Leeham News and Analysis
There's more to real news than a news release.
There's more to real news than a news release.
Leeham News and Analysis
- Boeing came close to running out of cash in 4th quarter January 23, 2025
- Hexcel Earnings: Returning to Pre-Pandemic Revenues, Ready for Rate Increases, but MAX Remains A Wild Card January 23, 2025
- GE FY and Q4 2024 Earnings Power Above Consensus Driven By Services While LEAP Makes Durability Strides January 23, 2025
- Earnings: Pay closer attention to the supply chain than to the OEMs January 23, 2025
- A321neo continues upward market share; good luck hitting rate 14/mo for the A220 January 20, 2025
Bjorn’s Corner: Sustainable Air Transport. Part 22. Fuel Cell system efficiency and mass
June 3, 2022, ©. Leeham News: Last week, we looked at the powers and thermals of a Fuel Cell system for aircraft propulsion. Our example was a cryogenically cooled system with a superconducting Motor, Inverter, and Cabling. Now… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 22P. Fuel Cell system efficiency and mass. The deeper discussion.
Subscription required June 3, 2022, ©. Leeham News: This is a complementary article to Part 22, Fuel Cell system efficiency and mass. It analyses the power, loss, mass, and efficiency consequences of the different fuel cell architectures described… Read More
One or Two hops cheapest for long flights? Part 2
Subscription Required By Bjorn Fehrm Introduction June 2, 2022, © Leeham News: We tested the notion that it’s more economical to divide a long flight into two shorter flights last week. The test was a typical long-range flight… Read More
