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 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

Pontifications: Embraer’s China ambitions

March 22, 2021, © Leeham News: Embraer wants to become a big player in China. “We see a huge market potential there,” said Arjan Meijer, CEO of Embraer Commercial Aviation, in an interview with Nikkei Asia. The news… 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

Pontifications: AerCap and GECAS to combine — assessing the impact

March 15, 2021, © Leeham News: GE Corp.’s decision to sell its mega-leasing unit, GECAS, to AerCap represents a huge shift in commercial aviation. For decades, GECAS was the largest lessor in the world. One of GE’s best… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 28. Airbus priorities

March 12, 2021, ©. Leeham News: I had the chance to talk about Sustainable Air Transport with Airbus VP Zero Emission Aircraft, Glenn Llewellyn, in the week. The discussion centered around Airbus’ overall direction and the targets with… Read More

The A350, Part 8 A350-1000 Intro

Subscription Required By Vincent Valery Introduction   Mar. 4, 2021, © Leeham News: After assessing the performance of the A350-900 and its ULR variant, we now turn our attention to the largest A350 variant, the -1000. It entered service… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 26. Auxiliary power

February 26, 2021, ©. Leeham News: Last week we discussed auxiliary power generation for a hydrogen aircraft and found that a fuel cell system had many attractions. However, it’s more challenging to develop than a hydrogen-converted APU, and… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 25. Auxiliary power

February 19, 2021, ©. Leeham News: Last week we discussed hydrogen aircraft propulsion and found a shaft power producing gas turbine was considerably more weight-efficient than a fuel cell powering an electric motor. Both had the same 55%… Read More

Podcast: 10 Minutes About Sustainable Air Transport

Feb. 16, 2021, © Leeham News: Electrically powered aircraft. Or hybrids. Or bio-fuels. Or hydrogen. These are the alternative suggested by environmentalists and industry to reduce carbon emissions by the airlines. Which makes sense? Which is practical? Today’s… Read More