Subscription Required By Vincent Valery Introduction Aug. 20, 2020, © Leeham News: Last week, we compared the economics of the 747-400 and the A380 on the Los Angeles to Sydney route. We now turn our attention to Airbus’… Read More
June 15, 2020, © Leeham News: The jet engine division of Rolls-Royce faces an uncertain future because of its own problems, exacerbated by the impact of COVID-19 on commercial airlines. Beset by problems with its Trent 1000, Boeing… Read More
Subscription Required By Vincent Valery Introduction Dec. 2, 2019, © Leeham News: Rolls-Royce continues to be in the spotlight for the Trent 1000 durability issues, with no end in sight. The engine manufacturer recently increased the total disruption… 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
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
17 July 2015, ©. Leeham Co: It is summer in south of Europe and we have had over 30°C/86°F for weeks. It makes one realize the conditions where the engines have to work over their flat rating point in… Read More
Rolls-Royce may not be at a cross road but it’s certainly at a fork in the road. RR sought to be a dual-source supplier for the Boeing 777X, competing with GE Aviation for the privilege; it was generally… Read More
The feud between Rolls-Royce and Pratt & Whitney over patent infringements is nasty and in court, and the Rolls-Royce view that it doesn’t think much of the PW Geared Turbo Fan technology is well known, but speculation that… Read More
Eco-Aviation continues to gain ground in the US. Environmental forces in Europe have been targeting aviation for several years, and very aggressively. In the US, the issue has been much slower to catch on. Airbus and Boeing have… Read More