March 11, 2022, ©. Leeham News: After our articles about Serial Hybrids and Parallel Hybrids showed they were unsuitable for airliners, where do these make sense? The obvious answer is for our stop-and-go cars (as we then can… Read More
Subscription required By Bjorn Fehrm March 4, 2022, ©. Leeham News: This is a complementary article to Part 9. Parallel Hybrid. It uses Leeham Company’s Aircraft Performance Model from our consultancy practice to analyze the design of a… Read More
February 25, 2022, ©. Leeham News: This is a summary of the article Part 8P. Serial Hybrid, the deeper discussion. We take an ES-19 type of battery aircraft and add a range extender to avoid the inadequate range… Read More
Subscription required By Bjorn Fehrm February 11, 2022, ©. Leeham News: This is a complementary article to Part 6. Energy consumption. It uses the Aircraft Performance Model from our Consultancy practice to generate energy consumed data when we… Read More
Subscription Required By Bjorn Fehrm Introduction February 7, 2022, © Leeham News: The year that passed was when Sustainability broke through the walls of “I’m not convinced we have a problem” and “If so, what shall we do… Read More
January 28, 2022, ©. Leeham News: Having discussed where investments would be the most efficient in alleviating our Greenhouse gas problems and identified the low-hanging fruit, we now look at new technology airplanes that can improve the situation…. Read More
Subscription required By Bjorn Fehrm January 28, 2022, ©. Leeham News: This is a complementary article to the Part 4. Reality Checks article. It uses data from Leeham Company’s Aircraft Performance Model to develop the relationship between OEW… Read More
By Scott Hamilton Jan. 26, 2022, © Leeham News: The International Air Transport Assn’s Annual General Meeting in Boston last October focused on industry progress and goals toward a greener environment. In a fanfare series of panels and… Read More
By Bjorn Fehrm January 25, 2022, ©. Leeham News: Boeing and Wisk Aero yesterday had a media briefing on why Boeing is extending its investment in Wisk Aero with a further $450m. The main technology is not the… Read More
By Scott Hamilton Analysis Jan. 25, 2022, © Leeham News: The airline industry makes a splash about setting goals to become carbon neutral by a date certain. It also set a goal to reduce CO2 emissions in absolute… Read More