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Thread: Why don't we see the glow of jet engines at night
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Old Oct 22, 2016 | 9:27 pm
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YVR Cockroach
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Originally Posted by dsdwe234sfd23
Afterburners are extremely inefficient with fuel.
Fuel essentially dumped straight into the exhaust.

I had thought the old low bypass engines that powered the early 707s may have showed some flames but apparently not (long time since I last saw one take off).
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