Combined diesel and diesel (CODAD) is a propulsion system for ships using two diesel engines to power a single propeller shaft.
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Transcription
System
| Combined marine propulsion |
|---|
|
CODOG |
A gearbox and clutches enable either of the engines or both of them together to drive the shaft. Two advantages over simply using a single, larger diesel engine of the same total power output are that (1) diesel engines have somewhat better specific fuel consumption at 75% to 85% max output than they do at only 50% output, and (2) there is a weight and size advantage to using two higher-speed engines compared to a single lower-speed engine, even with the slightly larger gearbox system.
CODAD vessels
- Guaicamacuto-class patrol boat
- Type 31 frigate[1]
- Steregushchiy-class corvette
- Jose Rizal-class frigate
- Frégates de taille intermédiaire
- Type 054A Frigate
- Doha-class corvette
- MV Piano Land (formerly MV Oriana)
- Tamandaré-class frigate
- Formidable-class frigate
- M/F Povl Anker
References
- ^ "Babcock wins £1.25bn Type 31 frigate contract". The Engineer. 12 September 2019. Retrieved 12 October 2019.
External links
This page was last edited on 1 April 2024, at 15:51