Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: New engine development. Part 4. Propulsive efficiency April 19, 2024
- Boeing unlikely to meet FAA’s 90-day deadline for new safety program April 18, 2024
- Focus on quality not slowing innovation, says GKN April 18, 2024
- Boeing defends 787, 777 against whistleblower charges April 17, 2024
- Dissecting Boeing CEO’s statement next new airplane will cost $50bn April 15, 2024
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 10. The problem in perspective.
February 21, 2020, ©. Leeham News: After spending several Fridays looking at different possibilities and technologies that can lower air transport’s environmental footprint we now turn the discussion to what path forward makes sense and how shall we… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 9. Hydrogen, cont.
February 14, 2020, ©. Leeham News: Last week we started looking at hydrogen as an alternative energy source for our air transport system. We discussed the use of hydrogen as a direct fuel replacement to jet fuel, burning… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 8. Hydrogen.
February 7, 2020, ©. Leeham News: After discussing established ways of improving the environmental footprint of our air transport system and highlighting the challenges involved with an electric/hybrid route we now look at hydrogen as an alternative energy… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 7. Efficiency of cars versus airliners.
January 31, 2020, ©. Leeham News: We now look at ways to increase the fuel efficiency of our airliner and by it, improve the CO2 situation for our environment. Let’s start with understanding where we are with the… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 6. The CO2 problem.
January 24, 2020, ©. Leeham News: In the last Corners we tested some of the ideas why electric/hybrid propulsion would be more efficient and found the ideas could be easier and better implemented with existing technology, yet they… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 5. Distributed propulsion.
January 17, 2020, ©. Leeham News: We continue our series why e in ePlane shall stand for environment and not electric, where we now examine the gains with electric/hybrid distributed propulsion systems. We started last week with the… Read More
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 4. Boundary layer ingestion.
January 10, 2020, ©. Leeham News: We continue our series why e in ePlane shall stand for environment and not electric. Before we continue the discussion about low CO2 footprint propulsion opportunities we look into some of the… 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