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
Pontifications: NASA pulls the plug on electric airplanes
Some odds and ends after three weeks on the road. NASA pulls the plug on electric airplane research. NASA and Boeing’s Transonic Truss Brace Wing contract. Engines and the TTBW. July 18, 2023, © Leeham News: When NASA… Read More
Alaska Airlines announces hydrogen-electric partnership with ZeroAvia
By Bryan Corliss May 2, 2023 © Leeham News – Two-and-a-half years ago, a hydrogen-powered regional aircraft for Alaska Airlines was a caffeine-fueled brainstorm, the airline’s head of development said. Two-and-a-half years from today, the flight of this… Read More
UPDATED: All-electric Eviation Alice takes 1st flight
By Bryan Corliss Sept. 27, 2022 © Leeham News: The battery-powered Eviation Alice has flown for the first time. The nine-seat aircraft, powered by twin electric propeller motors assembled by Eviation’s sister company, magniX, rotated up and took… Read More
P&W, Collins Aerospace launch hybrid-electric demonstrator
By Scott Hamilton July 18, 2022 (BST), © Leeham News: Pratt & Whitney and sister company Collins Aerospace announced the launch of a hybrid-electric technology demonstrator, it was announced today at the Farnborough Air Show. This program is… Read More
Pontifications: Bringing some reality on electric airplanes
Nov. 15, 2021, © Leeham News: The momentum and press about electric airplanes is spinning out of control. Earlier this month, there was an article from one of the most respected news organizations by a reporter who apparently… Read More
The true cost of Electric Aircraft. Part 2.
Subscription Required By Bjorn Fehrm Introduction July 8, 2021, © Leeham News: Last week, we looked at the cost of running an electric 19 seat airliner based on energy stored in batteries. We found the energy costs were… Read More
The true cost of Electric Aircraft
Subscription Required By Bjorn Fehrm Introduction July 1, 2021, © Leeham News: In our Friday Corners, we analyze the development challenges of aircraft. We will launch a concrete project Friday where we intend to develop a 19 seat… Read More
Pontifications: Electric aircraft builder poised to start production near Everett
By Bryan Corliss Jan. 18, 2021 © Leeham News — Western Washington aviation enthusiasts may need to send out an extra Valentine this year, addressed to Alice – the nine-passenger electric aircraft being developed by Eviation. Sometime around… Read More
Hydrogen, electric and hybrid alternatives not here yet
By Scott Hamilton Sept. 25, 2020, © Leeham News: Commercial aviation has had 70 years to use jet fuel safely. It’s unclear how long it will take to reach the same level of safety with hydrogen, say Boeing…. Read More
Bjorn’s Corner: The challenges of Hydrogen. Part 8. Fuel cell electric or Turbofan propulsion?
September 11, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at whether we use an LH2 burning Turbofan as propulsion or as the EU study proposed, a Parallel Hybrid… Read More