Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Boeing CEO: Lessons learned are key to certification of 737-7/10 and 777X June 2, 2025
- Digital twin is a key to JetZero’s hopes for Blended Wing Body entry June 2, 2025
- Bjorn’s Corner: Air Transport’s route to 2050. Part 24. May 30, 2025
- Does an A220-500 need a new wing and engines? Part 3. May 29, 2025
- Boeing’s future depends on FAA approvals May 26, 2025
Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 11. More electric aircraft.
February 28, 2020, ©. Leeham News: We now look at technology developments that make sense, and can deliver real improvements in the near future. We start in this Corner with what more electric aircraft and engines can bring.
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 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 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
Airbus CEO says the airline industry must cut carbon emission with 50% by 2050
By Bjorn Fehrm June 18, 2019, ©. Leeham News: Airbus new management team has set the company ambitious targets for the future. These not only describe how to develop and produce new, more competitive airliners but also defines… Read More
Bjorn’s Corner: Why hybrid cars work and hybrid airliners have challenges
June 14, 2019, ©. Leeham News: In last week’s Corner we discussed why aircraft with batteries as an energy source will be short ranged for decades to come. The battery energy density is too low and it won’t… Read More
Bjorn’s Corner: Why Electric Cars work and Airliners don’t
June 7, 2019, ©. Leeham News: In last week’s Corner I wrote: “The reason electric cars work and airliners don’t is the Sky lacks Stoplights“. The discussion was part of my previous series on Electric aircraft, but it… Read More
Bjorn’s Corner: Electric aircraft, the first fall on the Hype curve
May 31, 2019, ©. Leeham News: Last week the new Airbus CTO, Grazia Vittadini, said we should not expect electric aircraft anytime soon when presenting at Airbus Innovation days. What is realistic is hybrid developments, not battery-based designs…. Read More
Zunum Aero is betting on better batteries tomorrow and the day after
By Dan Catchpole danieljcatchpole(at)gmail(dot)com Subscription Required Introduction Oct. 15, 2018, © Leeham News: Battery technology today leaves a lot to be desired. The energy density of even the most advanced batteries are a sliver of the density in… Read More