nwafflyer
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Speed

Sat Aug 07, 2004 11:56 pm

What is the fastest commerical plane out there now? I mean in service with a regularly scheduled airline, so the Concorde doesn't count. How many commerical jets have broken the sound barrier?
 
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Starlionblue
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RE: Speed

Sun Aug 08, 2004 12:10 am

Approximately:
1. Cessna Citation X
2. Boeing 747
3. Boeing 777

Many commercial jets have broken the sound barrier, though in some cases this was not planned..
"There are no stupid questions, but there are a lot of inquisitive idiots."
 
nwafflyer
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RE: Speed

Sun Aug 08, 2004 12:14 am

Thanks, I thought the Citation was right up there, but it's not part of any airline fleet that I'm aware of, is more a corporate jet. How can I find out more information about planes that have broken the sound barrier?
 
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Starlionblue
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RE: Speed

Sun Aug 08, 2004 12:20 am

Ask on A.nut and take the answers with a pinch of salt Big grin

IIRC, these have broken it:
- DC-8 in testing.
- Citation X in testing.
- 747 in dive following engine flameout.
- Convair 990?
"There are no stupid questions, but there are a lot of inquisitive idiots."
 
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TS-IOR
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RE: Speed

Sun Aug 08, 2004 1:26 am


...when i see high level traffic, B744 seems to be the faster !!!
 
Ralgha
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RE: Speed

Sun Aug 08, 2004 1:42 am

Citation X is the fastest, but it's not used by an airline, so it doesn't really count for this thread.
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Starlionblue
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RE: Speed

Sun Aug 08, 2004 1:53 am

Now we're getting into semantics.  Big grin Is NetJets an airline? It's arguable at best.
"There are no stupid questions, but there are a lot of inquisitive idiots."
 
nwafflyer
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RE: Speed

Sun Aug 08, 2004 2:03 am

What is NetJets? Anyway, still looking for information on the sound barrier - does it happen only in a steep dive, or can any of the current commerical airliners actually go that fast?
 
Ralgha
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RE: Speed

Sun Aug 08, 2004 2:22 am

Is NetJets an airline? It's arguable at best.

I don't see the arguable part...it's not an airline. Quite plain to me.
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QantasA332
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RE: Speed

Sun Aug 08, 2004 6:41 am

Anyway, still looking for information on the sound barrier - does it happen only in a steep dive, or can any of the current commercial airliners actually go that fast?

No current commercial airliners can exceed M1.0 in level flight - the only circumstance under which M1 would ever be reached is in a dive. Oh and I suppose if there was a large enough headwind (on the order of 160 mph), your airspeed could theoretically get up to M1 then, as well.  Big grin

As for the very fastest, it's currently the B747-400, which is capable of approximately M0.885. I've explained how this has to do with the "area rule" and the 744's bulging upper deck before, so a quick search should fill you in.

Cheers,
QantasA332
 
t1210s
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RE: Speed

Sun Aug 08, 2004 7:56 am

What's the fastest plane ever?
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JeffDCA
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RE: Speed

Sun Aug 08, 2004 8:14 am

What's the fastest plane ever?

Lockheed SR-71 Blackbird  Smile

Cheers,

Jeff
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timz
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RE: Speed

Sun Aug 08, 2004 8:39 am

"What's the fastest plane ever?"

Depends what you mean by "plane". The space shuttle? The X-15?

If a "plane" has to take off under its own power, then far as anyone knows it's the SR-71.
 
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Starlionblue
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RE: Speed

Mon Aug 09, 2004 2:03 am

The SR-71 is the fastest airbreathing plane and, as Timz says, the fastest plane to take off under it's own power.

The X-15 is the fastest rocket powered plane.

And since no one has mentioned it yet, I will: Aurora.  Big grin


NetJets is a fractional ownership company, meaning that you buy a certain share in the use of an executive jet. NetJets provides the plane including crew and maintenance. You provide the cash and can use a plane for a given amount of hours each year.

It's not really an airline in the traditional sense, but aren't charter airlines simply you buying a share in the usage of the plane? It's a fuzzy distinction at best.
"There are no stupid questions, but there are a lot of inquisitive idiots."

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