Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- RTX Q1 2025 Earnings: GTF Talk Takes A Back Seat To Tariffs April 22, 2025
- Tariffs Tumult Takes Over GE Aerospace Q1 2025 Earnings Call April 22, 2025
- Boeing reports mixed results of latest employee survey, but middle management and officers remain key obstacles April 22, 2025
- Hopes for 1Q financial progress turns into bumpy ride for Boeing April 21, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 18. April 18, 2025
Bjorn’s Corner: The challenges of hydrogen. Part 17. Hydrogen airliner program
December 11, 2020, ©. Leeham News: We use this Corner to define the time table for our hydrogen airliner program and for what areas we need to conduct risk-reducing research before we embark on an actual design. As… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 16. A Hydrogen airliner
December 4, 2020, ©. Leeham News: To dig a level deeper into the challenges of hydrogen airliners, as a next step we design such a plane (on a high level), now that we have covered the basics. It… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 15. Hydrogen cost
November 13, 2020, ©. Leeham News: In our series on hydrogen as an energy store for airliners, we now look at the cost of hydrogen. The current cost-efficient production is predominantly by reforming natural gas, meaning it’s a… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 13. The supply of Hydrogen
October 30, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we now address the problem of liquid hydrogen supply for air transport. Before we go into the ecosystem and its costs,… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 12. Safety
October 23, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look deeper at the safety of a hydrogen airliner. Do the safety rules for the aircraft or the airport need… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 11. Emissions
October 2, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look deeper at the emissions from a hydrogen airliner and compare it to the emissions from today’s carbon fueled aircraft.
Airbus announces zero-emission airliner concepts.
By Bjorn Fehrm September 21, 2020, © Leeham News: Airbus held a webcast today, announcing three zero-emission airliner concepts called the ZEROe line (Figure 1). The two conventional designs, the turbofan airliner and the turboprop use hydrogen as… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 9. Hydrogen Gas Turbines
September 18, 2020, ©. Leeham News: In our series on hydrogen as an energy store for airliners we analyze the conversion of the present Turbofan and Turboprop airliner engines to hydrogen as fuel instead of carbon-based fuels. We… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 8. Fuel cell electric or Turbofan propulsion?
September 11, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at whether we use an LH2 burning Turbofan as propulsion or as the EU study proposed, a Parallel Hybrid… Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 7. The fuel system.
September 4, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at the rest of the fuel system after we looked at the hydrogen tanks over the last weeks. The… Read More