HMS M25

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History
United Kingdom
NameHMS M25
Builder
Sir Raylton Dixon & Co.
Laid down1 March 1915
Launched24 July 1915
FateScuttled in the Dvina River 16 September 1919
General characteristics
Class and type
M15 class monitor
Displacement540 tons
Length177 ft 3 in (54.03 m)
Beam31 ft (9.4 m)
Draught6 ft 9 in (2.06 m)
Propulsion
  • 4-shaft
  • Bolinder 4-cylinder semi-diesel
  • 640 hp
Speed11 knots
Complement69
Armament
  • As built
  • 1 ×
    BL 9.2 inch Mk VI gun
  • 1 ×
    12-pdr (76 mm) QF Mk 1 gun
  • 1 ×
    6-pdr (57 mm) QF MK 1 AA gun
  • 1918
  • 1 ×
    BL 7.5-inch (190 mm) MK III gun
  • 1 ×
    QF 3-inch (76 mm) AA gun
  • 1 ×
    12-pdr (76 mm) QF Mk 1 gun

HMS M25 was a

monitor. She was also served in the British intervention in Russia in 1919, and was scuttled
in the Dvina River on 16 September 1919.

Design

Intended as a shore bombardment vessel, M25's primary armament was a single

six-pounder anti-aircraft gun
. She was equipped with a four-shaft Bolinder four-cylinder semi-diesel engine with 640 horsepower that allowed a top speed of eleven knots. The monitor's crew consisted of sixty-nine officers and men.

Construction

HMS M25 ordered in March, 1915, as part of the

Sir Raylton Dixon & Co.
Ltd shipyard in March 1915, launched on 24 July 1915, and completed in September 1915.

World War 1

M25 served with the

BL 7.5-inch (190 mm) MK III gun from HMS Swiftsure
was fitted in lieu.

Russia

M25 next saw service, along with five other monitors (

North Russian Expeditionary Force
.

In June 1919, M25 moved to Archangel and her shallow draught enabled her to travel up the Dvina River to cover the withdrawal of British and White Russian forces. M25 and her sister ship M27 were unable to be recovered when the river level fell and were scuttled on 16 September 1919 after running aground.

Citations

  1. ISBN 0-85177-245-5
    .

References

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