5,000mph

gt4 · Mar 28, 2004

Scramjet

well thats pretty fast although it seems a waste to me that they spend 250 million for a 6 minute flight.

Rumple Foreskin · Mar 28, 2004

It's not a complete waste. This technology is going to be implemented in the future.

Mach 7 is way cool. :cool:

Rossell · Mar 28, 2004

People can often get blood cots from going at 500Mph in your average plane.

What about at 5,000Mph?

How are they going to disspell that?

ExigeEvan · Mar 28, 2004

you get blood clots from staying still too long. At Mach 7, you arent going to be sitting down for long, well only if you plan on leaving the planet.

Ev0 · Mar 28, 2004

Sad to see that the X-15 no longer holds the speed record

At the bottom of the article NASA said they might be testing vehicles at mach 10 by the end of the year :eek:

daan · Mar 28, 2004

It also could drastically cut the time of commercial flights -- perhaps shortening the trip between New York and London to less than five hours.

Sorry if I fail to be impressed at that. :confused:

The SR-71 could do it in 2 hours. Concorde could do it in 3.

And Ev0, the X-15 will still hold the rocket propelled speed record.

Ev0 · Mar 28, 2004

Originally posted by daan
Sorry if I fail to be impressed at that. The SR-71 could do it in 2 hours. Concorde could do it in 3.

Now that you mention it, a scramjet propelled aircraft could probably make the trip in something like an hour (the SR-71 travels at about mach 3.5 at about 100,000ft while the scramjet aircraft travelled at mach 7 at the same altitude).

daan · Mar 28, 2004

Yeah, maybe the 5 is right and they meant 50 minutes. In 5 hours they could go New York - Tokyo - London

Rossell · Mar 28, 2004

Apparently the test flight managed to go at 5,000Mph then plunge into the sea.

Hows the bloody thing supposed to slow down?

Ev0 · Mar 28, 2004

Once the engines cut out, it will be as if the plane was flying into a mach 7 wind storm. But since the atmoshphere is much less dense at 100,000 ft, I would assume there is some sort of airbrake to help slow it down, unless they want it to glide all the way to Hawaii :lol:

The359 · Mar 28, 2004

Originally posted by gt4
well thats pretty fast although it seems a waste to me that they spend 250 million for a 6 minute flight.

Our first space flight lasted only around 20 minutes and didn't even reach orbit.

Giancarlo · Mar 28, 2004

I find it really amazing that what took the B-52 Bomber an hour, the Pegasus was able to do in 10 minuts. That's just plain cool.

skylineGTR_guy · Mar 28, 2004

Originally posted by Rossell
People can often get blood cots from going at 500Mph in your average plane.

What about at 5,000Mph?

How are they going to disspell that?

Coumadin

(for those of you who don't know what it is, it's a blood thiner...but also used to kill rats by making the blood so thin that it cant stay in their blood vessels)

Ev0 · Mar 28, 2004

Originally posted by skylineGTR_guy
Coumadin (for those of you who don't know what it is, it's a blood thiner...but also used to kill rats by making the blood so thin that it cant stay in their blood vessels)

So what you're saying is that the blood leaks out of the vessels?

Famine · Mar 28, 2004

The Shuttle is in excess of Mach 25 upon re-entry. I fail to be impressed.

The359 · Mar 28, 2004

Yes, but the shuttle also isn't under power during re-entry.

Ev0 · Mar 28, 2004

Originally posted by Famine
The Shuttle is in excess of Mach 25 upon re-entry. I fail to be impressed.

Someone's a bit picky today

emad · Mar 28, 2004

Originally posted by Famine
The Shuttle is in excess of Mach 25 upon re-entry. I fail to be impressed.

the shuttle reaches those speeds and is Piloted...well, it at least carries people and is piloted during the landing. The SR71 is piloted, same with concorde and the X-51 - all are manually controlled by a pilot. This thing, in my opinion, is nothing more than a mach 5 missile. Put someone inside to guide it and I'll be impressed

Famine · Mar 29, 2004

Originally posted by The359
Yes, but the shuttle also isn't under power during re-entry.

I was going to add that, but couldn't be bothered. It's not exactly piloted either - it just plummets to Earth with all the aerodynamic ability of a very large cathedral.

But hell, wouldn't you love to be on board at 17,500mph (assuming NASA have done their job and not given you a death sentence due to complacency)?

Concorde once flew around the Earth and landed at the same point quicker than the sun did. Concorde ruled.

emad · Mar 29, 2004

Originally posted by Famine
Concorde once flew around the Earth and landed at the same point quicker than the sun did. Concorde ruled.

correct me if i'm wrong, but wasn't that done by a group of rich people on y2k in order to celebrate the new year in every time zone?

Famine · Mar 29, 2004

I've heard of it before then too - they did a package called "The Longest Day". Besides, Concorde was still grounded after the Paris Crash from 1999 to 2001.

And it HAD to be rich people. No-one else could afford to even LOOK at Concorde.

Jpec07 · Mar 29, 2004

I thought that we had reached mach 12 already (ever hear of a little thing called pulse-ignition propulsion)? I'm not sure if it's just tabloid stuff, but it's pretty cool (I'm pretty sure that it's not, seeing as how I saw it in Popular Science a couple months ago). Anyway, I heard about the test-flight of the new jet, pretty cool stuff...

The359 · Mar 29, 2004

You're thinking of the Aurora, which has never been proven to exist.

milefile · Mar 29, 2004

Concorde is gone forever. How could it have ruled?

Mike Rotch · Mar 29, 2004

Originally posted by Ev0
Sad to see that the X-15 no longer holds the speed record

At the bottom of the article NASA said they might be testing vehicles at mach 10 by the end of the year

👎

Nasa said they have cancelled all research that was supposed to follow this experiment in order to save money for their planetary exploration program.

keram · Mar 29, 2004

Originally posted by The359
You're thinking of the Aurora, which has never been proven to exist.

Bottom, right corner:

Solid Fro · Mar 29, 2004

Uh, no. That is not Aurora. It's one of NASA's lifting body prototypes.

This is Aurora:

Famine · Mar 29, 2004

Originally posted by milefile
Concorde is gone forever. How could it have ruled?

Precisely - it DID rule, but now it's gone. Therefore it ruled, past tense.

Duh!

keram · Mar 29, 2004

Originally posted by Viper Zero
Uh, no. That is not Aurora. It's one of NASA's lifting body prototypes.

This is Aurora:

Have you ever played Ace Combat 4? What about the X-02 'Aurora' in that?

Rossell · Mar 29, 2004

When I look at the Yard Sale photo of the Aurora and compare it to the other planes I have to ask how can someone fit in that?

Plus Ace Combat 4 is a game

5,000mph

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