Questions tagged [dc-8]

A four-engined jetliner produced by Douglas, and, later, McDonnell Douglas, from 1958 through 1972.

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Why did the 707 and DC-8 continue to use the JT3D even after the JT8D became available?

Pratt & Whitney’s first-generation turbofan was the JT3D (a derivative of the company’s first-generation turbojet, the JT3C), which entered service in March 1961, and, due to its greater power and ...