De-carbonisation of air transport is ON

By Bjorn Fehrm July 20, 2021, © Leeham News: Last week was a game-changing week for air transport. Three events synchronized to trigger it. EU presented 13 policies to achieve net-zero greenhouse gas emissions by 2050 with concrete… Read More

Bjorn’s Corner: The challenges of airliner development. Part 12. The Prelaunch Phase.

July 16, 2021, ©. Leeham News: Last week, we showed the first cut of an overall Program Plan for our 19 seat airliner project. Now we discuss the Prelaunch Phase activities in more detail, including what type of… Read More

Bjorn’s Corner: The challenges of airliner development. Part 11. The Program Plan.

July 9, 2021, ©. Leeham News: Now that we have done the basic market research we should scope the program. To do this we need to understand what aircraft we will develop and to what certification rules. Our… Read More

The true cost of Electric Aircraft. Part 2.

Subscription Required By Bjorn Fehrm Introduction   July 8, 2021, © Leeham News: Last week, we looked at the cost of running an electric 19 seat airliner based on energy stored in batteries. We found the energy costs were… Read More

The true cost of Electric Aircraft

Subscription Required By Bjorn Fehrm Introduction   July 1, 2021, © Leeham News: In our Friday Corners, we analyze the development challenges of aircraft. We will launch a concrete project Friday where we intend to develop a 19 seat… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 33. Wrap-up: The Eco-system

April 16, 2021, ©. Leeham News: Last week, we wrapped up the operational part of sustainable air transport using hydrogen as an energy source. Now we look at where we are with the all-important Eco-system. It has many… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 32. Wrap-up: Going forward

April 9, 2021, ©. Leeham News: Last week we made a summary of the history of initiatives for sustainable aviation, now we look at the likely developments over the next 10 years. What is the likely development for… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 31. Wrap-up: Where we stand

April 2, 2021, ©. Leeham News: It’s time to wrap up our series on the hydrogen airliner alternative for Sustainable Commercial Aviation. We review the status for sustainable aviation as of today, then look at the future next… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 30. Integrated nacelles.

March 26, 2021, ©. Leeham News: This week, we look at combining the propulsion and hydrogen tank in an integrated nacelle as Airbus proposes in Figure 1. Airbus calls it its “pod” solution. What are the advantages, and… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 29. Gas turbine heat management.

March 19, 2021, ©. Leeham News: This week we look deeper into the gains we can have for a hydrogen gas turbine-propelled airliner. The ideas stem from the work of Chalmers Professor T. Grönstedt’s team in different EU… Read More