The Atjeh class was a class of unprotected cruisers

Cruiser

A cruiser is a type of warship. The term has been in use for several hundreds of years, and has had different meanings throughout this period...

 of the Royal Netherlands Navy

Royal Netherlands Navy

The Koninklijke Marine is the navy of the Netherlands. In the mid-17th century the Dutch Navy was the most powerful navy in the world and it played an active role in the wars of the Dutch Republic and later those of the Batavian Republic and the Kingdom of the Netherlands...

. The class comprised Atjeh, Tromp, Koningin Emma der Nederlanden, De Ruyter, Van Speyk and Johan Willem Friso.

Dimensions and machinery

The ships of the class were 92.05 metre long, had a beam of 12.497 metre, a draught of 6.706 metre, and had a displacement of 3,425 ton. The ships were equipped with reciprocating engine

Reciprocating engine

A reciprocating engine, also often known as a piston engine, is a heat engine that uses one or more reciprocating pistons to convert pressure into a rotating motion. This article describes the common features of all types...

s, which were rated at 3300 ihp and produced a top speed of 14 knots (27.4 km/h).

Armament

The ships were armed with six 6.7 in (17 cm) guns and eight single 4.7 in (11.9 cm) guns.

Construction

All ships were laid down at the NSM Amsterdam shipyard and launched between 1876 and 1886.

Name	Launched	Commissioned	Fate
HNLMS Atjeh	1876
HNLMS Tromp	1877
HNLMS Koningin Emma der Nederlanden	1879
HNLMS De Ruyter	1880
HNLMS Van Speyk	1882
HNLMS Johan Willem Friso	1886

External links

• Description of class

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