article thumbnail

Alcoa unveils first aluminum alloy fan blade forging for jet engines; $1.1B supply agreement w/ Pratt & Whitney

Green Car Congress

The unique Geared Turbofan architecture of the PurePower engine allows for aluminum alloys to be used in the Pratt & Whitney designed fan blades, making the engine lighter, as well as more fuel and cost efficient. The increased efficiency also translates to fewer engine stages and parts for lower weight and reduced maintenance costs.

Supplies 218
article thumbnail

Grounded Boeing Max 9 Jets Could Resume Flying Within Days

Baua Electric

On Wednesday, the agency approved a set of inspection and maintenance procedures and said airlines could resume flying the jets once the checks were complete. The Federal Aviation Administration grounded about 170 Max 9 planes on Jan. leaving a gaping hole in the side of the jet.