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HMCS Runnymede

Runnymederiverclassfrigate.jpg
HMCS Runnymede
History
Canada
Name: Runnymede
Namesake: York, Ontario
Operator: Royal Canadian Navy
Ordered: June 1942
Builder: Canadian Vickers Ltd. Montreal, Quebec
Laid down: 11 September 1943
Launched: 27 November 1943
Commissioned: 14 June 1944
Decommissioned: 19 January 1946
Identification: pennant number: K 678
Honours and
awards:
Atlantic 1944–45
Fate: sold, hull expended as breakwater 1948
General characteristics
Class and type: River-class frigate
Displacement:
  • 1,445 long tons (1,468 t; 1,618 short tons)
  • 2,110 long tons (2,140 t; 2,360 short tons) (deep load)
Length:
  • 283 ft (86.26 m) p/p
  • 301.25 ft (91.82 m)o/a
Beam: 36.5 ft (11.13 m)
Draught: 9 ft (2.74 m); 13 ft (3.96 m) (deep load)
Propulsion: 2 x Admiralty 3-drum boilers, 2 shafts, reciprocating vertical triple expansion, 5,500 ihp (4,100 kW)
Speed:
  • 20 knots (37.0 km/h)
  • 20.5 knots (38.0 km/h) (turbine ships)
Range: 646 long tons (656 t; 724 short tons) oil fuel; 7,500 nautical miles (13,890 km) at 15 knots (27.8 km/h)
Complement: 157
Armament:

HMCS Runnymede was a River-class frigate that served with the Royal Canadian Navy during the Second World War. She served primarily as a convoy escort in the Battle of the Atlantic. She was named for York, Ontario, however due to possible confusion with HMCS West York, her name reflects a connection with that community.

Prince Rupert was ordered in June 1942 as part of the 1942–1943 River-class building program. She was laid down on 11 September 1943 by Canadian Vickers Ltd. at Montreal, Quebec and launched 27 November later that year. She was commissioned into the Royal Canadian Navy on 14 June 1944 at Montreal.

The River-class frigate was designed by William Reed of Smith's Dock Company of South Bank-on-Tees. Originally called a "twin-screw corvette", its purpose was to improve on the convoy escort classes in service with the Royal Navy at the time, including the Flower-class corvette. The first orders were placed by the Royal Navy in 1940 and the vessels were named for rivers in the United Kingdom, giving name to the class. In Canada they were named for towns and cities though they kept the same designation. The name "frigate" was suggested by Vice-Admiral Percy Nelles of the Royal Canadian Navy and was adopted later that year.

Improvements over the corvette design included improved accommodation which was markedly better. The twin engines gave only three more knots of speed but extended the range of the ship to nearly double that of a corvette at 7,200 nautical miles (13,300 km) at 12 knots. Among other lessons applied to the design was an armament package better designed to combat U-boats including a twin 4-inch mount forward and 12-pounder aft. 15 Canadian frigates were initially fitted with a single 4-inch gun forward but with the exception of HMCS Valleyfield, they were all eventually upgraded to the double mount. For underwater targets, the River-class frigate was equipped with a Hedgehog anti-submarine mortar and depth charge rails aft and four side-mounted throwers.


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