GE Aviation Customer Login Home Commercial Military B&GA Marine Company Press Stories Customer Support The 42 MW Engine The 42 MW marine gas turbine offers simple-cycle, two-shaft performance derived from GE's CF6-80C2 high-bypass turbofan aircraft engine. The same engine is available with a 52 MW rating. Taking advantage of the CF6-80C2 low-pressure system's normal operating speed of 3600 rpm, the 42 MW marine gas turbine couples loads directly to the low-pressure turbine shaft. This feature allows the commonality of the CF6-80C2 and the 42 MW gas turbine to be maintained. The results are low-cost, field-proven parts for the 42 MW gas turbine. The low-pressure compressor features independently controlled variable inlet guide vanes and variable stator vanes to modulate airflow, ensuring fast, easy startup/shutdown – even under partial loads. The 42 MW gas turbine is in use on floating production storage and offloading vessels, offshore platforms and power barges in marine environments. Currently over 1,000 42 MW units have shipped, logging more than 21 million operating hours. GE is now developing a 42 MW mechanical drive package for future maritime applications. The 52 MW model operates at 3930 rpm and has the advantage of much higher output. These gas turbines produce low emissions, can operate on a variety of fuels and can be positioned almost anywhere on the ship to increase revenue-generating cargo or passenger space. Both are ideal for FPSOs, LNG carriers and yachts. Models 42 MW GE's 42 MW (59,900 shp) marine gas turbine is the most fuel-efficient simple-cycle unit in its size class, delivering over 40% thermal efficiency. Download Data Sheet Triton GE Case History DSIC and Lloyd’s Case History 52 MW GE's 52 MW (70,275 shp) marine gas turbine operates at 3930 rpm and has the advantage of much higher output than the 42 MW engine. Download Data Sheet DSIC and Lloyd’s Case History Comparison 42 MW 52 MW Output 56,900 shp (42,428 kW) 70,275 shp (52,403 kW) SFC .329 lb/shp-hr 200.1 g/kW-hr .332 lb/shp-hr 201.9 g/kW-hr Heat rate 6,049 Btu/shp-hr 8,119 Btu/kWs-hr 8,564 kJ/kWs-hr 6,117 Btu/shp-hr 8,210 Btu/kWs-hr 8,660 kJ/kWs-hr Exhaust gas flow 273 lb/sec 124 kg/sec 310 lb/sec 141 kg/sec Exhaust gas temperature 853°F (456°C) 930°F (499°C) Power turbine speed 3600 rpm 3930 rpm Average performance, 60 Hertz, 59°F, sea level, 60% relative humidity, no inlet/exhaust losses imagination at work GE Aviation GE Aviation is a world-leading provider of jet and turboprop engines, components and integrated systems for commercial, military, business and general aviation aircraft, and ship propulsion applications. GE Aviation has a global service network to support these offerings. Contact Information How can we help you? Customer Support Contact Us Social Twitter YouTube Linkedin Google+ Google+ Privacy Terms Contact Accessibility Cookies © 2015 General Electric