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HNLMS De Ruyter (C801)


Light Cruiser Warship (1953)


Naval Warfare

Before becoming the Almirante Grau for the Peruvian Navy in 1973, HNLMS De Ruyter served the Dutch fleet after commissioned for service in 1953.



Authored By: Staff Writer | Last Edited: 02/12/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.
Prompted by the Empire of Japan's rapid expansion across the Pacific during the 1930s, and fearing for its overseas holdings in that region of the world, the nation of the Netherlands initiated a new shipbuilding program in the latter part of the decade that resulted in the two-strong De Zeven Provincien-class of light cruisers. The cruiser as a warship remained en vogue during this period of naval history and all major naval powers fielded some form of the ship type into the Cold War years (1947-1991). The light classification merely indicated a lightened displacement and, in some cases, more compact size while retaining the armored belts and decks of their full-fledged armored cruiser cousins.

The two ships of the De Zeven Provincien-class became HNLMS De Zeven Provincien (C802) herself and sister-ship HNLMS De Ruyter (C801). The latter warship had her keel laid down on September 5th, 1939 by Wilton-Fijenoord of Schiedam just as World War 2 (1939-1945) opened with the German invasion of Poland on September 1st of that year. She was launched on December 19th, 1941 but the fall of the Netherlands in May of 1940 meant that De Ruyter was too late to take part in its defense - as such she was not to be commissioned until well after the war, this occurring on November 18th, 1953.

The class was used to succeed the old Tromp-class consisting of two "flotilla leader" surface ships and these appeared in the middle of the 1930s. The De Zeven Provincien-class was, itself, succeeded by the newer Tromp-class frigates that arrived in the mid-1970s.

As built, De Ruyter was given a displacement of 12,040 tonnes and held a running length of 614.5 feet, a beam of 56.5 feet, and a draught of 22 feet. Power was served from 4 x Werkspoor-Yarrow 3-drum boiler units feeding 2 x De Schelde Parsons geared-steam turbines developing 85,000 horsepower to 2 x Shafts under stern. Maximum speed in ideal conditions reached 32 knots and range was out to 8,100 miles.

Aboard was a crew of 973. Armor protection ranged from 3" at the belt to nearly 5" at the conning tower. Armament included 8 x 152mm turreted main guns, 8 x 57mm Anti-Aircraft (AA) autocannons, and 8 x 40mm AA guns.

All this led to a very conventional, no-nonsense warship with excellent speed and range and projectile-based ranged firepower.

HNLMS De Ruyter operated with the Royal Netherlands Navy service until decommissioned on October 16th, 1972. During this time, she actively partook in several NATO naval exercises with allies. She did not receive the RIM-2 "Terrier" surface-to-air missile (SAM) system modification that was given to her sister during the early-1960s simply for budgetary reasons. With her time in Dutch service ultimately complete, the warship was sold off to the Peruvian Navy where she became the "Almirante Grau" (detailed elsewhere on this site). Under this name and foreign naval banner, she served as the last "gun cruiser" in naval history until finally given up for good on September 26th, 2017. De Ruyter's sister, De Zeven Provincien, was scrapped in 2000.

In Peruvian Navy service, the Almirante Grau was the recipient of a broader modernization program handled by the Dutch (Amsterdam Naval Services) from 1985 to 1988. During this period, she took on more advanced weapons, systems, and sensors to keep her a viable frontline warship for the foreseeable future.

Specifications



Service Year
1953

Origin
Netherlands national flag graphic
Netherlands

Status
DECOMMISSIONED
Destroyed, Scrapped.
Complement
653
PERSONNEL


Class
De Zeven Provincien-class
Number-in-Class
2
VESSELS
Ships-in-Class


HNLMS De Zeven Provincien (C802); HNLMS De Ruyter (C801)


National flag of the Netherlands National flag of Peru Netherlands; Peru
(OPERATORS list includes past, present, and future operators when applicable)
Offshore Bombardment
Offshore bombardment / attack of surface targets / areas primarily through onboard ballistic weaponry.
Land-Attack
Offshore strike of surface targets primarily through onboard missile / rocket weaponry.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Airspace Denial / Deterrence
Neutralization or deterrence of airborne elements through onboard ballistic of missile weaponry.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.


Length
614.5 ft
187.30 m
Beam
56.5 ft
17.22 m
Draught
22.0 ft
6.71 m
Displacement
13,300
tons


Installed Power: 4 x Werkspoor-Yarrow 3-drum boiler units feeding 2 x De Schelde Parsons geared-steam turbines developing 85,000 horsepower to 2 x Shafts.
Surface Speed
32.0 kts
(36.8 mph)
Range
7,039 nm
(8,100 mi | 13,036 km)


kts = knots | mph = miles-per-hour | nm = nautical miles | mi = miles | km = kilometers

1 kts = 1.15 mph | 1 nm = 1.15 mi | 1 nm = 1.85 km
8 x 6" (152mm) main guns in four twin-gunned turrets.
8 x 57mm Anti-Aircraft (AA) guns.
8 x 40mm Oerlikon AA guns.


Supported Types


Graphical image of a historical warship turreted main gun armament
Graphical image of an aircraft automatic cannon


(Not all weapon types may be represented in the showcase above)
None.


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