Heart Aerospace’s revised ES-30, Part 3. UPDATED

Subscription required By Bjorn Fehrm October 24, 2024, © Leeham News: We analyze Heart Aerospace’s latest evolution of the hybrid ES-30. The latest version, presented in spring 2024, is a parallel hybrid, putting gas turbine turboprop engines outside… Read More

Heart Aerospace’s revised ES-30, Part 2

Subscription required By Bjorn Fehrm October 17, 2024, © Leeham News: We analyze Heart Aerospace’s latest evolution of the hybrid ES-30 (bottom aircraft in the picture), which replaces the original battery-based 19-seater (top aircraft) and the original ES-30… Read More

Heart Aerospace’s revised ES-30

Subscription required By Bjorn Fehrm September 26, 2024, © Leeham News: Heart Aerospace has revised its environmentally friendly aircraft for the third time. The variants started in September 2020, when Heart presented an all-electric, battery-based 19-seat airliner that… Read More

Bjorn’s Corner: Sustainable Air Transport. Part 6P. Energy consumption, the deeper discussion.

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

Bjorn’s Corner: Sustainable Air Transport. Part 4. Reality checks.

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

Bjorn’s Corner: Sustainable Air Transport. Part 4P. Reality checks, the deeper discussion.

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