N863DA From United States of America, joined Sep 2004, 48 posts, RR: 6
Reply 3, posted (14 years 3 weeks 2 days 8 hours ago) and read 1750 times:
L-1011 TriStars have a very distinctive sound. It's difficult to describe but its a very harmonious sound (not a roar, more a whine) and music to the ears if you like that kind of thing. 757s with RB.211s don't sound the same, and nor do 747-236s with RR engines. It's a sound distinctive to the L10.
TriStar500 From Germany, joined Nov 1999, 4695 posts, RR: 42
Reply 6, posted (14 years 3 weeks 1 day 11 hours ago) and read 1674 times:
I will definitely remember the engine start sound of the TriStar's RB211's for the rest of my life! Geez, this dark, rolling whine sent vibrations through my entire body whenever I was watching them while they were still common in DUS.
It's a pity LTU got rid of them - I'm really missing them :-( .
P.S.: The sight of a TriStar hot start is pretty awesome, too. Everyone who's witnessed that will know what I mean.
Homer: Facts are meaningless. You could use facts to prove anything that's even remotely true!
MEA-707 From Netherlands, joined Nov 1999, 4329 posts, RR: 35
Reply 8, posted (14 years 3 weeks 1 day 10 hours ago) and read 1669 times:
My favorite sound is of the 707s and DC-8s PW JTD3s. When they get nearer to you, their characteristic whine/scream gets louder majestatically... oh, I love it so much I'd even buy a CD with 707 sounds on it.
And everyone probably knows the Rolls Royce Dart turboprop, which also has some kind of high scream in it (F-27, Viscount, YS-11, 748). So great...
And it's a pity I have never heard the Rolls Royce Avon (Caravelle series I-VI, Comet) in person (OK, a few seconds at the flypast of the Canopus). Anyone remember how they sounded?
nobody has ever died from hard work, but why take the risk?
TurboTristar From , joined Dec 1969, posts, RR:
Reply 11, posted (14 years 3 weeks 1 day 8 hours ago) and read 1653 times:
I know some of those two. I can sometimes identify an MD-80 from inside the house. They just have a plain loud engine roar. The 717's are easy to identify on takeoff. They have a low soft roar with some background whine in it. And who couldn't recognize a 747 sound. I think the best of em all were the Tristars. Every week I would go to STL with my mom and sister and obserb the classic widebodies there. I go crazy over the Tristar engines when it is taking off above you. First, you hear the doppler affect of the engines that almost sounds like a prop. But then as it gets over your head, the engine roar starts to blast in! I am getting chills right now !!!!!!
APP From United Kingdom, joined Feb 2000, 546 posts, RR: 6
Reply 13, posted (14 years 3 weeks 1 day 7 hours ago) and read 1646 times:
Just wondering, but surely the aircraft are more difficult to identify than described. I would have thought that a 747 with RR engines would sound different to a 747 with P&W engines. Or does the fact that they are powering the same aircraft give the same effect.
Redngold From United States of America, joined Mar 2000, 6907 posts, RR: 44
Reply 16, posted (14 years 3 weeks 1 day 5 hours ago) and read 1625 times:
I really don't know the different engine types.
My knowledge of acoustics tells me that the different engines will sound different on the same airliner, and the same brand engines on different models will also sound different. This is because the structures of the engines and the structures of the planes have specific vibration frequencies and so when you mix and match different structures and different engines you get different sounds.
To make an analogy -- it's like what would happen if you transplant a larynx (voice box) from one person to another. The person with the transplant won't have his/her voice back the same as before, yet it won't be the same voice as of the person who donated the voice box.
Does this make sense?
Obviously sound also has to do with the air qualities at the time you're listening, as well as other background noise, your location, your own ears...
BTW, I'me very pleased to see so much interest in this topic!
Ilyushin96M From United States of America, joined Sep 1999, 2609 posts, RR: 12
Reply 19, posted (14 years 3 weeks 1 day 2 hours ago) and read 1609 times:
Anyone who's ever been near an airport the Concorde services regularly knows the gargantuan roar from its four RR Olympus engines. It's unmistakable, even compared to fighter jets and Russian jetliners, which are pretty loud.
Once, I was at the end of the runway at Brown Field in San Diego, waiting for an Air France Concorde to take off from the airshow. The thing I remember is that tremendous roar and a cloud of exhaust from the other end of the runway, and as it approached, the roaring increased, then the Concorde rotated and lifted off, and I could hear the actual engines themselves - the unmuffled whine of fighter jet engines - then the ear-splitting, window-shattering cacophony of the jet at full thrust, afterburners flaming, as it winged overhead.
There has never been, nor will there ever again be, ANYTHING like the Concorde!!!