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World of Warships Supertest: British Tier VI Submarine Undine

3 min read

Historical background

HMS Undine was a U-class submarine of the Royal Navy. The ship was laid down in February 1937, launched in October 1937, and commissioned in August 1938.

Undine had quite a short career, barely operating for a year and a half in active service before going down. She was a member of the 6th Submarine Flotilla during the Second World War. During her 4th patrol in January 1940, she suffered a sonar malfunction and was attacked by German auxiliary minesweepers. After an unsuccessful offensive, she was forced to dive and proceeded while being blind due to her sonar being down. After a few minutes, Undine raised to periscope depth but the ship quickly got hit and the crew was forced to abandon the ship and scuttle her.

Ship’s preview

Ship’s camouflages

For the classic reminder, this is a ship in testing, anything can change so don’t look at her like she would already be released.

Modules

Hull
Engine
Sonar
Torpedoes

icon_module_Hull_installed

Undine (A)

icon_module_Engine_installed

Propulsion: 825 HP

‎ASDIC 6 Mod. A

icon_module_Torpedoes_installed
533 mm Mk VIII Mod 0

icon_module_Hull_installed

Undine (B)

‎ASDIC 6 Mod. B

icon_module_Torpedoes_installed
533 mm Mk VIII Mod 0

General Characteristics

TierVI
Health9 200 HP – stock
9 600 HP – upgraded
Torpedo Damage Reduction0 %
Displacement540 tons – stock
630 tons – upgraded
Dimensions
Overall length58.22 m
Beam4.87 m
Overall height (keel to the highest point on the ship)4.8 m
Freeboard1.3 m
Secondary Armament
Maximum Firing Range4.000 km
76 mm/45 20cwt QF HA Mark I on a HA Marks II mount1 x 1 76.2 mm
Torpedo Armament
Maximum Firing Range7.000 km stock
8.000 km upgraded
533 mm6 x 1 533 mm
Dive capacity
Battery capacity255 units – stock
300 units – upgraded
Dive capacity depletion1.0 unit/s
Dive capacity recharge rate0.6 unit/s
Surface maneuverability
Maximum speed20.0 knots
Turning radius410 m
Rudder shift time5.9 s
Underwater maneuverability
Maximum speed16.0 knots
Diving plane shift time9.1 s
Maximum dive and ascent speed2.6 m/s
Detectability
Surface detectability5.53 km
Periscope depth detectability2.00 km
Air detectability1.98 km

Secondary Armament

1 x 1 76 mm/45 20cwt QF HA Mark I on a HA Marks II mount
Maximum Firing Range4.000 km
Reloading Time5.0 s
180 Degree Turn Time3.0 s
Optimal firing angles at the front
Optimal firing angles at the rear20°
Sigma1.00 sigma
Shells
Type of ProjectileSAP
Alpha Damage1 500
Penetration capacity22 mm
Projectile Speed640 m/s
Air Drag0.47
Projectile Mass7.5 kg
Ricochet Angles80° – 85°

Torpedo Armament and Sonar

Sonar ‎ASDIC 6 Mod. A – Stock
Sonar ‎ASDIC 6 Mod. B – Upgraded

Reloading Time8.0 s – stock
6.5 s – upgraded
Maximum Distance8.000 km
Ping effect duration on a sector highlighted once25 s
Ping effect duration on a sector highlighted twice50 s
Ping velocity500 m/s
Ping width15 m
6 x 1 533 mm bow torpedo launchers
3 loaders
Acoustic Homing Torpedo 533 mm Mk VIII Mod 0

Reloading Time45 s
Maximum Distance7.000 km – stock
8.000 km – upgraded
Firing angles at the front0 – 15°
Damage4 630
Flooding Chance77%
Speed75 knots
Arming distance302 m
Surface Detectability1.7 km

Consumables

Consumables
Slot 1
Slot 2
Slot 3
Damage Control Party
consumable_PCY009_CrashCrewPremiumNumber of charges: 3
Work time: 15 s
Cooldown: 60 s
Hydrophone
Number of charges: 4
Work time: 30 s
Cooldown: 30 s
Interval between pings: 4 s
Ship bearing: 6.0 km
Submarine Surveillance
Preparation time: 330 s
Work time: 60 s
Cooldown: 120 s
Detection of submarines: 6.0 km

The Armor

Personal Opinion

Right now, Undine looks rather mediocre. While she has by far the best battery capacity, allowing her to stay up to 6 minutes underwater, she is also stuck with torpedoes dealing very low damage, she has low survivability and her surface speed is also FAR worse than that of U-69 and Cachalot for the times she will have to surface and recharge.
As if it wasn’t enough, she also has a limited number of Hydrophone charges and for what it’s worth, she also has a weaker deck gun than the others.

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