propulsion system: COGOGpropulsion systemsNaval Engine engines |
| Combined gas or gas (COGOG) is a type propulsion system using only gas turbine engines. A high efficiency, low output turbine is used for cruising speeds with a high output turbine being used for high-speed operations. A clutch allows either turbine to be selected, but there is no gearbox to allow operation of both turbines at once. |
Used by | Login to Edit | |
| 1972 |  Destroyer Iroquois class | 1 | ||||
| 1974 |  Frigate Type 21 Amazon class | 1 | ||||
| 1975 |  Destroyer Spruance class | 2 | ||||
| 1975 |  Guided-Missile Frigate Tromp class | 1 | ||||
| 1975 | Guided-Missile Destroyer Type 42 (Batch 1 and 2) class | 2 | ||||
| 1978 | Frigate Kortenaer class | 1 | ||||
| 1979 | Frigate Type 22 (Batch 1) Broadsword class | 2 | ||||
| 1981 | Guided-Missile Destroyer Kidd class | 2 | ||||
| 1982 |  Destroyer Hatsuyuki class | 2 | ||||
| 1983 | Frigate Type 22 (Batch 2) Boxer class | 2 | ||||
| 1983 | Guided-Missile Cruiser Ticonderoga class | 2 | ||||
In Service | Login to Edit | |
| Canadian Armed Forces | ||||||
| Royal Navy | ||||||
 Pakistan Navy | ||||||
| United States Naval Aviation | ||||||
| Royal Netherlands Navy | ||||||
| Japanese Navy | ||||||
 Chilean Navy | ||||||
