Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- RTX Q1 2025 Earnings: GTF Talk Takes A Back Seat To Tariffs April 22, 2025
- Tariffs Tumult Takes Over GE Aerospace Q1 2025 Earnings Call April 22, 2025
- Boeing reports mixed results of latest employee survey, but middle management and officers remain key obstacles April 22, 2025
- Hopes for 1Q financial progress turns into bumpy ride for Boeing April 21, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 18. April 18, 2025
Bjorn’s Corner: Aircraft engines in operation, Part 5
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
Pontifications: Alaska’s A321neo test drive
Feb. 13, 2017, © Leeham Co.: It was subtle, but it was there: Alaska Airlines will take the Airbus A321neo for a test drive. This will happen via its new sibling, Virgin America, which has 10 A321neos on… Read More
Trans-Atlantic for $75, does it work?
By Bjorn Fehrm Subscription Required Introduction February 9, 2017, © Leeham Co.: Norwegian will start trans-Atlantic flying between Edinburgh and New England for $75 one-way in late spring when it gets its Boeing 737 MAX 8. The introductory… Read More
Bjorn’s Corner: Aircraft engines in operation, Part 3
February 3, 2017, ©. Leeham Co: In the last Corner, we went through how our airliner engine reacts to the different phases of flight, including what happens when we operate in a hot environment. We also showed how engine… Read More
Bjorn’s Corner: Aircraft engines in operation, Part 2
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
Bjorn’s Corner: Aircraft engines in operation
January 20, 2017, ©. Leeham Co: We have now covered the technology around airliner turbofans. Now it’s time for the real stuff: their operational life. Most decisions that an engine designer does is about how the engine shall function in practice. To understand… Read More
Bjorn’s Corner; Turbofan engine challenges, Part 7
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
2017: the year ahead
Subscription Required Introduction Jan. 3, 2017, © Leeham Co.: The New Year is here and it doesn’t look like a good one for commercial aerospace, if measured against previous outstanding years. There are some troubling signs ahead, piling… Read More
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Posted on January 3, 2017 by Scott Hamilton
Airbus, ATR, Boeing, Bombardier, CFM, Comac, CSeries, E-Jet, Embraer, Etihad Airways, Farnborough Air Show, GE Aviation, Irkut, Leeham News and Comment, Middle of the Market, Mitsubishi, Pratt & Whitney, Premium, Rolls-Royce, Sukhoi
Airbus, Boeing, Bombardier, CFM, Comac, Embraer, GE Aviation, Irkut, Mitsubishi, Pratt & Whitney, Rolls-Royce, Sukhoi