Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing Announces Preliminary Significant Q3 Loss: Cuts 767 Freighter Program, Delays 777X EIS, Major Layoffs October 11, 2024
- Bjorn’s Corner: New engine development. Part 28. Wrapup. October 11, 2024
- Boeing strike hits suppliers, Airbus steps in October 10, 2024
- Boeing-IAM contract talks fail, no new negotiations scheduled, no end in sight October 9, 2024
- Boeing 3Q deliveries up despite strike October 8, 2024
Bjorn’s Corner: New aircraft technologies. Part 13. Friction drag
May 19, 2023, ©. Leeham News: Last week, we looked at the different drag types (Figure 1) that reduce an airframe’s efficiency. We now look at the major drag types in more detail and what can be done… Read More
The Small Airliner Problem, Part 5
Subscription required By Bjorn Fehrm May 18, 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/fuel consumption, maintenance, and airway/airport fees… Read More
Bjorn’s Corner: New aircraft technologies. Part 12. Airframe efficiency improvement
May 12, 2023, ©. Leeham News: This is a summary of the article New aircraft technologies. Part 12P. Airframe efficiency improvement. The article discusses the different drag types that affect an airframe, their magnitudes, and the physics behind… Read More
Bjorn’s Corner: New aircraft technologies. Part 12P. Airframe efficiency improvement
Subscription required By Bjorn Fehrm May 12, 2023, ©. Leeham News: This is a complementary article to Part 12. Airframe efficiency improvement. It discusses in detail the next-generation airframe improvements we can expect. We start with detailing the… Read More
The Small Airliner Problem, Part 4
Subscription required By Bjorn Fehrm May 11, 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/fuel consumption and maintenance scales with… Read More
Bjorn’s Corner: New aircraft technologies. Part 11. Airframe.
May 5, 2023, ©. Leeham News: In our series on the different technologies available when developing next-generation airliners, we have covered the fuselage configuration and engine options. Now we turn to airframe technologies. We will look at different… Read More
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