Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing: Breaking Up is Hard to Do October 14, 2024
- Where and who will be laid off in Boeing reset? October 14, 2024
- Pontifications: Boeing needs massive reset, and not just with labor October 14, 2024
- How Boeing’s actions affect Products, Airbus: Analysis (Update) October 11, 2024
- Boeing Announces Preliminary Significant Q3 Loss: Cuts 767 Freighter Program, Delays 777X EIS, Major Layoffs October 11, 2024
The Exception to the Green Propulsion Rule
Subscription required By Bjorn Fehrm November 30, 2023, © Leeham News: The interest in Green alternative propulsion for airliners started in earnest at Farnborough Air Show 2014, where Airbus flew the E-Fan battery-electric aircraft. What followed was a… Read More
What’s the Green aviation news at Paris 2023?
Subscription required By Bjorn Fehrm June 22, 2023, © Leeham News: Every announcement from aircraft deals, OEM updates, or supply chain news now has the words Sustainable/Sustainability injected in every second sentence. It doesn’t matter what the subject… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 57. Summary
February 10, 2023, ©. Leeham News: We started the present series around Sustainable Air Transport on the 7th of January 2022, more than a year ago. During this time, we have covered a lot of subjects regarding the… Read More
Universal Hydrogen’s ATR72 Project
Subscription required By Bjorn Fehrm Dec. 22, 2022, © Leeham News: Last week, we wrote about Universal Hydrogen’s (UH2) plans to fly a hydrogen-fueled demonstrator aircraft in early 2023, followed by a certified conversion kit for an ATR72… Read More
Universal Hydrogen could be first with Hydrogen Airliner
Subscription required By Scott Hamilton and Bjorn Fehrm Dec. 15, 2022, © Leeham News: Universal Hydrogen (UH2) is perhaps weeks away from its first flight of a demonstrator that equips a De Havilland Canada Dash 8-300 with tanks… Read More
Airbus prepares contrail flight tests
July 21, 2022, © Leeham News at Farnborough Air Show: Airbus is converting two Arcus high-altitude gliders to check if the contrails produced by hydrogen combustion engines create an environmental problem. The background is that experts can’t agree… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 25. High Temperature Fuel Cell-based 70-seat airliner
June 24, 2022, ©. Leeham News: Last week, we discussed how a High Temperature Fuel Cell (HTFC) could improve the installation of a propulsion system in our 70-seat airliner. We now add this variant to the systems we… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 25P. High Temperature Fuel Cell-based 70-seat airliner. The deeper discussion.
Subscription required June 24, 2022, ©. Leeham News: This is a complementary article to Part 25, High Temperature Fuel Cell-based 70-seat airliner. It adds the masses and efficiencies of a High Temperature Fuel Cell system to our 70-seat… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 24. High Temperature Fuel Cells
June 17, 2022, ©. Leeham News: Last week, we looked at the installation effects and efficiencies of the fuel cell systems we discussed in earlier parts of the series. We could see the variants were significantly heavier than… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 23. Fuel Cell-based 70 seat airliner
June 10, 2022, ©. Leeham News: Last week, we looked at the different fuel cell systems that can go into a 70-seat airliner like the ATR 72. In this week’s Corners, we implement these in the aircraft and… Read More