Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 14. Parallel Hybrid.

March 20, 2020, ©. Leeham News: In this week’s Corner, we continue our analysis of what it means for a regional airliner to go from Turbofan propulsion to Hybrid Electric propulsion. Last week, we looked at a Serial… Read More

Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 13. Serial Hybrid.

March 13, 2020, ©. Leeham News: In this week’s Corner, we address an often forgotten aspect of Electric and Electric-Hybrid aircraft design. The battery as an energy source, as the only or assisting source, has the same weight… Read More

Bjorn’s Corner: Why hybrid cars work and hybrid airliners have challenges

June 14, 2019, ©. Leeham News: In last week’s Corner we discussed why aircraft with batteries as an energy source will be short ranged for decades to come. The battery energy density is too low and it won’t… Read More

Airbus, Rolls-Royce and Siemens develops Hybrid-Electric demonstrator

By Bjorn Fehrm November 29, 2017, © Leeham Co.: Airbus, Rolls-Royce and Siemens yesterday announced they will fly a hybrid-electric demonstrator by 2020, E-Fan X (Figure 1). The aircraft, a BAe 146 four engine regional jet, will have… Read More

Southwest, the “legacy LCC,” part 1: Not keeping up with industry standards crimps unit revenue

Subscription Required By Judson Rollins Introduction  May 13, 2023, © Leeham News: Southwest Airlines, previously a longtime darling of investors and leisure passengers alike, struggles to find its footing now that the post-covid US domestic market is returning to… Read More

Outlook 2024: Milestone year for alternative energy development

Subscription Required By Scott Hamilton and Bjorn Fehrm Jan. 18, 2024, © Leeham News: Twenty twenty four is 10 years after the Sustainable Aircraft discussions started when Airbus flew its battery-powered E-Fan before the world’s OEMs and press… Read More

Outlook 2024: Can ATR finally achieve its production target?

By Judson Rollins Jan. 15, 2024, © Leeham News: For the second year in a row, ATR fell short of its stated production targets. ATR delivered just 25 new aircraft in 2022 and 35 in 2023. The latter… Read More

2024 Outlook: A Mixed Bag for Propulsion OEMs

Subscription Required By Chris Sloan and Gordon Smith January 11, 2033, © Leeham News: In 2023, a slew of problems plagued propulsion providers, with Pratt & Whitney’s GTF Engine and supply-chain shortcomings grabbing the bulk of negative headlines… Read More

Outlook 2024: Embraer’s continued recovery

Subscription required By Bjorn Fehrm January 8, 2024, © Leeham News: Embraer was hit by a double whammy before and during COVID. The non-closure of the merger of Boeing’s and Embraer’s Commercial Aircraft Divisions and the halving of… Read More

Bjorn’ s Corner: New aircraft technologies. Part 43. Delivery

December 22, 2023, ©. Leeham News: We are discussing the different phases of a new airliner program. After covering the Design, Prototype phase, and Production, we now look at the first deliveries. After about seven to nine years… Read More