Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- JetZero readies effort for private equity fund raising May 5, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 20. May 2, 2025
- Supplier Howmet exceeds expectations despite tariffs May 1, 2025
- Airbus 1Q2025 results: So far, so good, but US tariffs make future results unpredictable May 1, 2025
- Does an Airbus A220-500 need a new wing and engines? May 1, 2025
What would be the ticket price influence of SAF?
Subscription required By Bjorn Fehrm Feb. 9, 2023, © Leeham News: I have the last weeks described the difference between Jet fuel and SAF, or Sustainable Aviation Fuel, in my Friday Corners. We could see it has emission… 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
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 Summit Showcases Sustainability Status
By Bjorn Fehrm December 7, 2022, © Leeham News was at Airbus Summit: Airbus briefed media and influences on its Sustainability progress during briefings in Toulouse and Munich last week. Here is an update on where Airbus is… 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 26. VTOLs.
July 1, 2022, ©. Leeham News: Last week, we finished our discussions around Fuel Cell-based airliners using hydrogen as fuel. We could see the technology has true zero emissions, but the maturity of the many parts needed (hydrogen… 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 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
Bjorn’s Corner: Sustainable Air Transport. Part 20. Dimensioning the Fuel Cell system
May 20, 2022, ©. Leeham News: Last week, we looked at the principal parts of a Fuel Cell-based propulsion system. We need a fuel cell that converts hydrogen to electric power and then an inverter and electric motor… Read More