HMS Exmouth (F84): Difference between revisions
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{{short description|1957 Type 14 or Blackwood-class frigate of the Royal Navy}} |
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{{other ships|HMS Exmouth}} |
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{{Use dmy dates|date=March 2022}} |
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[[Image:HMS Exmouth. 1972.jpg|thumb|right|270px|HMS ''Exmouth'', 1972, notice the extensive intakes around the funnel]] |
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{{more citations needed|date=June 2008}} |
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{|{{Infobox ship begin}} |
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{{Infobox ship image |
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|Ship image=HMS Exmouth. 1972.jpg |
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|Ship caption=HMS ''Exmouth'' |
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}} |
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{{Infobox ship career |
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|Hide header= |
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|Ship country=United Kingdom |
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|Ship flag={{shipboxflag|United Kingdom|naval}} |
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|Ship name=HMS ''Exmouth'' |
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|Ship namesake=[[Edward Pellew, 1st Viscount Exmouth]] |
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|Ship ordered= |
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|Ship builder=[[J. Samuel White|JS White and Co Ltd]] |
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|Ship laid down=24 March 1954 |
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|Ship launched=16 November 1955 |
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|Ship acquired=December 1957 |
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|Ship commissioned=20 December 1957 |
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|Ship decommissioned= |
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|Ship in service= |
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|Ship out of service= |
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|Ship struck= |
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|Ship reinstated= |
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|Ship honours= |
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|Ship identification=[[Pennant number]]: F84 |
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|Ship fate=Broken up in 1979 |
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|Ship notes= |
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}} |
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{{Infobox ship characteristics |
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|Header caption= |
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|Ship class={{sclass|Blackwood|frigate}} |
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|Ship displacement=1,456 [[long ton|tons]] (1,479 [[tonne]]s) full load |
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|Ship length={{convert|310|ft|m|abbr=on}} |
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|Ship beam={{convert|33|ft|m|abbr=on}} |
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|Ship draught={{convert|15|ft|m|abbr=on}} |
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|Ship power= |
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|Ship propulsion=*Y-100 plant |
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*2 × [[Babcock & Wilcox]] boilers |
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*steam turbines on single shaft |
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*{{convert|15000|shp|MW|abbr=on}} |
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|Ship speed={{convert|27|kn|km/h|0}} |
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|Ship range={{convert|5200|nmi|km|-1}} at {{convert|12|kn|km/h|0}} |
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|Ship endurance= |
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|Ship test depth= |
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|Ship complement=112 |
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|Ship sensors=*Radar Type 974 navigation |
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*Sonar Type 174 search |
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*Sonar Type 162 target classification |
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*Sonar Type 170 targeting |
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|Ship EW= |
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|Ship armament=*3 × [[Bofors 40 mm Automatic Gun L/60|40 mm Bofors gun Mark 7]] (quarterdeck mount later removed) |
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*2 × [[Limbo (weapon)|Limbo Mark 10]] anti-submarine mortars |
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|Ship armour= |
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|Ship aircraft= |
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|Ship aircraft facilities= |
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|Ship notes= |
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}} |
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| ⚫ | ''Exmouth'' became the first major warship to be powered by [[gas turbine]] engines alone when, in 1966, she was taken in hand and was refitted with a [[combined gas or gas]] (COGOG) arrangement. The main reason |
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==Service history== |
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| ⚫ | ''Exmouth'' rejoined the fleet on |
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| ⚫ | ''Exmouth'' became the first major British warship to be powered by [[gas turbine]] engines alone when, in 1966, she was taken in hand and was refitted with a [[combined gas or gas]] (COGOG) arrangement. The main reason behind the conversion of ''Exmouth'' was to trial the (then) new Marine Olympus which had been selected as the turbine for the [[Type 82 destroyer]] and the Type 19 high-speed anti-submarine frigate. Therefore, she was fitted with a [[Rolls-Royce Marine Olympus|Bristol Siddeley Olympus TM1]] of 24,000 shp (limited to {{convert|15000|shp|abbr=on}} due to [[gearbox]] and [[driveshaft|shaft]] limitations) for full power and two [[Bristol Proteus|Bristol Siddeley Proteus 10M]] (3,500 shp each) for fuel-efficient cruising. These engines drove the single shaft through a common gearbox. The Proteus engines could work alone or together, but could not be run together with the Olympus. As the engines could not run in reverse, a reversible-pitch propeller was installed. As the engines could be controlled directly from throttles on the bridge, bridge steering was fitted. The requisite air intakes and filters were grouped amidships and the turbine uptakes exhausted into a common, streamlined funnel, completely changing ''Exmouth''{{'}}s appearance. The exhaust and intake trunking was also utilised to allow the removal of complete engines, giving a rapid 24-hour exchange time. |
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| ⚫ | ''Exmouth'' rejoined the fleet on 5 June 1968, and during the 1970s she carried out extended trials to validate the feasibility of all-gas turbine propulsion. The foresight of her conversion was illustrated when after only 64 hours of running, an entire ring of Olympus turbine blades failed. Her test cruises took her to the [[Mediterranean Sea]], where she took part in various trials and exercises based at [[Malta]]. She proceeded to [[Crete]] which made her the only Type 14 to get this far east. She acted as plane guard for the [[aircraft carrier]] {{HMS|Ark Royal|R09|2}} and was involved in the search for survivors when a [[Soviet Navy|Russian]] [[destroyer]] lost 3 men overboard when making a close pass ahead of ''Ark Royal'' whilst the latter was at flying stations (the men were never found). She eventually returned to her home base port of [[Chatham Dockyard|Chatham]] in [[Kent]]. She then went to the [[Isle of Portland]] as a day runner in the 2nd Frigate Squadron, providing support for ships working-up under Flag Officer Sea Training. This was to prove her propulsion in a stop/start scenario – basically press the button, start the engines and sail – which was much less time-consuming than flashing up a steam plant. |
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| ⚫ | The trials were ultimately successful, and allowed the trouble-free introduction of the Olympus into naval service in the [[Type 42 destroyer]] and the [[Type 21 frigate|Type 21]] and two batches of [[Type 22 frigate|Type 22]] frigates. The Olympus was also an export success, and ''Exmouth'''s COGOG arrangement was also widely emulated. ''Exmouth'' was broken up in 1979. |
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| ⚫ | The trials were ultimately successful, and allowed the trouble-free introduction of the Olympus into naval service in the [[Type 42 destroyer]] and the [[Type 21 frigate|Type 21]] and two batches of [[Type 22 frigate|Type 22]] frigates. The Olympus was also an export success, and ''Exmouth''{{'}}s COGOG arrangement was also widely emulated. ''Exmouth'' was broken up in 1979. |
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==References== |
==References== |
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{{no footnotes|date=June 2008}} |
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''The Blackwood class,'' Type 14 ''Second Rate Frigates'', George Moore, in Warship |
''The Blackwood class,'' Type 14 ''Second Rate Frigates'', George Moore, in Warship 2001–2002, Conway Maritime Press, 2001, {{ISBN|0-85177-901-8}} |
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==Publications== |
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{{Blackwood_class_frigate}} |
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*{{Cite Colledge2006}} |
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*{{cite book|last=Marriott |first=Leo |date=1983 |title=Royal Navy Frigates 1945–1983 |publisher=Ian Allan Ltd |isbn=07110 1322 5}} |
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{{Blackwood class frigate}} |
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{{DEFAULTSORT:Exmouth (F84)}} |
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{{UK-frigate-stub}} |
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[[Category: |
[[Category:1955 ships]] |
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[[Category:Blackwood-class frigates]] |
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[[Category:Experimental ships]] |
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[[Category:Ships of the Fishery Protection Squadron of the United Kingdom]] |
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Latest revision as of 20:46, 5 November 2023
 | This article needs additional citations for verification. (June 2008) |
 HMS Exmouth
| |
| History | |
|---|---|
 United Kingdom | |
| Name | HMS Exmouth |
| Namesake | Edward Pellew, 1st Viscount Exmouth |
| Builder | JS White and Co Ltd |
| Laid down | 24 March 1954 |
| Launched | 16 November 1955 |
| Acquired | December 1957 |
| Commissioned | 20 December 1957 |
| Identification | Pennant number: F84 |
| Fate | Broken up in 1979 |
| General characteristics | |
| Class and type | Blackwood-class frigate |
| Displacement | 1,456 tons (1,479 tonnes) full load |
| Length | 310 ft (94 m) |
| Beam | 33 ft (10 m) |
| Draught | 15 ft (4.6 m) |
| Propulsion |
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| Speed | 27 knots (50 km/h) |
| Range | 5,200 nautical miles (9,630 km) at 12 knots (22 km/h) |
| Complement | 112 |
| Sensors and processing systems |
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| Armament |
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HMS Exmouth was a Royal Navy anti-submarine warfare frigate of the Blackwood or Type 14 class.
Service history
[edit]Exmouth became the first major British warship to be powered by gas turbine engines alone when, in 1966, she was taken in hand and was refitted with a combined gas or gas (COGOG) arrangement. The main reason behind the conversion of Exmouth was to trial the (then) new Marine Olympus which had been selected as the turbine for the Type 82 destroyer and the Type 19 high-speed anti-submarine frigate. Therefore, she was fitted with a Bristol Siddeley Olympus TM1 of 24,000 shp (limited to 15,000 shp (11,000 kW) due to gearbox and shaft limitations) for full power and two Bristol Siddeley Proteus 10M (3,500 shp each) for fuel-efficient cruising. These engines drove the single shaft through a common gearbox. The Proteus engines could work alone or together, but could not be run together with the Olympus. As the engines could not run in reverse, a reversible-pitch propeller was installed. As the engines could be controlled directly from throttles on the bridge, bridge steering was fitted. The requisite air intakes and filters were grouped amidships and the turbine uptakes exhausted into a common, streamlined funnel, completely changing Exmouth's appearance. The exhaust and intake trunking was also utilised to allow the removal of complete engines, giving a rapid 24-hour exchange time.
Exmouth rejoined the fleet on 5 June 1968, and during the 1970s she carried out extended trials to validate the feasibility of all-gas turbine propulsion. The foresight of her conversion was illustrated when after only 64 hours of running, an entire ring of Olympus turbine blades failed. Her test cruises took her to the Mediterranean Sea, where she took part in various trials and exercises based at Malta. She proceeded to Crete which made her the only Type 14 to get this far east. She acted as plane guard for the aircraft carrier Ark Royal and was involved in the search for survivors when a Russian destroyer lost 3 men overboard when making a close pass ahead of Ark Royal whilst the latter was at flying stations (the men were never found). She eventually returned to her home base port of Chatham in Kent. She then went to the Isle of Portland as a day runner in the 2nd Frigate Squadron, providing support for ships working-up under Flag Officer Sea Training. This was to prove her propulsion in a stop/start scenario – basically press the button, start the engines and sail – which was much less time-consuming than flashing up a steam plant.
The trials were ultimately successful, and allowed the trouble-free introduction of the Olympus into naval service in the Type 42 destroyer and the Type 21 and two batches of Type 22 frigates. The Olympus was also an export success, and Exmouth's COGOG arrangement was also widely emulated. Exmouth was broken up in 1979.
References
[edit] | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (June 2008) |
The Blackwood class, Type 14 Second Rate Frigates, George Moore, in Warship 2001–2002, Conway Maritime Press, 2001, ISBN 0-85177-901-8
Publications
[edit]- Colledge, J. J.; Warlow, Ben (2006) [1969]. 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.
- Marriott, Leo (1983). Royal Navy Frigates 1945–1983. Ian Allan Ltd. ISBN 07110 1322 5.
