The first Marine Olympus was built for the German Navy. In 1962 BSEL was contracted to provide the gas-generator and Brown Boveri was contracted to provide a two-stage long-life marine power turbine. A test bed was built for extensive shore trials. Construction of the ship which was intended for gas-turbine power was abandoned. Test running of the next marine Olympus began in 1966. The power turbine was of a single stage operating at 5,600 rpm utilising wide-chord blades. Beginning its sea trials in early 1968, Turunmaa, a 700-ton corvette of the Finnish Navy was the first Olympus-powered warship to enter service, some six months before HMSExmouth, the first British ship which had been refitted to trial the propulsion system for the Royal Navy.[1]
The TM1 and TM2 variants comprised a power turbine baseplate carrying the turbine and the gas generator mountings, and differed significantly only in the construction of the power turbine structure, which was a steel casting on the TM1 and a fabrication on the TM2. All TM1 and TM2 installations were fitted with an A-rated gas generator, serial numbers 2013xx.
The TM3 comprised a similar power turbine baseplate plus a gas generator enclosure, an air intake enclosure, and many support services including ventilation and fire extinguishing systems. All TM3 installations were fitted with a B-rated gas generator, serial numbers 2017xx.
Variants
Olympus TM1
HMS Exmouth, the first British warship to be entirely propelled by gas turbines.
23,200shp (17,300kW) nominal. Installed ratings quoted where known.
Finnish Navy
Turunmaa-class corvettes — one Olympus, three diesels.[1]
Royal Navy
HMS Exmouth — one Olympus derated to 15,000shp (11,000kW), two Proteus.[1]
Type 82 destroyer, HMSBristol — two Olympus, two steam turbines.[1]
Olympus TM2
23,200shp (17,300kW) nominal. Installed ratings quoted where known.
Iranian Navy
Alvand-class frigates — two Olympus at 23,000shp (17,000kW), two diesel.[2]
Royal Malaysian Navy
KDRahmat frigate — one Olympus at 19,500shp (14,500kW), one diesel.[3]
Libyan Navy
Dat Assawari frigate — two Olympus at 23,200shp (17,300kW), two diesel.[4]
Olympus TM3
28,000shp (21,000kW) nominal. Installed ratings quoted where known.
Royal Navy
Invincible-class aircraft carriers — four Olympus at 25,000shp (19,000kW).[5]
Type 42 destroyers — two Olympus at 25,000shp (19,000kW), two Tyne.[5][6]
Type 21 frigates — two Olympus at 28,000shp (21,000kW), two Tyne.[5]
Type 22 frigates Batch 1 and 2 — two Olympus, two Tyne.[7]
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