Subscription Required By Scott Hamilton Introduction Jan. 17, 2022, © Leeham News: COMAC, the Chinese aerospace company developing the C919, suffered yet another setback last year. It hoped to deliver the first aircraft, designed to compete with the… Read More
By Bjorn Fehrm May 5, 2020, ©. Leeham News: Next out in our COVID19 supply chain focus is Safran Group. Safran, together with GE Aviation, is the largest supplier of turbofan engines to the World’s airliners. Their success… Read More
Subscription Required Now open to all readers. By Scott Hamilton May 5, 2020, © Leeham News: The COVID crisis will damage the aerospace aftermarket in ways that are only beginning to be understood. As key companies report 1Q… Read More
May 14, 2018, © Leeham News: The engine problems are getting worse. These have moved beyond the technical issues with the Rolls-Royce Trent 1000, GE Aviation GEnx, Pratt & Whitney GTF and CFM56. The problems are trickling down… Read More
By Bjorn Fehrm Subscription Required Introduction February 26, 2018, ©. Leeham Co: Aerion Supersonic’s CEO and Executive Chairman, Brian Barents, presented the first pictures of the Aerion AS2 biz jet’s engine at the recent PNAA conference in Seattle. It’s… Read More
March 3, 2017, ©. Leeham Co: We will now go through how airline turbofans are maintained. First, we will describe the typical work which is performed, then look into the markets for engine maintenance. In the markets for engine… Read More
February 17, 2017, ©. Leeham Co: In our journey of an airline engine’s life, we will now look at the maintenance which is necessary to keep it fit for flight. An engine is only in top condition once in… Read More
January 27, 2017, ©. Leeham Co: In the last Corner, we began looking at the in-service operation of a Turbofan. We covered how thrust and fuel consumption varies in the different phases of an airliner’s mission. Now we will… Read More
December 16, 2016, ©. Leeham Co: After the turbine comes the engine’s exhaust system. This is where the thrust characteristics of the engine are formed. It is also the environment that defines the back pressure for the fan and… Read More
December 08, 2016, ©. Leeham Co: We have now come to the turbine in our trip through a modern turbofan. The turbines make up the rear of the engine, before the propelling nozzle. The turbines are the workhorses in… Read More