747400sp
Topic Author
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Joined: Sat Aug 09, 2003 7:27 pm

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
 
Happy-flier
Posts: 287
Joined: Sat Dec 25, 1999 4:41 pm

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.

http://www.youtube.com/watch?v=q9xlNPp3UR0
May the wind be always at your back . . . except during takeoff & landing.
 
ImperialEagle
Posts: 2245
Joined: Sat Jan 14, 2006 10:53 am

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!"
 
Chamonix
Posts: 354
Joined: Sat Mar 05, 2011 1:31 pm

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
http://archives.tsr.ch/player/metiers-pilote

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

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