Leeham News and Analysis
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Leeham News and Analysis
- Boeing CEO promises company is turning around…again April 24, 2024
- Solid start for stand-alone GE Aerospace despite cuts to LEAP output April 23, 2024
- SPEEA, Boeing at impasse over safety program, union says April 23, 2024
- Better transparency needed on Boeing’s 1Q earnings call April 22, 2024
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
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
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
The Boom SST engine problem, Part 2
By Bjorn Fehrm Subscription required Introduction December 01, 2016, ©. Leeham Co: Boom Technology and Virgin Atlantic plan to offer supersonic business class passenger traffic over the Atlantic. We covered the number of challenges that this poses in recent… Read More
Pontifications: A fresh perspective at Boeing Commercial is sorely needed
Nov. 28, 2016, © Leeham Co.: Boeing last week named an outsider, Kevin McAllister, as the chief executive officer of Boeing Commercial Aircraft (BCA). I think this has the potential to be an invigorating move. McAllister comes to… Read More
The Boom SST engine problem
By Bjorn Fehrm Subscription required Introduction November 28, 2016, ©. Leeham Co: We covered Boom Technology’s and Virgin Atlantic’s plans to offer supersonic business class passenger traffic over the Atlantic in recent articles. In the first article, we focused… Read More
Boeing’s Conner steps down, successor named from GE Aviation
Nov. 21, 2016: Boeing today announced that Ray Conner will retire as CEO of Boeing Commercial Airplanes well ahead of his Dec. 31, 2017, contract date. Kevin McAllister of GE Aviation Services was named as his successor. Boeing… Read More
Bjorn’s Corner: Turbofan engine challenges, Part 4
November 18, 2016, ©. Leeham Co: In our series on modern turbofan airliner engines, we will now go deeper into the compressor part. Last week, we covered the fundamentals of compressors. As compressors and turbines use the same… 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
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