Osborne: Tier VIII American Destroyer 1945

A destroyer armed with dual-purpose 137 mm guns, which were being developed in the United States between 1939 and 1940 as a replacement for the 127 mm Mark 12 guns. In terms of size and layout, she is similar to Fletcher-class ships.

 

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Ship Info

Ship Name: VIII Osborne

Level: 8

WG Introduction: March 27, 2025

Status During Test and Early Access:  VIII Osborne

Estimated Release: 14.6

Estimated Researchable Cost after Early Access:  110 000   9 000 000

Nation:  USA

Current Development Status: Work in Progress

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Armor

Hit points: 17,800

Overall Plating: 13-25 mm

Side Plating: 19 mm

Deck Plating: 19 mm

Bottom: 20 mm

Turret Plating: 25 mm

Superstructure: 13 mm

Tonnage: 3,200 t

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Main Battery Armament:

4x1 137mm/48 Mark 1 on a single mount:

Max Range: 12.5 km

Reload: 3.2 s

Minimum Shell Type Switching Time: 4.1 s

180° Turn Time: 14.4 s

Dispersion at Max Range: 109 m

Sigma: 2.0σ

 

Shell Types

HE Shells

4x 137 mm HE Mk1:

Alpha Damage: 1,950

Maximum Damage per Salvo: 7,800

Maximum Damage Per Minute (DPM): 146,250

Alpha Piercing HE: 23.0 mm

Ammo Type: High Explosive

Shell Air Drag: 0.2617

Shell Always Ricochet At: 60.0°

Normalization: 68.0°

Shell Detonator: 0.001

Shell Detonator Threshold: 2.0

Shell Diameter: 137 mm

Shell Krupp: 360.0

Shell Mass: 34.0 kg

Shell Ricochet At: 91.0°

Shell Speed: 823.0 m/s

Burn Probability: 8%

SAP Shells

4x 137 mm CS Mk1:

Alpha Damage: 3,000

Maximum Damage per Salvo: 12,000

Maximum Damage Per Minute (DPM): 225,000

Alpha Piercing CS: 38.0 mm

Ammo Type: Semi Armor Piercing

Shell Air Drag: 0.2617

Shell Always Ricochet At: 75.0°

Normalization: 45.0°

Shell Detonator: 0.03

Shell Detonator Threshold: 25.0

Shell Diameter: 137 mm

Shell Krupp: 3.0

Shell Mass: 34.0 kg

Shell Ricochet At: 65.0°

Shell Speed: 823.0 m/s

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Depth Charges:

Maximum damage: 5100

Charges: 2

Bombs per charge: 12

Reload time: 40 s

Burn probability: 21%

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Torpedoes:

1x4 533 mm Mk14/Mk16 mod. 3:

Max Damage: 15,533

Range: 9.0 km

Reload: 75 s

Speed: 60 kts

180 degree turn time: 7.2 s

Torpedo detectability: 1.4 km

Detection Reaction Time: 8.97 s

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AA Defence:

Long Range:

4x1 137mm/48 Mark 1 on a single mount:

Firing range: 5.8 km

Hit Probability: 100 %

Damage by Zone Area AA: 63

Damage Caused by Shell Explosions: 1540

Number of Explosions Per Salvo: 3

Action Zone: 3.5 - 5.8 km

Continuous Damage: soon

Mid Range:

5x2 40 mm/56 Bofors on a Mk.1 mount:

Firing range: 3.5 km

Hit Probability: 100 %

Damage by Zone Area AA: 116

Short Range:

7x2 20 mm Oerlikon on a single Mk.20 mount:

Firing range: 2.0 km

Hit Probability: 95 %

Damage by Zone Area AA: 102

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Mobility:

Maximum speed: 35.0 knots

Turning circle radius: 630 m

Rudder shift time: 4.1 s

Propulsion: 65,000 hp

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Visibility:

Surface Detectability: 8.0 km

Air Detectability: 3.7 km

Detectability by enemy subs: 0-3.7 km

Detectability whilst firing in smoke: 3.3 km

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Consumables:

Slot 1: Damage Control Party:

Charges: infinite

Action Time: 5 s

Reload Time: 40 s

 

Slot 2: Smoke Generator:

Total Usage Time: 160 s

Minimum Usage Time: 20 s

Cooldown after Use: 25 s

Dispersion Time: 5 s

The new Smoke Generator system rewards smart resource management while allowing for more tactical adaptability in battle.

 

Slot 3: Engine Boost:

Charges: 3

Action Time: 120 s

Reload Time: 120 s

Boost: +10%

 

All stats are listed without crew and upgrade modifiers but with best available modules. The stats are subject to change at any time.

Please be aware that all information in this post is 'Work in Progress', the announced adjustments and features may undergo multiple changes during testing, all changes will be added to this post immediately after they become available, the final details will be officially published and labelled in the ship info as 'Released' on this post.