The Herluf Trolle class was a class of coastal defence ship

Coastal defence ship

Coastal defence ships were warships built for the purpose of coastal defence, mostly during the period from 1860 to 1920. They were small, often cruiser-sized warships that sacrificed speed and range for armour and armament...

s of the Royal Danish Navy

Royal Danish Navy

The Royal Danish Navy is the sea-based branch of the Danish Defence force. The RDN is mainly responsible for maritime defence and maintaining the sovereignty of Danish, Greenlandic and Faroese territorial waters...

. The class comprised Herluf Trolle and Olfert Fischer.

Dimensions and machinery

The ships of the class were 82.87 metre long, had a beam of 15.06 metre, a draught of 4.93 metre, and had a displacement of 3,494 ton. The ships were equipped with 2 shaft 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 4200 ihp and produced a top speed of 15.5 knots (30.4 km/h).

Armour

The ships had belt armour of 8 in (20.3 cm) and 7 in (17.8 cm) turret armour.

Armament

The main armament of the ships where two 9.4 in (23.9 cm) single turret guns. Secondary armament included four single 15 cm (5.9 in) guns and ten 5.7 cm (2.2 in) single guns.

Construction

Herluf Trolle was laid down at the Copenhagen Navy Yard and launched on 1 January 1899. Olfert Fischer was also laid down at Copenhagen Navy Yard and was launched on 1 January 1902.

External links

• Description of class