Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- The Boeing 767 Cross Section, Part 1 November 24, 2022
- Movie Review: Devotion November 21, 2022
- China will accelerate development of its commercial aerospace sector November 21, 2022
- Bjorn’s Corner: Sustainable Air Transport. Part 46. eVTOL comparison with helicopter November 18, 2022
- The economics of a 787-9 and A330-900 at eight or nine abreast November 16, 2022
Engine Development. Part 8. Throttle push or not?
Subscription Required By Bjorn Fehrm Introduction October 6, 2022, © Leeham News: The early years of 2000 saw new engine programs launched for the new Boeing 787 Dreamliner and Airbus response, the A350. Substantial differences in the life… Read More
Engine Development, Part 1: Launch to Entry into Service
Subscription Required By Vincent Valery Introduction Pratt & Whitney Geared Turbofan Aug 18, 2022, © Leeham News: LNA analyzed the evolution of commercial aircraft development timelines last month. The time between a program launch and entry into service… Read More
The Ultrafan Project
Subscription Required By Vincent Valery Introduction June 21, 2021, © Leeham News: Rolls-Royce launched the Ultrafan in 2014, a project to develop next-generation geared turbofan engines. The engine OEM has been working on that project ever since. The… Read More
The A350, Part 9: The A350-1000 versus 777-300ER
Subscription Required By Bjorn Fehrm Introduction March 11, 2021, © Leeham News: Last week, we started analyzing the Airbus A350-1000 and compared it with the Boeing 777-300ER. We now fly the airplanes on a demanding route, close to… Read More
The A350, Part 1: Intro and A350-800
Subscription Required By Vincent Valery Introduction Dec. 17, 2020, © Leeham News: After running a series on the Dreamliner, LNA will now start a series on Airbus’ latest-generation twin-aisle aircraft, the A350. Airbus should deliver its 400th A350… Read More
Pontifications: bleak near- to mid-term future for Rolls-Royce engine unit
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
Airbus’ disadvantages in widebody campaigns
Subscription Required Introduction Oct. 29, 2018, © Leeham Co.: Airbus faces a key disadvantage when it comes to winning current wide-body campaigns against Boeing. The disadvantage is entirely out of its control. It’s not about whether the A330neo… Read More
Bjorn’s Corner; Turbofan engine challenges; Part 6
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
Bjorn’s Corner: Turbofan engine challenges, Part 3
November 12, 2016, ©. Leeham Co: In our trip through a modern turbofan airliner engine and its technologies, we looked last week at the engine intake and the fan. We now continue with the compressor parts. As compressors and… Read More
Bjorn’s corner; Turbofan engine challenges; Part 2
November 04, 2016, ©. Leeham Co: We will now start to go through a modern turbofan airliner engine and look at the technologies which are used and what are their technical challenges. We will start today with the engine… Read More