Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
- Boeing unlikely to meet FAA’s 90-day deadline for new safety program April 18, 2024
- Focus on quality not slowing innovation, says GKN April 18, 2024
- Boeing defends 787, 777 against whistleblower charges April 17, 2024
- Dissecting Boeing CEO’s statement next new airplane will cost $50bn April 15, 2024
Bjorn’s Corner: Interesting aircraft at the sides of Paris Air Show 2017
June 22, 2017. ©. Leeham Co: When visiting the Paris Air Show this week, we strolled several times into the Aeronautical museum which is placed at the Le Bourget airfield. It has a fine collection of historical aircraft,… Read More
Could an NMA be made good enough? Part 5
By Bjorn Fehrm Subscription Required Introduction April 20, 2017, © Leeham Co.: After defining the fuselage and wings, it’s now time for the engines. We go through the sizing criteria for engines for airliners and find the size… Read More
Could an NMA be made good enough, Part 4?
By Bjorn Fehrm Subscription Required Introduction April 13, 2017, © Leeham Co.: Last week we finished the sizing of the fuselage for an NMA design. Now we continue with the wing. We go through the key parameters that… Read More
The Boom SST engine challenges: Summary
By Bjorn Fehrm Subscription required Introduction December 19, 2016, ©. Leeham Co: It’s time to round off our article series around the engine for a Supersonic Transport Aircraft (SST). The series was triggered by Boom Technologies’ plans to launch… Read More
Bjorn’s Corner; Turbofan engine challenges, Part 7
December 16, 2016, ©. Leeham Co: After the turbine comes the engine’s exhaust system. This is where the thrust characteristics of the engine are formed. It is also the environment that defines the back pressure for the fan and… Read More
The Boom SST engine problem, Part 4
By Bjorn Fehrm Subscription required Introduction December 15, 2016, ©. Leeham Co: In our article series around the engine for a Boom SST, we established the thrust requirements for the engines in Part 3. To fulfill these requirements, we… Read More
The Boom SST engine problem, Part 3
By Bjorn Fehrm Subscription required Introduction December 08, 2016, ©. Leeham Co: Boom Technology and Virgin Atlantic plan to offer supersonic business class passenger traffic over the Atlantic. We covered the type of challenges that this poses in previous… Read More
The Boom SST engine problem, Part 2
By Bjorn Fehrm Subscription required Introduction December 01, 2016, ©. Leeham Co: Boom Technology and Virgin Atlantic plan to offer supersonic business class passenger traffic over the Atlantic. We covered the number of challenges that this poses in recent… Read More
The Boom SST engine problem
By Bjorn Fehrm Subscription required Introduction November 28, 2016, ©. Leeham Co: We covered Boom Technology’s and Virgin Atlantic’s plans to offer supersonic business class passenger traffic over the Atlantic in recent articles. In the first article, we focused… Read More