Supertest: Dutch Tier IV Cruiser De Ruyter
5 min readHNLMS De Ruyter was a unique light cruiser of the Royal Netherlands Navy. The ship was laid down in September 1933, launched in March 1935 and commissioned in October 1936.
Initially and due to the economical context, De Ryuter was meant to be a far more modest ship with thinner armor, weaker firepower and as a whole only displacing 5 100 tons. During a later stage of her design, an additional single 150 mm gun turret was added and the armor protection was improved but the ship was still well behind the light cruisers of other nations in most regards.
De Ruyter would see action during World War II in the Dutch East Indies, trying to slow down the advance of the Japanese invasion with… limited success. In early February 1942, the ship was lightly damaged by an air attack during the Battle of Bali but would later take part in the battle of Badung Strait.
The Battle of the Java Sea would bring an end to her career on the 27th of February 1942. Alongside the cruiser Java, she encountered the Japanese cruisers Haguro and Nachi. Minutes after the Java sank from a torpedo strike coming from the Haguro, De Ryuter also suffered a torpedo hit from the same ship. The torpedo disabled the electric systems on board and the crew was unable to contain the fire and flooding caused by the hit. The ship sank 3 hours later and brought to the bottom 367 of her crew.
The wreck of the De Ruyter was discovered in 2002 and declared a war grave. In 2016, it was found that De Ruyter had been illegally salvaged and nothing was left of the wreck.
The De Ruyter we are getting in the game is a bit of a nerfed version as her anti-air was weakened (only five single 40 mm mounts instead of 5 twin 40 mm mounts)
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 | Gun Fire Control System | Main battery |
De Ruyter (A Hull) | Propulsion: 75 000 hp | SUO Mk4 Mod. 1 | ![]() 150 mm/50 Bofors Мк.9/Mk.10 |
De Ruyter (B Hull) | SUO Mk 4 Mod. 2 |
General Characteristics
Stock Ship
Tier | IV |
Health | 21 500 HP |
Torpedo Damage Reduction | 10 % |
Displacement | 6 442 tons |
Dimensions | |
Overall length | 170.65 m |
Beam | 15.7 m |
Overall height (keel to the highest point on the ship) | 26.28 m |
Freeboard | 6.2 m |
Main Armament | |
Maximum Firing Range | 12.550 km |
150 mm/50 Bofors Мк.9 150 mm/50 Bofors Мк.10 | 3 x 2 150 mm 1 x 1 152 mm |
Maximum speed | 32.0 knots |
Turning Circle Radius | 660 m |
Rudder Shift Time | 9.8 s |
Surface Detectability | 12.06 km |
Air Detectability | 5.13 km |
Detectability After Firing Main Guns in Smoke | 5.73 km |
Main Battery
3 x 2 150 mm/50 Bofors Мк.9 1 x 1 150 mm/50 Bofors Мк.10 | |
Maximum Firing Range | 12.550 km |
Reloading Time | 8.0 s |
180 Degree Turn Time | 22.5 s |
Optimal firing angles at the front | 31° |
Optimal firing angles at the rear | 31° |
Sigma | 2.00 sigma |
Maximum Dispersion | 120 m |
Shells | |
Type of Projectile | HE – 150 mm HE Brisantgranaat![]() |
Alpha Damage | 2 150 HP |
Damage | 760 HP |
Penetration capacity | 25 mm |
Explosion size | 0.57 |
Fire chance | 11 % |
Projectile Speed | 900 m/s |
Air Drag | 0.284 |
Projectile Mass | 46 kg |
Type of Projectile | AP – 150 mm AP Pantsergranaat![]() |
Alpha Damage | 3 000 HP |
Projectile Speed | 900 m/s |
Air Drag | 0.288 |
Projectile Mass | 46.7 kg |
Projectile Krupp | 2 200 |
Projectile Detonator | 0.025 s |
Detonator threshold | 25 mm |
Ricochet Angles | 45° – 60° |
Anti-air Armament
5 x 2 25 mm Bofors on a Mk.32 mount 4 x 1 12.7 mm/80 Browning | |
Sector range | 0.1 km – 2.5 km |
Hit chance | 85 % |
Sector’s damage | 22 |
Sector’s damage frequency | 0.29 s |
Sector’s damage per second | 147 |
Consumables
Slot 1 | Slot 2 | Slot 3 |
Damage Control Party ![]() Cooldown: 60 s | Hydroacoustic Search ![]() Work time: 100 s Cooldown: 120 s Torpedo spotting range: 3.0 km Ship spotting range: 4.0 km | Spotting Aircraft ![]() Work time: 100 s Cooldown: 240 s Maximum firing range: +20% |
Fighter ![]() Work time: 60 s Cooldown: 90 s Number of planes in a squadron: 1 |
Fully Upgraded
Tier | IV |
Health | 24 000 HP |
Torpedo Damage Reduction | 10 % |
Displacement | 7 822 tons |
Dimensions | |
Overall length | 170.65 m |
Beam | 15.7 m |
Overall height (keel to the highest point on the ship) | 26.28 m |
Freeboard | 6.2 m |
Main Armament | |
Maximum Firing Range | 13.805 km |
150 mm/50 Bofors Мк.9 150 mm/50 Bofors Мк.10 | 3 x 2 150 mm 1 x 1 152 mm |
Maximum speed | 32.0 knots |
Turning Circle Radius | 660 m |
Rudder Shift Time | 7.7 s |
Surface Detectability | 12.06 km |
Air Detectability | 5.13 km |
Detectability After Firing Main Guns in Smoke | 5.73 km |
Main Battery
3 x 2 150 mm/50 Bofors Мк.9 1 x 1 150 mm/50 Bofors Мк.10 | |
Maximum Firing Range | 13.805 km |
Reloading Time | 8.0 s |
180 Degree Turn Time | 22.5 s |
Optimal firing angles at the front | 31° |
Optimal firing angles at the rear | 31° |
Sigma | 2.00 sigma |
Maximum Dispersion | 128 m |
Shells | |
Type of Projectile | HE – 150 mm HE Brisantgranaat![]() |
Alpha Damage | 2 150 HP |
Damage | 760 HP |
Penetration capacity | 25 mm |
Explosion size | 0.57 |
Fire chance | 11 % |
Projectile Speed | 900 m/s |
Air Drag | 0.284 |
Projectile Mass | 46 kg |
Type of Projectile | AP – 150 mm AP Pantsergranaat![]() |
Alpha Damage | 3 000 HP |
Projectile Speed | 900 m/s |
Air Drag | 0.288 |
Projectile Mass | 46.7 kg |
Projectile Krupp | 2 200 |
Projectile Detonator | 0.025 s |
Detonator threshold | 25 mm |
Ricochet Angles | 45° – 60° |
Anti-air Armament
5 x 1 40 mm Bofors on a Mk.36 mount | |
Sector range | 0.1 km – 3.5 km |
Hit chance | 90 % |
Sector’s damage | 32 |
Sector’s damage frequency | 0.29 s |
Sector’s damage per second | 112 |
4 x 1 12.7 mm/80 Browning | |
Sector range | 0.1 km – 1.5 km |
Hit chance | 85 % |
Sector’s damage | 19 |
Sector’s damage frequency | 0.29 s |
Sector’s damage per second | 67 |
Consumables
Slot 1 | Slot 2 | Slot 3 |
Damage Control Party ![]() Cooldown: 60 s | Hydroacoustic Search ![]() Work time: 100 s Cooldown: 120 s Torpedo spotting range: 3.0 km Ship spotting range: 4.0 km | Spotting Aircraft ![]() Work time: 100 s Cooldown: 240 s Maximum firing range: +20% |
Fighter ![]() Work time: 60 s Cooldown: 90 s Number of planes in a squadron: 1 Patrol radius: 3.0 km |
The Armor
Once again, nothing outstanding for a tier IV cruiser. At least, she has a spaced armor to protect her citadel.
General External Armor Protection:
Front and Read Internal Protection of the Middle Section:
Citadel Protection:
Hidden Armored Deck inside the Stern:
Turrets Armor Protection:
Personal Opinion
Well, the ship looks fairly decent. HP pool is on the higher end of the spectrum, the firepower is fine for this tier and the spaced armor will give her a non-neglectable survivability advantage compared to things like the Phoenix.
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Sidenote (to prove someone reads your articles – wink) – in your last article about Java you claim she was sunk by cruiser Nachi … not that it would make much difference. In fact different sources give different cruisers (Wikipedia claims Haguro for both cruiser’s sinkings, while Whittley for example gives Nachi credits for Java …).