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How Did A Jt4 Powered B707 Or DC8 Sound?

Mon Dec 04, 2006 6:46 am

I know the jt4 was only an turbo jet and most jt4 powered jets was retired before I could tell the difference in jet engines sound. Did it sound like a more like jt3 or jt8 or did it have it own sound. If any body herd a B707 or DC8 powered by jt4, please tell they how sound?  Smile
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RE: How Did A Jt4 Powered B707 Or DC8 Sound?

Tue Apr 12, 2011 2:22 am

Replying to your post very late, but nevertheless, here is an answer for you.

This is perhaps the one and only video clip of a JT4-powered DC-8 (series -20) aircraft, where you can at least hear a bit of the engine sound. Unfortunately, when it flies by, the engines are not revving that high, so it "appears" to sound quiet. But wait after the fly-by, and you can hear the muffled boom of the exhaust as the jet completes its wave and begins to climb.

May the wind be always at your back . . . except during takeoff & landing.
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RE: How Did A Jt4 Powered B707 Or DC8 Sound?

Tue Apr 12, 2011 8:01 pm

Sounded more like the JT-3 (with the organ-pipes). It definitely did not sound like the JT-8D. However, IMO the JT-3 without the organ-pipes was in a class all of it's own.
"If everything seems under control, you're just not going fast enough!"
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RE: How Did A Jt4 Powered B707 Or DC8 Sound?

Tue Apr 12, 2011 9:31 pm

Hear the DC-9 powering up @ 3:40

[Edited 2011-04-12 14:32:14]

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