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

Bjorn’s Corner: New aircraft technologies. Part 18. Minor drags

June 23, 2023, ©. Leeham News: In our series about technologies that influence the efficiency of a new generation of airliners, we have covered the dominant drag of an airliner, air friction drag, and the second largest drag,… 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 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 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

Bjorn’s Corner: New aircraft technologies. Part 3. Airframe improvements

March 10, 2023, ©. Leeham News: Last week, we could see that the best investment in new aircraft technology would be for the replacement of the single-aisle segment, where the Airbus A320 series and Boeing 737 MAX are… Read More