Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing CEO promises company is turning around…again April 24, 2024
- Solid start for stand-alone GE Aerospace despite cuts to LEAP output April 23, 2024
- SPEEA, Boeing at impasse over safety program, union says April 23, 2024
- Better transparency needed on Boeing’s 1Q earnings call April 22, 2024
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
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 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
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 18. Low hanging fruit.
April 17, 2020, ©. Leeham News: We continue the summary of the series why e in ePlane should be more about environment focus than electric aircraft. Last week we summarized the high hanging fruit technologies pursued presently, now… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 17. High hanging fruit.
April 10, 2020, ©. Leeham News: We have since December 13, discussed why e in ePlane should not stand for electric and covered a lot of areas explaining why electric aircraft or hybrids are not the best way… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 12. Battery risks.
March 6, 2020, ©. Leeham News: We use this week’s Corner to discuss the safety hazards a change to an Electric or Hybrid-Electric airliner introduces. The trigger is two battery fires in six weeks for the electric aircraft… Read More
Environment and aviation, a gap between aspirations and reality
Subscription Required By Vincent Valery Introduction Jan. 20, 2020, © Leeham News: Talks about climate change and the need to reduce human-induced carbon emissions are nowadays a daily occurrence in Western media. After years of faster-than-trend growth in… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 3. Open rotor revisited.
January 3, 2020, ©. Leeham News: We continue our series why e in ePlane shall stand for environment and not electric. Our target is to lower air transport’s environmental footprint and we can achieve this more efficiently by… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 2. Fly shorter routes.
December 20, 2019, ©. Leeham News: We continue our series why e in ePlane shall stand for environment and not electric. If our target is to lower the environmental footprint from air transport we must have a target… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment. Part 1. Hype versus reality.
December 13, 2019, ©. Leeham News: The first all-electric commercial aircraft, a Harbor Air DHC-2 Beaver, flew over the Fraser River near Vancouver in the week (Figure 1). It was powered by a magniX electric engine fed with… Read More