GTF’s troubled history hurting future orders

Subscription Required By Scott Hamilton and Bjorn Fehrm May 8, 2023, © Leeham News: India’s GoFirst Airlines filed for bankruptcy last week. The carrier pointed to around 29 of its 50 Pratt & Whitney Geared TurboFan-powered Airbus A320neos… Read More

Bjorn’s Corner: Aircraft technology developments. Part 1.

February 24, 2023, ©. Leeham News: In the Sustainable Air Transport series we finished last week, we described new aircraft technologies developed to reduce Green House Gas (GHG) emissions. There was one area we didn’t discuss, the progress… Read More

Engine OEMs pushing ahead for next airplane, even as Boeing pauses

Subscription Required By Scott Hamilton Nov. 1, 2021, © Leeham News: David Calhoun may not be anywhere near ready to launch the Next Boeing Airplane (NBA), but the engine makers are actively researching and developing engines to hang… Read More

IATA AGM: Airplanes, engines SAF capable coming; feedstock lags by years

Subscription Required By Scott Hamilton Introduction Oct. 4, 2021, © Leeham News: Engine and airframe makers are well on their way to becoming fully capable of using Sustainable Aviation Fuel (SAF). But the industries providing SAF are way… Read More

Bjorn’s Corner: Geared turbofans

January 13, 2017, ©. Leeham Co: The time has come to go through the reasons why some turbofan engines are designed with a gearbox between the fan and the low pressure shaft. The principle design is shown in… Read More