Adder-class monitor

Class overview
Name	Adder class
Operators	Royal Netherlands Navy
Preceded by	Template:Sclass-
Succeeded by	HNLMS Koning der Nederlanden
Completed	6
Lost	1
Scrapped	5
General characteristics (as completed)
Class and type	Adder-class monitor
Displacement	1,555–1,585 long tons (1,580–1,610 t)
Length	192.25–195.4 ft (58.6–59.6 m) (o/a)
Beam	44 ft (13.4 m)
Draft	9 ft 9 in (3.0 m)
Installed power	560–740 ihp (420–550 kW)
Speed	7–8 knots (13–15 km/h; 8.1–9.2 mph)
Complement	117
Armament	1 × single 9-inch (229 mm) muzzle-loading rifle or 1 × 11-inch (279 mm) (Luipaard only)
Armor	Belt: 5.5 in (140 mm) Gun turrets: 8–11 in (203–279 mm)

The Adder-class monitors were a group of six ironclad monitors built for the Royal Netherlands Navy in the 1870s.

Ships

Ship	Builder	Laid down	Launched	Completed
HNLMS Adder	Fijenoord, Schiedam		1871
HNLMS Haai
HNLMS Hyena	Rijkswerf, Amsterdam		1870
HNLMS Luipaard	Fijenoord, Schiedam		1876
HNLMS Panter	Rijkswerf, Amsterdam		1870
HNLMS Wesp			1871

References

• Gardiner, Robert, ed. (1979). Conway's All the World's Fighting Ships 1860–1905. Greenwich: Conway Maritime Press. ISBN 0-8317-0302-4.