Fastest air-breathing jets?

Discussion in 'Modern' started by Jerry W. Loper, Apr 21, 2010.

  1. Jerry W. Loper

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    Apart from the A-11/SR-71 family, the MiG-25 Foxbat, and the XB-70 Valkyrie, what are the world's fastest air-breathing jets that have either flown or at least been on a drawing board?
     
  2. tomo pauk

    tomo pauk Creator of Interesting Threads

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    MiG-31, F-4, F-14, F-15, A-5, TSR - pretty fast birds...
     
  3. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    Don't forget the F-106
     
  4. red admiral

    red admiral Member

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    X-43 is the current fastest reaching M9.68 with a scramjet.

    The UK had the BS.1010 pushing ramjet technology and hydrocarbon fuel out to Mach 7. The fastest design postulated was the APD.1019H2 which was a flying wedge scramjet (vertical landing as well) supposed to get up to Mach 10 with a crew of three. More sensible were the Hawker P.1134 studies looking at Mach 4+ with a combined reheated Avon / ramjet powerplant and crew of two.
     
  5. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    The X-43 is the fastest overall but it is unmanned. The MiG-31 is probably the fastest out of the manned bunch listed.
     
  6. Colin1

    Colin1 Active Member

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    I thought the F-111 was supposed to be uncatchable to any Allied interceptor and could only be caught by the MiG-25
     
  7. FLYBOYJ

    FLYBOYJ "THE GREAT GAZOO"
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    You beat me to the punch!
     
  8. red admiral

    red admiral Member

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    It becomes fairly academic for those sorts of aircraft as redline speed simply depends on what heating loads you're dealing with are where the designers feel the limit is. For MiG-31 it's around M2.8 with others at reduced limits depending on how much aluminium you want to use in the structure.

    F-111 is going to be caught fairly easily with a missile shot, which is the main reason speeds have decreased. It's easier and cheaper to design a fast missile than a fast aircraft.
     
  9. Colin1

    Colin1 Active Member

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    Yes
    but that's not the theme of the thread or are these air-breathing missiles?
     
  10. Matt308

    Matt308 Glock Perfection
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    Yeah but the scope of the original request is sufficiently vague...
     

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  11. Matt308

    Matt308 Glock Perfection
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    That's a tall order. I even remember a nuclear powered US bomber that was proposed in the 1950s that was supposed to be Mach 3-4 capable and had a... wait for it... battlefield bonus of spewing nuclear radiation as exhaust over the target country. :toothy5:
     
  12. Colin1

    Colin1 Active Member

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    Not to mention the host nation that it took off from

    The gals at Mildenhall and Upper Heyford would've had a field day with that one... until they all keeled over

    Difficult to imagine Oxfordshire with a great big ring-fence around it :)
     
  13. Matt308

    Matt308 Glock Perfection
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    As I recall it had conventional jet turbine propulsion and only the dash capability was the dreaded radiation spewing nuclear propulsion. Stupid idea. But then again there are so many.
     
  14. The Basket

    The Basket Well-Known Member

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    Concorde could fly at Mach 2 for extended duration.
     
  15. red admiral

    red admiral Member

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    Good point.

    Fastest air breathing jet gets heavily involved with spaceplanes. Fastest pretty much comes down to a spaceplane design that isn't designed to go into space. Some strange examples would be HOTOL or SKYLON. Air breathing engines but space capable.
     
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