TULSA, Okla. — Parts and labor shortages. Delayed deliveries of new airplanes from Boeing and Airbus. An engine recall. Premature repairs. It's all piling up, and aircraft engine shops around ...

aircraft manufacturers began exploring alternatives to the four-engine model. This led to the rise of tri-jets like the McDonnell Douglas DC-10 and Lockheed L-1011, which offered slightly better ...

Especially if the airplane has a motor, this has a huge potential impact on weight. For this reason, [gzumwalt] embarked on his own self-imposed challenge to build an engine with the smallest ...

On another trip, we put both of the airplane’s twin-row R-2600 radial engines on the trailer together ... an early pre-ejection-seat model. Oddest of those we hauled that year, a wrecked ...

Langley’s first successful flying model, in 1896, was steam driven. Maxim worked on the idea. But no full size airplane flew. And before one did, Charles M. Manly had built a gasoline engine ...