.77 because the game clock runs faster than real time. Lower is better, since a faster shell is harder to dodge and needs less lead.

Guns per full salvo (alpha, DPM)5

Counted from each mount's firing arc: most barrels that bear at once: 5 of 8, on the beam; casemate/wing mounts only fire one side.

Model inputs

Krupp (AP)2,152

Armor-penetration constant of the AP shell; penetration scales straight with it, so a 10% higher Krupp is 10% more penetration at every range.

AP shell mass45.36 kg

Enters penetration as mass^0.69 and slows the shell's drag deceleration, so a heavier shell keeps more velocity at range.

AP drag coefficient0.4461

Air drag on the AP shell in flight; lower keeps velocity, and with it penetration, at long range.

AP muzzle velocity773 m/s

Starting speed of the AP shell; penetration scales with velocity^1.38.

idealRadius8

Horizontal dispersion growth per idealDistance of range, in 30 m units; the slope of the scatter-width line.

minRadius0.5

Horizontal dispersion at zero range, in 30 m units; the intercept of the scatter-width line.

idealDistance1,000 m

Range step over which horizontal dispersion grows by idealRadius.

taperDist4,000 m

Inside this range the scatter width tapers toward minRadius instead of following the line.

radiusOnZero0.2

Vertical scatter as a share of horizontal at zero range.

radiusOnDelim0.5

Vertical scatter as a share of horizontal at the delim point.

radiusOnMax0.6

Vertical scatter as a share of horizontal at maximum range.

delim0.5

Where the vertical-scatter curve bends, as a share of maximum range.

AA defense

AA DPS at max range3

Only families that reach 3 km contribute at the outer edge of the AA bubble. In-game families: 3in HA 12PDR 1x1 -> 3 DPS @ 3 km; 40mm Vickers 1x1 -> 9 DPS @ 2 km.

AA DPS layered by range3 DPS @ 3 km, 12 DPS @ 2 km

@ 3 km: 3 from one family; @ 2 km: 3 + 9 = 12. Cumulative AA DPS at each family range threshold. Inner ranges stack the outer families, so a target closing the distance hits stronger AA bubbles as it crosses each band.

AA DPS at point-blank12

3 + 9 = 12 DPS: the sum of every family's average DPS, achievable only inside the closest-range family (2 km).

AA threat index27

3 × 3 + 9 × 2 = 27. SUM over AA auras of (aura DPS x aura range km). A plane crossing the AA bubble is exposed to each aura for a time proportional to that aura's range, so long-reach DPS is worth more than the same DPS in a short bubble. Units: DPS*km; used to rank overall AA threat across the cohort.

Open in Charting Tool

Ship Charts

Background

This medium-sized cruiser had weak armor protection, but boasted powerful artillery and quite a high speed. She was conceived as a "trade protection" cruiser and was designated for countering lightly-armed enemy ships of the same type.

Armor Beta

Hull HP 14,200, distributed across 5 hull zones, each with its own plate thicknesses, saturation cap, and pen thresholds.

Bow & stern6 mm

Overmatched by 60+ AP guns across the bracket. Can’t reliably bow-tank; gets bow-citadelled and overpenned.

Belt / citadel51 mm

Thin belt: battleship AP citadels straight through it broadside. Rely on angle, speed and concealment, never sit flat.

Farming6 mm

Superstructure and extremities take HE pens and AP overpens from nearly any gun: steady chip damage. Fire resistance 0%, fires burn 30s. Range-by-range in the Compare tool →

Section	Plates	HP cap	Threats	Tactic
Bow	6 mm primary (range 6–152 mm)	1,400 (10% of HP)	Overmatched by 127mm+ AP (Farragut)6 mm: HE pens from 127mm+	Bow-tank fits behind this exterior plate. Saturation is FAST here; the cap is often only a few thousand HP.
Hull (midship)	10 mm primary (range 10–13 mm)	11,800 (83% of HP)	Overmatched by 150mm+ AP (Celebes, Königsberg)Angle bounces 127mm10 mm: HE pens from 127mm+	Largest HP pool. Citadel sits behind these plates; thinner deck and side plating absorb the rest.
Stern	6 mm primary (range 6–13 mm)	1,100 (8% of HP)	Overmatched by 127mm+ AP (Farragut)6 mm: HE pens from 127mm+	Mirror of bow. Same fast saturation.
Citadel	51 mm primary (range 10–51 mm)	≈ 165,500 (effectively no cap)	Citadel pen: full damageOver-pen: ×0.10 damage	Effectively no cap; citadel pool sits at ~165k HP on every ship. An AP citadel penetration deals the shell's full damage, the biggest single hit available; only over-penetrations are damped, to ×0.10.
Superstructure	6 mm primary (range 6–10 mm)	700 (5% of HP)	Any HE ≥16 mm pens at full damage	Any HE ≥16 mm pens at full damage. HE-spam target, and the section saturates fast (often only a few thousand HP).
Turret (module, per magazine)	separate HP pool, does not drain ship HP	10,200 magazine HP	Turret knocked out	Per-turret powder-magazine HP, a separate pool that does not drain ship HP. As it is worn down the turret is likelier to be knocked out, and a smaller pool gets there faster.
AA mount (76 mm mount)	separate HP pool, does not drain ship HP	200 per-mount HP	Destroyed at 0 HP	Per-mount HP for the heaviest AA on this ship. An AA mount destroyed at 0 HP stops shooting down planes for the rest of the battle; DCP does not repair destroyed mounts. HE shells specifically target AA mounts since the small-caliber HP pool falls fast.
Rudder (module)	separate HP pool, does not drain ship HP	6,100 module HP	Incapacitated at 0 HP	When module HP reaches 0 the rudder locks at its current angle until DCP repairs it. Repair via Damage Control Party.

Saturation cap = HP a section can absorb before further damage to it is reduced (the "bow-tank" effect). Citadel pool is ~165k on every ship (effectively no cap); damage is gated by pen/over-pen multipliers instead. Superstructure saturates fast but HE always pens regardless of the plate thickness. Rudder (and other module HPs) are a separate pool from ship HP: damaging a module doesn't drain ship HP. Incapacitated modules like the rudder and engine are restored by DCP, but secondary and AA mounts destroyed at 0 HP stay out for the rest of the battle.

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Weymouth

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