LM2500+G4
Engine
Photo courtesy of FINCANTIERI S.p.A. – All rights reserved
Most power and efficiency
The LM2500+G4 engine is the fourth generation of the industry-leading LM2500.
It has all the same high reliability, availability, and efficiency (lower SFC) but with more power (a 41% increase) than the base LM2500.
It is the most powerful and efficient member of the LM2500 family.
Photo courtesy of the Italian Navy
It has all the same high reliability, availability, and efficiency (lower SFC) but with more power (a 41% increase) than the base LM2500.
It is the most powerful and efficient member of the LM2500 family.
Photo courtesy of the Italian Navy
The LM2500+G4 system's modular design provides for easy and timely repair and refurbishment, with features like:
- A split compressor casing
- In-place blade and vane replacement
- In-place hot section maintenance
- External fuel nozzles
The LM2500+G4 is ideal for the Italian, French, and Moroccan FREMM frigates and other military ships. It is also available as a generator set.
The LM2500+G4 gas turbine provides 47,370 shp, and is the most powerful and efficient member of the LM2500 family.
The LM2500+G4 gas turbine provides 47,370 shp, and is the most powerful and efficient member of the LM2500 family.
Technical
Output
47,370 shp (35,320 kW)
SFC
.352 lb/shp-hr (214 g/kW-hr)
Heat rate
6,469 Btu/shp-hr
8,675 Btu/kWs-hr
9,150 kJ/kWs-hr
8,675 Btu/kWs-hr
9,150 kJ/kWs-hr
Exhaust gas flow
205 lb/sec (93 kg/sec)
Exhaust gas temperature
1,020°F (549°C)
Power turbine speed
3600 rpm
Average performance, 60 Hertz, 59°F, sea level, 60% relative humidity, no inlet/exhaust losses.
Resources
Download Data Sheet
FREMM-GE Case History
PPA-GE Case History
Experience List
GE Marine Gas Turbines for Frigates
Split Case Design for Gas Turbine Repair