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go go Scramjet!!

Discussion in 'Off-Topic' started by Amra, Mar 28, 2004.

  1. Amra

    Amra IncGamers Member

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    go go Scramjet!!

    :clap:

    wOOt!!

    Link 1

    Link 2


    This even made the local news.

    Still a long way to go with this technology but it has some promise.


    The geek in me just had to post this.

    :thumbsup: to all those involved in pushing the envelope.
     
  2. Painman

    Painman IncGamers Member

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    Mach 7 baby!!

    Geeky? We owe the geek community much when it comes to the modern wonders we enjoy. :thumbsup:
     
  3. AeroJonesy

    AeroJonesy IncGamers Member

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    Yay for scramjets. I remember when the first test failed. Glad to see this one worked beautifully. I had been looking forward to this one for awhile.

    There's still a ton of work to be done before this can ever be commercialized. They still have to figure out a good way (other than booster rocket) to get the aircraft up to speed so the scramjet can kick in. I can just see it in 40-50 years though, people will be able to fly around the world in a few hours.
     
  4. mysnistaken

    mysnistaken Banned

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    o_O the scramjet is not mostly theory anymore
     
  5. th5418

    th5418 Banned

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    So it uses the ozone which is depleting already?
     
  6. mysnistaken

    mysnistaken Banned

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    it uses oxygen...or nitrogen,one of those i think, to power the engine...google is your friend...
     
  7. AeroJonesy

    AeroJonesy IncGamers Member

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    It uses the oxygen in the atmosphere, not ozone. Ozone is O3 if I remember correctly. Oxygen in the atmosphere is O2. No fear of ozone depletion. All combustion engines use oxygen to burn the fuel, including passenger jets and all that. Not much difference here, the aircraft is just going much much faster.
     
  8. Painman

    Painman IncGamers Member

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    40,000 feet up (where the Scramjet was flown) is in the Tropopause, the layer of the atmosphere just below the Stratosphere where the bulk of the ozone layer is located. That, and the Scramjet's exhaust is water vapor, which doesn't harm ozone.
     
  9. asdf

    asdf IncGamers Member

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    scramjets are designed to just use ordinary jet fuel. the reasearch and development on scramjets is all about how to get it to burn fast enough before it's already shot out the back of the engine.

    have you guys heard of pulsed scramjet (or something like that)? another new type of engine on the horizon... read about it on popular science
     
  10. Kore

    Kore IncGamers Member

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    I want one.
     
  11. Death Merchant

    Death Merchant IncGamers Member

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    The ultimate crotch rocket.......
    I feel the need for speed. :drool:
     
  12. {KOW}Spazed

    {KOW}Spazed Banned

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    So you can spend millions on parts, fuel, radio transmittors, and training all so you can watch something go really fast before crashing into the ocean?


    Mach 7 is really pushing the human limits even with a flight suit on if you are doing it for more than a second or two isn't it? My guess is that even if they do perfect the engine/plane then no on would ever get to fly in one, the G-forces being pulled during exceleration would be too great for most people to handle. Look at fighter pilots they are the closest to having these forces put on them and they are in much better shape than the average person.

    Gogo super duper fast remote control bombers!
     
  13. srs0

    srs0 IncGamers Member

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    Awesome! Go NASA! :worship:
     
  14. th5418

    th5418 Banned

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    How fast exactly is Mach 7?
     
  15. srs0

    srs0 IncGamers Member

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    Around 5000 miles per hour.
     
  16. Steve_Kow

    Steve_Kow Banned

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    Kow, astronauts are regularly accelerated to escape velocity, some 25,000 mph iirc.
     
  17. Wuhan_Clan

    Wuhan_Clan IncGamers Member

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    It's easier to fly faster the higher the altitude because the air is thinner. In space where there is no air friction, space shuttles orbit the Earth at close to 20,000 mph. I'm not sure on the exact figure but its something around that. The escape velocity for Earth is about 25,000 mph so yes, astronauts go that fast sometimes but they're using gigantic rockets.

    The speed of sound decreases also decreases as you gain altitude because molecules are further apart.
     
  18. Steve_Kow

    Steve_Kow Banned

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    Yeah I was just refuting Kow's claim that people wouldn't be able to handle flying that fast. Which would only bother you during the acceleration phase anyhow.
     
  19. Wuhan_Clan

    Wuhan_Clan IncGamers Member

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    Yeah, most fighter pilots would be doing 7 to 9 G's max. I don't even think you got that high on Saturn V's (moon rocket). It's all relative. The Earth is actually orbitting the Sun at tens of thousands of miles per hour. And the Sun is orbiting the center of the Milky Way at thousands of miles per second. I agree the acceleration could be brutal in the X-43 but I would assume it accelerated gradually. I doubt if its more intense then typical combat manuevres done in fighter jets.
     
  20. Jigga-Scrooge

    Jigga-Scrooge IncGamers Member

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    pffffffffffffffffff. weak. i reach atleast mach 37 when i fart.
     

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