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: New aircraft technologies. Part 8. Propulsion advances
April 14, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 8P. Propulsion advances. The article discusses how developing the next-generation airliner propulsion system will be the second most important area after… Read More
Bjorn’s Corner: New aircraft technologies. Part 8P. Propulsion advances
Subscription required By Bjorn Fehrm April 14, 2023, ©. Leeham News: This is a complementary article to Part 8. Propulsion advances. It discusses in detail the next-generation propulsion and what efficiency improvements to expect from different technological advancements.
The production cost trap for eVTOL upstarts
Subscription required By Bjorn Fehrm April 13, 2023, © Leeham News: Last week, we gave the example of a new propulsion principle 30-seat airliner as a project that would face the liquidity strain of initial production costs. We… Read More
Bjorn’s Corner: New aircraft technologies. Part 7. Propulsion
April 7, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 7P. Propulsion. The article discusses how developments in the next-generation airliner propulsion system will be the second most important area for… Read More
Bjorn’s Corner: New aircraft technologies. Part 7P. Propulsion
Subscription required By Bjorn Fehrm April 7, 2023, ©. Leeham News: This is a complementary article to Part 7. Propulsion. It discusses in detail the next-generation propulsion systems and what to expect from their possible increase in performance… Read More
Bjorn’s Corner: New aircraft technologies. Part 6. Fuselage manufacturing
March 31, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 6P. Fuselage manufacturing. The article discusses how a non-circular cross-section drives material use towards composites and the difficulties of manufacturing aeronautical… Read More
Bjorn’s Corner: New aircraft technologies. Part 6P. Fuselage manufacturing
Subscription required By Bjorn Fehrm March 31, 2023, ©. Leeham News: This is a complementary article to Part 6. Fuselage manufacturing. It discusses in detail how to manufacture a non-circular fuselage that avoids fatigue problems.
Bjorn’s Corner: New aircraft technologies. Part 5. Optimal fuselage
March 24, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 5P. Optimal fuselage. The article discusses different cross-sections and how these drive drag and weight. The cross-section chosen depends on the… Read More
Bjorn’s Corner: New aircraft technologies. Part 5P. Optimal fuselage
Subscription required By Bjorn Fehrm March 24, 2023, ©. Leeham News: This is a complementary article to Part 5. Optimal fuselage. It discusses in detail the optimal fuselage for an airliner with 250 seats using different architectures and… Read More
Bjorn’s Corner: New aircraft technologies. Part 4. Fuselage trades
March 17, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 4P. Fuselage trades. In the article, we discuss the trade-offs involved in designing a fuselage of an airliner with 250 seats… Read More