• Re: Most important science experiment of the 21st century-- replacing u

    From Jim Pennino@21:1/5 to Archimedes Plutonium on Sun Jan 14 12:27:54 2024
    Archimedes Plutonium <plutonium.archimedes@gmail.com> wrote:
    In one of my books I wrote:


    Now bar-headed geese, I saw on a tv show naturally fly over Mt. Everest. They have a blood flow that is evolutionary adapted to that flight while other birds cannot fly that high. And Mt. Everest is shy of 11km. But I am betting that a well designed
    helicopter drone running on lithium batteries can easily scale that height and more.

    The altitude record for any rotorcraft is 12,524 M.

    The altitude record for any propeller driven aircraft is 29,534 M.

    The altitude record for jet powered aircraft is 37,650 M.

    Space begins an an altitude of 100,000 M.

    Low Earth orbit is 250,000 to 2,000,000 M.

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  • From Volney@21:1/5 to Jim Pennino on Sun Jan 14 19:05:52 2024
    On 1/14/2024 3:27 PM, Jim Pennino wrote:
    Archimedes Plutonium <plutonium.archimedes@gmail.com> wrote:
    In one of my books I wrote:


    Now bar-headed geese, I saw on a tv show naturally fly over Mt. Everest. They have a blood flow that is evolutionary adapted to that flight while other birds cannot fly that high. And Mt. Everest is shy of 11km. But I am betting that a well designed
    helicopter drone running on lithium batteries can easily scale that height and more.

    The altitude record for any rotorcraft is 12,524 M.

    The altitude record for any propeller driven aircraft is 29,534 M.

    The altitude record for jet powered aircraft is 37,650 M.

    Space begins an an altitude of 100,000 M.

    Low Earth orbit is 250,000 to 2,000,000 M.


    And a lithium battery doesn't contain enough energy to lift itself, much
    less the rest of a drone, to low earth orbit (mgh).

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  • From Jim Pennino@21:1/5 to Archimedes Plutonium on Sun Jan 14 15:18:12 2024
    Archimedes Plutonium <plutonium.archimedes@gmail.com> wrote:
    Jim, do you know of any anomalies of aircraft flying over the poles as to additional lift, although it maybe small, but added lift, nonetheless??

    AP

    No.

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  • From Jim Pennino@21:1/5 to Archimedes Plutonium on Sun Jan 14 19:01:08 2024
    Archimedes Plutonium <plutonium.archimedes@gmail.com> wrote:
    The first experimental test site of international importance is see if the drone can match the bar-headed geese in flying over Mt. Everest. This would be big time news.

    Military, fixed wing drones with jet engines top out at about 50,000 M.

    High end commercial VTOL drones with batteries top out at about 6,000 M.

    Space doesn't start until 100,000 M.

    <snip remaining babbling nonsense>

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