Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing still hopes for 737-7 certification this year, 737-10 next year and an Amended Type Certificate for the 777X June 5, 2023
- Bjorn’s Corner: New aircraft technologies. Part 15. Airframe for lower Induced drag June 2, 2023
- Boeing’s Calhoun: Be patient for a new airplane June 1, 2023
- Embraer gears for growth June 1, 2023
- Boeing SC construction underway for second 787 final assembly line May 31, 2023
The Small Airliner Problem, Part 3
Subscription required By Bjorn Fehrm May 4, 2023, © Leeham News: In our series about the viability of the business plans for small airliners (nine to 50 seats), we have covered how energy and fuel consumption scales with… Read More
Bjorn’s Corner: New aircraft technologies. Part 10. Engine choice
April 28, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 10P. Engine choice. The article discusses the engine architecture choices that must be made when developing the next-generation airliners.
The Small Airliner problem, Part 2
Subscription required By Bjorn Fehrm April 27, 2023, © Leeham News: We started a series about the viability of the business plans for small airliners (nine to 50 seats) last week in the light of a continuing decline… Read More
The Small Airliner Problem
Subscription required By Bjorn Fehrm April 20, 2023, © Leeham News: New Sustainable aircraft projects, for economical reasons, target small airliner types as first projects and then, after proving the concept, to move up in size. The number… Read More
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