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How Did A Jt4 Powered B707 Or DC8 Sound?  
User currently offline747400sp From United States of America, joined Aug 2003, 4244 posts, RR: 2
Posted (9 years 5 months 3 weeks 5 days 14 hours ago) and read 5070 times:

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

3 replies: All unread, jump to last
User currently offlinehappy-flier From Canada, joined Dec 1999, 299 posts, RR: 0
Reply 1, posted (5 years 1 month 2 weeks 2 days 18 hours ago) and read 4343 times:

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.
User currently offlineImperialEagle From United States of America, joined Jan 2006, 2630 posts, RR: 20
Reply 2, posted (5 years 1 month 2 weeks 2 days 1 hour ago) and read 4238 times:

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!"
User currently offlineChamonix From France, joined Mar 2011, 434 posts, RR: 3
Reply 3, posted (5 years 1 month 2 weeks 1 day 23 hours ago) and read 4217 times:

Hear the DC-9 powering up @ 3:40

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

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