Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Pontifications: Airbus ponders A330neo MRTT, Boeing ponders KC-46A re-engine November 28, 2023
- Preview of Rolls-Royce Capital Markets Day November 27, 2023
- Bjorn’s Corner: New aircraft technologies. Part 39. Production November 24, 2023
- Further developments of the A321, Part 6 November 23, 2023
- Risk-Adjusted Business November 21, 2023
Bjorn’s Corner: New aircraft technologies. Part 38. Flight tests
November 17, 2023, ©. Leeham News: We are discussing the different design phases of an airliner development program. After covering Conceptual, Preliminary, and Detailed design and the manufacturing of prototypes and their roles, we now look deeper at… Read More
Bjorn’s Corner: New aircraft technologies. Part 38. Flight test aircraft
November 10, 2023, ©. Leeham News: We are discussing the different design phases of an airliner development program. After covering Conceptual, Preliminary, and Detailed design, we now discuss prototype manufacturing and testing. Today, we look at the different… Read More
Bjorn’s Corner: New aircraft technologies. Part 37. First flight test prototype
November 3, 2023, ©. Leeham News: We are discussing the different design phases of an airliner development program. After covering Conceptual, Preliminary, and Detailed design, we now discuss prototype manufacturing and testing, Figure 1. Today, we look at… Read More
Bjorn’s Corner: New aircraft technologies. Part 36. Prototype manufacturing and Testing
October 27, 2023, ©. Leeham News: We are discussing the different design phases of an airliner development program. After covering Conceptual, Preliminary, and Detailed design (Figure 1), we now discuss prototype manufacturing and testing, where we today go… Read More
Bjorn’s Corner: New aircraft technologies. Part 35. Prototype manufacturing and Testing
October 20, 2023, ©. Leeham News: We are discussing the different design phases of an airliner development program. The typical phases and their time use and manning are described in the Gant chart in Figure 1. After covering… Read More
The reality behind the eVTOL industry’s hyperbole, Part 6.
Subscription required By Bjorn Fehrm August 17, 2023, © Leeham News: We look at the promises that the VTOL industry has made in their Investor prospects and what the reality is as they come closer to Certification and… Read More
The reality behind the eVTOL industry’s hyperbole, Part 4.
Subscription required By Bjorn Fehrm August 3, 2023, © Leeham News: We look at the promises that the VTOL industry has made in their Investor prospects and the reality as they come closer to Certification and Production. After… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 50. eVTOL production volumes.
December 16, 2022, ©. Leeham News: Last week, we looked at the production costs of our typical eVTOL. We could see that it was far higher than Joby’s assumption of $1.3m for the S4, about three times higher… Read More
Bjorn’s Corner: The challenges of airliner development. Part 34. Wrap-up.
December 17, 2021, ©. Leeham News: As we wrap up the series where we look at the monumental work you have to do to get a new aircraft type certified, we will discuss how we need several aircraft… Read More
Bjorn’s Corner: The challenges of airliner development. Part 33. Multi-country Certification
December 10, 2021, ©. Leeham News: Our aircraft has now achieved its first deliveries and is Entering Into Service (EIS) with our launch customer. This covers one customer and one jurisdiction. As each country is sovereign in Airworthiness… Read More