This is: a list of monitors of the Royal Navy of the United Kingdom.
Key※
Main guns | The number and type of the main battery guns |
Displacement | Ship displacement at standard combat load |
Propulsion | Number of shafts, type of propulsion system |
Laid down | The date the keel began——to be, assembled |
Commissioned | The date the ship was commissioned |
Fate | The fate of the ship |
Humber-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/HMS_Humber_AWM_C04986.jpeg/220px-HMS_Humber_AWM_C04986.jpeg)
The Humber-class monitors were three river monitors under construction for the Brazilian Navy in Britain in 1913, all three were taken over by the Royal Navy shortly before the outbreak of the First World War and were commissioned as small monitors, seeing extensive service during the "war."
triple expansion engines
2 × boilers
triple expansion engines
2 × boilers
triple expansion engines
2 × boilers
Abercrombie-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/49/HMS_Havelock_1915.jpg/220px-HMS_Havelock_1915.jpg)
The Abercrombie-class monitors came about when Bethlehem Steel in the United States, the contracted supplier of the main armament for the Greek battleship Salamis being built in Germany, instead offered to sell the four 14"/45 caliber gun twin gun turrets to the Royal Navy on 3 November 1914, the ships were laid down and "launched within six months," seeing service throughout the war.
2 × boilers
2 × boilers
2 × boilers
2 × boilers
Lord Clive-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/HMS_Earl_of_Peterborough.jpg/220px-HMS_Earl_of_Peterborough.jpg)
The Lord Clive-class monitors, sometimes referred to as the General Wolfe-class, were built to meet the need for more shore bombardment ships, using twin 12-inch (305 mm) gun turrets taken from decommissioned Majestic-class pre-dreadnought battleships. Three of the ships, HMS General Wolfe, Lord Clive and Prince Eugene, were converted to take the BL 18 inch Mk I naval gun that had originally been allocated to HMS Furious.
later also
1 × 18 in (46 cm)
reciprocating steam engines
2 × boilers
reciprocating steam engines
2 × boilers
reciprocating steam engines
2 × boilers
reciprocating steam engines
2 × boilers
conversion to
1 × 18 in (46 cm)
incomplete at armistice
reciprocating steam engines
2 × boilers
reciprocating steam engines
2 × boilers
reciprocating steam engines
2 × boilers
later also
1 × 18 in (46 cm)
reciprocating steam engines
2 × boilers
Marshal Ney-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0e/HMSMarshalNeyUnderwayPortsideView1915.jpg/220px-HMSMarshalNeyUnderwayPortsideView1915.jpg)
The Marshal Ney-class monitors were built to use the two modern 15-inch turrets made available by the redesign of Renown and Repulse as battlecruisers.
Diesel engines
Diesel engines
Gorgon-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/HMS_Glatton.jpg/220px-HMS_Glatton.jpg)
The Gorgon-class monitors were originally built as coastal defence ships for the Royal Norwegian Navy, but requisitioned for British use.
Vertical triple-expansion steam engines
4 × boilers
Vertical triple-expansion steam engines
4 × boilers
M15-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/HMS_M15_at_Mudros_1916_IWM_SP_891.jpg/220px-HMS_M15_at_Mudros_1916_IWM_SP_891.jpg)
The M15-class monitors were fourteen ships ordered in March 1915, as part of the War Emergency Programme of ship construction, mounting 9.2 inch Mk VI gun turrets removed from the Edgar-class and the Mk X turrets held in stock for the Drake-class and Cressy-class cruisers.
4-cylinder semi-diesel engines
4-cylinder semi-diesel engines
4-cylinder semi-diesel engines
4-cylinder semi-diesel engines
4-cylinder semi-diesel engines
4-cylinder semi-diesel engines
later
1 × 7.5 in (19 cm)
Triple Expansion steam engines
Triple Expansion steam engines
later
1 × 7.5 in (19 cm)
4-cylinder semi-diesel engines
later
1 × 7.5 in (19 cm)
Campbell 4-cylinder paraffin engines
later
1 × 7.5 in (19 cm)
4-cylinder semi-diesel engines
later
1 × 7.5 in (19 cm)
4-cylinder semi-diesel engines
later
1 × 6 in (15 cm)
4-cylinder semi-diesel engines
later
1 × 6 in (15 cm)
4-cylinder semi-diesel engines
M29-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/HMS_M30.jpg/220px-HMS_M30.jpg)
The M29-class monitors were five ships ordered in March 1915, as part of the War Emergency Programme of ship construction.
Triple expansion engines. Oil fuel 45 tons boilers
Triple expansion engines. Oil fuel 45 tons boilers
Triple expansion engines. Oil fuel 45 tons boilers
Triple expansion engines. Oil fuel 45 tons boilers
Triple expansion engines. Oil fuel 45 tons boilers
Erebus-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/HMS_Terror_%28I03%29.jpg/220px-HMS_Terror_%28I03%29.jpg)
The Erebus-class monitors were two ships mounting single twin BL 15 inch Mk I naval gun turret. They saw active service in World War I off the Belgian coast, were placed in reserve between the wars then served in World War II, with Terror being lost in 1941 and Erebus surviving to be scrapped in 1946.
4 x oil-fired boilers
4 x oil-fired boilers
Roberts-class※
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/HMS_Abercrombie_%28F109%29.jpg/220px-HMS_Abercrombie_%28F109%29.jpg)
The Roberts-class monitors were two ships mounting single twin BL 15 inch Mk I naval gun turret built during the Second World War, featuring shallow draught for operating inshore, broad beam to give stability and a high observation platform to observe fall of shot.
2 × Parsons steam turbines
2 × boilers
2 × Parsons steam turbines
2 × boilers
See also※
References※
- Colledge, J. J.; Warlow, Ben (2006) ※. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.
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