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GEnx 2B  
Initial Operational Capability (IOC): 12 October 2011
Total Production: 593
Unitary Cost: USD$12 million
Also Known As: GEnx 2B67 and GEnx-2B67
Origin: United States of America
Corporations: Avio, General Electric Aviation*, Hanwha Techwin, Ishikawajima-Harima Heavy Industries (IHI), Techspace Aero and Volvo Aero   (*) lead contractor
Parent System: GENX
Initial Operational Capability (IOC): 12 October 2011
Total Production: 2,023
Total Cost: USD$24 billion
Family Members: GEnx 1B64
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Description: The GENX (General Electric Next Generation) commercial engine is being developed to power the newest Boeing 787 Dreamliner aircraft. It will produce 55,000 to 70,000 pounds of thrust with the first engine going to test by 2006 and certification expected one year later. Seven engines will be dedicated to the engine certification effort and two engines to long-term endurance testing. In December 2004, Airbus launched the A350 passenger aircraft project which was reported would be powered by General Electric's GEnx engines. Boeing selected GEnx engine to power its newest 747-8 family of aircraft in November 2005.

It will receive architectural design and solutions from high-thrust GE90 engine. GENX will feature composite front fan blades derived from the GE90 engine, a high-pressure ratio compressor derived from GE90 with fuel efficiency and all-electric modifications due to 7E7/787 requirements, and a twin-annular combustor to achieve lower emissions. A final design for the GEnx engine is anticipated in early 2005. General Electric Aircraft Engines also envisages the GEnx as the replacement for the successful CF6 family of engines with a 15% in specific fuel consumption improvement over CF6-80C2 wide-body aircraft engine. The new engine will future lower noise and high bypass ratio of almost 9.5 to 1 with a 111-in front-fan.

The fan case made of composites and based on the GE90 engine will provide a weight reduction of 400 pounds (181 kg). The GEnx fan blade design will be based on the GE90 engine as well. Both front fan case and fan blade are made of composite materials that will provide greater engine durability and dramatic weight reduction. The 10-stage high pressure compressor is based on the GE90-94B and will remain as the highest pressure-ratio compressor available.

The combustor will incorporate a twin-annular, pre-swirler lean-burning design that allows for efficient fuel mixing before ignition, resulting in significantly lower NOx levels and better hot section life. Finally, the two-stage high-pressure first turbine is followed by multi-stage, counter-rotating, low-pressure turbine (LPT). The counter-rotating low pressure turbine is the key element introduced by GE to achieve improved fuel burn and fewer parts in both turbines.

On 13 August 2004, General Electric announced that had reached an agreement with Ishikawajima-Harima Heavy Industries (IHI) of Japan, and Avio SpA. of Italy to be revenue-sharing participants (RSPs) on the new GEnx Jet engine. IHI and Avio will be responsible for design and manufacture of approximately 27% of the entire GEnx program. IHI will be charged with the low pressure turbine, while Avio will assume overall responsibility for the engine gearboxes.

GEnx final design was expected in early 2005. The first full engine will undergo tests beginning in 2006 and followed by engine first flight. The engine certification is anticipated by 2007. Early engine tests began in the late 2004 in Evendale, Ohio, using a representative engine with the front fan case and fan blades made of composites. On January 20, 2005 General Dynamics announced that five international partners comprising Ishikawajima-Harima Heavy Industries (IHI) of Japan, Avio SpA of Italy, Volvo Aero of Sweden, Techspace Aero of Belgium and Mitsubishi Heavy Industries (MHI) of Japan will have approximately 36 percent share of the GENX engine. Following fierce competition between Airbus and Boeing, GENX will be designed to power both Boeing 7E7/787 and Airbus A350 twin-engine, wide-body long range jetliners.

The Boeing company selected General Electric's GEnx engine to power the proposed Advanced 747 airplane featuring more payload and more range than current 747s. The Advanced 747 would be able to travel 8,000 nautical miles (approx. 15,000 kilometers) carrying 450 passengers. Boeing anticipated a potential for the Advanced 747 ranging from 250 to 300 airplanes. Boeing officially launched the Boeing 747-8 family of aircraft, formerly the Advanced 747, with the General Electric GEnX as its sole engine on November 14, 2005. Luxembourg-based CargoLux and Japanese operator Nippon Cargo Airlines ordered 10 and 8 747-8 freighters respectively.

GEnx 2B67 is the engine model selected to power the Boeing 747-8 aircraft family. The new engine would be rated at 66,500 pounds of thrust and scheduled for entry into service by September 2009 powering a CargoLux 747-8 Freighter. GEnx 2B67 leverages composite fan case and fan blades and the TAPS (twin-annular, pre-swirler) combustor system that have been introduced in the GEnx engine for Boeing's 787 aircraft. The 747-8 engine front fan is 105 inches in diameter compared to 111 inches on the 787 aircraft.

GEnx 2B Applications


Airliners Boeing 747-8 Intercontinental Boeing 747-8F

GEnx 2B Specifications

Dimensions
Fan Diameter: 2.67 meter (105 inch)
Weight
Thrust: 66,500 pound (30.2 ton)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

GEnx 2B News

There are 32 news between
6 Dec 2006 and 17 Jun 2015
1  2  3  4  
Wednesday, June 17, 2015Volga-Dnepr Group Signs MOU for Additional GEnx-Powered Boeing 747-8 Aircraft
Tuesday, March 3, 2015Silk Way West Places Order for Three Additional Boeing 747-8 Freighters
Monday, September 29, 2014Boeing and Air China Celebrate Airline's First 747-8 Intercontinental
Friday, February 14, 2014Cargolux Airlines Finalizes Order for an Additional 747-8 Freighter
Friday, December 27, 2013Cathay Pacific Airways Places Order for One Boeing 747-8 Freighter and Three 777-300ERs
Cathay Pacific Selects GEnx-2B and GE90-115B Engines to Power Four Boeing Airplanes
Wednesday, June 19, 2013Cathay Pacific Airways Commits to OnPoint Solution Agreement with GE for its GEnx-2B Engine Fleet
Tuesday, June 18, 2013Korean Air Commits to Purchase GEnx-2B and GE90-115B Powered 747-8s and 777s
Wednesday, July 11, 2012Volga-Dnepr Group Signs OnPoint Solution Agreement for GEnx Engine Fleet
Wednesday, April 25, 2012Lufthansa Takes Delivery of First Boeing 747-8 Intercontinental

Operators & Related Equipment


OperatorsItems
Azerbaijan20
Engines powering Silk Way Airlines 5 747-8Fs (20 engines)
China84
Engines powering Cathay Pacific Airways' fleet of 14 Boeing 747-8Fs (56 engines); Air China's fleet of 7 Boeing 747-8 Intercontinentals (28 engines)
Germany80
Engines powering Lufthansa 20 Boeing 747-8 Intercontinentals (80 engines)
Japan32
Engines powering Nippon Cargo Airlines' 8 747-8Fs (32 engines)
Luxembourg56
Engines powering Cargolux Boeing 747-8s fleet (14 aircraft 56 engines)
Nigeria8
Engines powering Arik Air fleet of two Boeing 747-8 Intercontinentals (8 engines)
Qatar8
Engines powering Qatar Airways fleet of 2 Boeing 747-8Fs (8 engines)
Russia116
Engines powering Volga-Dnepr Group's 25 Boeing 747-8Fs (100 engines); Transaero 4 747-8 Intercontinentals (16 engines)
South Korea68
Engines powering Korean Air's 10 Boeing 747-8 Intercontinentals and 7 747-8Fs (68 engines)
United Arab Emirates65
Engines powering DAE Capital's Boeing 747-8Fs (5 aircraft 20 engines); Emirates SkyCargo 10 787-8Fs (45 engines)
United States of America128
Engines powering GECAS fleet of 2 747-8Fs (8 engines); Atlas Air fleet of 12 747-8Fs (48 engines); Guggenheim Aviation fleet of 4 747-8Fs (16 engines); UPS fleet of 14 747-8Fs (56 engines)

Grand Total 66511
 
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