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Thread: Random Picture Thread V

  1. #25731
    PJ Harvey is God adgy-san's Avatar




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  2. #25732
    Destroyer of Worlds MotherPuck's Avatar




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  3. #25733
    Part IV. A new begining.. empire's Avatar




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    Quote Originally Posted by ChilledAgua View Post


    Landscape of Yucca Flats, within the Nevada Test Site, showing craters created by underground nuclear testing.

    The large crater at the top of the picture is from the Sedan test of Operation Plowshare, the purpose of which was to explore the feasibility of using nuclear explosions to excavate material to dig harbors, canals, mining or other earthmoving projects. As such, the device wasn't buried as deeply the rest and it holds the dubious distinction of depositing more fallout (many nucleotides, including Iodine-131) than any other test and contaminating the most US citizens as well (as far away as Iowa and Illinois).
    Mercury, Nev. made many of the instrument screens out of tantalum Element AN 73, nothing secret, they were inspected by nuclear physicists, they would spend 3 days in my office, that was fun and they were cool. The instruments would measure the antumbra, that's the shadow of the penumbra which is the shadow of the umbra which is the shadow. Only the shadow knows...
    Extreme tolerance parts.

    BTW, Groom lake is to the NE of this photo.
    nocturn and ChilledAgua like this.

  4. #25734
    Part IV. A new begining.. empire's Avatar




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    Quote Originally Posted by Kings Provisional View Post
    Looks like a great family of sisters or could be a spin off from the perfect race program. I always wonder.

  5. #25735
    Destroyer of Worlds MotherPuck's Avatar




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    nocturn, ChilledAgua and mark1178 like this.

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    Destroyer of Worlds MotherPuck's Avatar




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  7. #25737
    Destroyer of Worlds MotherPuck's Avatar




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    nocturn and mark1178 like this.

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    Destroyer of Worlds MotherPuck's Avatar




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    no.
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  9. #25739
    Part IV. A new begining.. empire's Avatar




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    Quote Originally Posted by ChilledAgua View Post


    A-12s (CIA variant) and YF-12As (Air Force variant) at Groom Lake in 1964. The early versions were mostly bare titanium with only the leading edges painted with the black paint, the function of which was to radiate heat away from the areas exposed to the highest temperatures. These models can be distinguished from the later SR-71s by the lack of a chine carried all the way to the nose of the aircraft; these have the original conical nose.

    The second one back is a trainer, with the second cockpit visible.

    I find it totally amazing that these were designed with slide rules.
    The chine is a fuselage wing, in as it gives lift and control to the aircraft, a brilliant thought by Kelly that was extended on the SR-71 after testing the A-12.

    BTW, Slide rules are great, but I gave those up years ago, I program all my CNC equipment in my head, I only use an editor to tell my machines what I want it to do. I'm sure all those cam programs are nice for people who don't really understand what a machine does but I know exactly what its doing.

    Yeah...old timer....who knows what the....

  10. #25740
    All Star x-wingcamewest's Avatar




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    Quote Originally Posted by empire View Post
    The chine is a fuselage wing, in as it gives lift and control to the aircraft, a brilliant thought by Kelly that was extended on the SR-71 after testing the A-12.

    BTW, Slide rules are great, but I gave those up years ago, I program all my CNC equipment in my head, I only use an editor to tell my machines what I want it to do. I'm sure all those cam programs are nice for people who don't really understand what a machine does but I know exactly what its doing.

    Yeah...old timer....who knows what the....
    Old farts rule. I still use my slide rule.

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