NOVEMBER 2016 | 15 new 777X jetliner. The new engine inlet will be 15 feet (4.5 meters) in diameter—the largest built for a commercial jetliner. Whereas new airplane programs come on line roughly every 10 years, propulsion packages are upgraded at a more rapid rate, according to Rob Thayer, Propulsion Systems Division director of operations. Propulsion represents about a third of the airplane cost, so the division is steadily evolving to capture performance and process gains, he said. “Propulsion is really an exciting place to be right now,” Thayer said. Aftermarket options offered through Boeing’s Commercial Aviation Services and Everett’s Propulsion Systems Division involve quick engine-change kits as airlines build their fleets. Customers want spare engines on hand and people to assemble them with Boeing components. Boeing makes its technical assistance available worldwide. Everett offers an aftermarket repair station, plus an inlet rework area. It also has fostered a close relationship with the four main jet engine manufacturers, at one time
Frontiers November 2016 Issue
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