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Questions tagged [dc-8]

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

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Why does the DC-8-70 have the same MTOW as the DC-8-60, despite its more powerful engines?

The DC-8-70 is a more-or-less straight reengine of the DC-8-601, replacing the obsolete JT3D-3B low-bypass turbofans of the DC-8-60 with the CFM56-2C1 high-bypass turbofan. According to Wikipedia, ...
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When, exactly, were the DC-8’s airbrakes removed?

The DC-8 was originally equipped with airbrakes on the lower rear fuselage, but these were quickly removed. Wikipedia says that they were removed before the DC-8 entered service: [...] Douglas ...
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Why was the DC-8-70 successful, but not the 707-700?

The first high-bypass turbofan small enough to use on a narrowbody jetliner was the GE/SNECMA CFM56, which entered service in the late 1970s as an upgrade engine for the KC-135 tanker; Boeing almost ...
15
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What makes it safe for the DC-8 to use reverse thrust in flight?

For most jets, the use of reverse thrust to slow down in flight, where even possible, is extremely dangerous, and strictly prohibited. Not so on the DC-8, which is certified for the safe in-flight ...
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What is this ring-shaped device behind this DC-8's jet engine?

What is this ring-shaped device behind this Douglas DC-8's jet engine? (YouTube)