Bjorn’s Corner: New aircraft technologies. Part 9. Engine core advances

April 21, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 9P. Engine core advances. The article discusses how developments for the next-generation airliner engine cores will increase the thermal efficiency of… Read More

The Airbus A220-500, a deep-dive analysis, Part 2

Subscription required By Bjorn Fehrm Jan. 23, 2023, © Leeham News: Following Thursday’s article about an up-and-coming Airbus A220-500, we now look at the operational cost for the A220-500 and compare it with the A320neo it should replace…. 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

Airbus group 2Q results: Engine deliveries decides 2017 results.

By Bjorn Fehrm July 27, 2017, ©. Leeham Co: Airbus Group presented its 2Q2017 results this morning. The result for the first half and the full year of 2017 is decided by A320neo engine deliveries. Out of a planned… 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

IRKUT MC-21 analysis, Part 4. Performance with PD-14

By Bjorn Fehrm Subscription required. Introduction March. 14, 2016, ©. Leeham Co: In three articles we have been looking at the new Russian single aisle aircraft, Irkut MC-21, from United Aircraft and the new Russian engine that is being… Read More

Bjorn’s Corner: Engine architectures

4 March 2016, ©. Leeham Co: There is a saying, “There’s more than one way to skin a cat.” The same goes for making successful Turbofans to commercial aircraft. At the recent Pacific Northwest Aerospace Alliance 2016 sub-supplier… Read More

IRKUT MC-21 analysis, Part 3. The Russian engine alternative

By Bjorn Fehrm Subscription required. Introduction Feb. 29, 2016, ©. Leeham Co: In two articles we have been looking at the new Russian single-aisle aircraft, Irkut MC-21from United Aircraft. Now it’s time to analyze the new Russian engine,… Read More