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  • rocket engine question
  • muddydwarf
    Free Member

    Watching the show coming live from the ISS, and the footage about rocket launches.
    If you were stood underneath the engines when they lit up, would you be vapourised by the temperature first or hammered flat by the pressure wave?

    mogrim
    Full Member

    I’d have thought you’d get ripped to pieces, some bits vapourised but other chunks blown sideways out of the exhaust.

    Unless of course you’ve got some kind of subterranean volcanic tunnel you can use to get away, which is what I’d do anyway.

    mikey74
    Free Member

    The Secret Service snipers will take you out first :mrgreen:

    Seriously, though: I suspect the pressure wave would get you first, although the timing difference is fractions of a second.

    muddydwarf
    Free Member

    I have strange thoughts about these things!

    dannyh
    Free Member

    Either way, I suspect you would be able to be buried in a matchbox from what they could find afterwards!

    Rockhopper
    Free Member

    If it’s a liquid fuelled rocket I think you’d probably be frozen to death before you then get burnt to a crisp (the rocket motors vent liquid oxygen before they start).

    ohnohesback
    Free Member

    Perhaps drowned by the water curtain that begins before ignition to deaden hazardous harmonic shock wave resonances?

    scaredypants
    Full Member

    or maybe eaten by ants ?

    samuri
    Free Member

    I think you’d poo your own brain out first.

    CountZero
    Full Member

    Perhaps drowned by the water curtain that begins before ignition to deaden hazardous harmonic shock wave resonances?

    This, probably, then your pressure-cooked corpse will be blown in little fragments out of the vents around the launch pad.

    gears_suck
    Free Member

    You’d be fine as long as you were on your single speed fat bike.

    IHN
    Full Member

    You would definitely need to take a couple of paracetamol and have a little lie down afterwards.

    rebel12
    Free Member

    Last time I stood under a rocket engine I was left with an all over suntan, a slightly singed beard, and a mild ringing noise in the ears.

    andytherocketeer
    Full Member

    which rocket engine?

    solid boosters are guaranteed to be toasty only.
    liquid might be chilly, wet then toasty.

    not entirely sure it would really matter, since the outcome would be much the same.

    Harry_the_Spider
    Full Member

    Interesting reading. Thanks.

    Will spend the rest of the day avoiding rocket launch pads.

    footflaps
    Full Member

    You wish to find out what it would be like?

    That can be arranged…

    Klunk
    Free Member

    frozen to a Popsicle by the liquid oxygen/hydrogen mix being pumped through engine prior to ignition.

    mogrim
    Full Member

    Further reading for the interested: http://library.sciencemadness.org/library/books/ignition.pdf

    It’s an entertaining read about the development of rocket fuels.

    CountZero
    Full Member

    [video]http://vimeo.com/4366695[/video]
    Lightly browned on both sides, stick a fork in my ass, turn me over, I’m done. 😀

    J-R
    Full Member

    Count Zero – that is fascinating.

    footflaps
    Full Member

    Great video.

    Good book on the subject of the US Rocket Missions is:

Viewing 21 posts - 1 through 21 (of 21 total)

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