Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- The Boeing 767 Cross Section, Part 1 November 24, 2022
- Movie Review: Devotion November 21, 2022
- China will accelerate development of its commercial aerospace sector November 21, 2022
- Bjorn’s Corner: Sustainable Air Transport. Part 46. eVTOL comparison with helicopter November 18, 2022
- The economics of a 787-9 and A330-900 at eight or nine abreast November 16, 2022
“The music will stop” because aviation will miss target “green” deadlines: Boeing’s Calhoun
Subscription Required By Scott Hamilton David Calhoun. Source: Boeing. Oct. 24, 2022, © Leeham News: Boeing CEO David Calhoun believes that the plethora of concepts for shifting to “green” aviation may be confusing policymakers. And, he says, the… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 23P. Fuel Cell-based 70-seat airliner. The deeper discussion.
Subscription required June 10, 2022, ©. Leeham News: This is a complementary article to Part 23, Fuel Cell-based 70-seat airliner. It analyses the masses and efficiencies of a 70-seat airliner equipped with the fuel cell-based propulsion systems we… Read More
Pontifications: Next new mainline jet likely will be conventionally powered
May 9, 2022, © Leeham News: Pratt & Whitney thinks a hybrid-electric propulsion system might be ready for installation on the next new airplane from Boeing or Airbus by 2031. But more likely is that the new airplane,… Read More
Airbus aggressively seeks to reduce corporate, industry emissions footprint
Subscription Required By Scott Hamilton April 25, 2022, © Leeham News: Airbus is charging ahead with its ZEROe ecoAviation research and development, focused on hydrogen (H2) power while supporting efforts for Sustainable Aviation Fuel in the meantime. Airbus… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 11. Hydrogen and SAF.
March 18, 2022, ©. Leeham News: In our series, we have now seen the major limitations batteries as an energy source impose on an airliner and that hybrids work but don’t bring any advantages for an airliner. The… Read More
Airbus readies hydrogen-powered demo flights
Update, Feb. 21: Airbus announced today a press conference tomorrow in Toulouse. By Scott Hamilton Feb. 8, 2022, (c) Leeham News: Airbus plans to fly a hydrogen-fueled ZEROe demonstrator soon, with an announcement coming as early as this… Read More
Pontifications: Biofuels, hydrogen, batteries are nice but far in the future. Solution exists now.
Oct. 11, 2021, © Leeham News: EcoAviation was the Number One topic at the Oct. 3-5 IATA AGM in Boston. IATA, the International Air Transport Assn., set a number of lofty goals to remove carbon emissions from commercial… Read More
IATA AGM: Airplanes, engines SAF capable coming; feedstock lags by years
Subscription Required By Scott Hamilton Introduction Oct. 4, 2021, © Leeham News: Engine and airframe makers are well on their way to becoming fully capable of using Sustainable Aviation Fuel (SAF). But the industries providing SAF are way… Read More
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