Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: New aircraft technologies. Part 31. Detailed design -3 September 22, 2023
- The Airliner Production Problem, Part 2 September 21, 2023
- Pontifications: IAM 751 gearing up for Boeing contract talks in 2024 September 19, 2023
- Analysis: Labor issues continue to challenge aerospace industry September 18, 2023
- GE Aero sees growth through 2026, despite supply chain snags September 15, 2023
Bjorn’s Corner: New aircraft technologies. Part 26. Preliminary design
August 25, 2023, ©. Leeham News: We described the different phases of an airliner development program last week. We will look at the Preliminary design phase this week, what work is done, the tools used, and how it… Read More
Bjorn’s Corner: New aircraft technologies. Part 15. Airframe for lower Induced drag
June 1, 2023, ©. Leeham News: Last week, we examined ways to lower the dominant drag of an airliner, the air friction drag (Figure 1). Now we look at the second largest drag component, the Induced drag, and… Read More
Bjorn’s Corner: New aircraft technologies. Part 14. Airframe for lower friction drag
May 26, 2023, ©. Leeham News: This is a summary of the article Part 14P. Airframe for lower friction drag. The article discusses in detail a Blended Wing Body (BWB) type airframe and how it reduces the wetted… Read More
The Small Airliner Problem, Part 6
Subscription required By Bjorn Fehrm May 25, 2023, © Leeham News: In our series about the viability of the business plans for small airliners (nine to 50 seats), we have covered the cost factors that make up the… Read More
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
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 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