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  1. #21
    Advanced Member
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    Northern IL
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    Quote Originally Posted by (in)Sanity
    Insanity, can you explain to me how purple reflects less light than black. I don't see how this is logically possible.
    They actually wanted to paint the stealth fighters purple (or more of a grape). The exact details of why may have something to do with the colors that are present at nighttime. I would have to research more in to why they wanted to use it for the stealths. In the end they didn't, as no respectable pilot would fly a grape colored plane Again it has to have something to do more with nighttime camouflage then true reflectivity. Would be interesting to test.
    That would definitely be an interesting test. Take a shiny black, shiny purple, and a car in flat black primer and see how they do in radar/laser tests.

  2. #22
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    Nov 2004
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    Phoenix, AZ
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    That would definitely be an interesting test. Take a shiny black, shiny purple, and a car in flat black primer and see how they do in radar/laser tests.
    Well, if the guys doing the research on the stealth planes did their research correctly and I beleive they did. Then a flat dark grape painted car would be the hardest to see visually at night. Even more so then a flat black.

    Now laser is a different story, the wavelength used is not in the visible range. So you would have to find a color that you could paint your car that would be a harmonic of the wavelength of the non visible laser.

    The best solution is to just not have a shinny surface.

    Edit:

    I wonder how a zinc-chromate primer would do vs radar.

  3. #23
    Radar Fanatic
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    Nov 2004
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    Quote Originally Posted by Blown Z
    Yup, that's how we do it in these here parts Where in IL are you from?
    I'm fairly close to the I-57 I-64 junction.

  4. #24
    Advanced Member
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    Northern IL
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    Quote Originally Posted by compu44
    Quote Originally Posted by Blown Z
    Yup, that's how we do it in these here parts Where in IL are you from?
    I'm fairly close to the I-57 I-64 junction.
    I am in the west suburban Chicago area and work all over Northern IL.

  5. #25
    Radar Fanatic
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    Nov 2004
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    Quote Originally Posted by Blown Z
    Quote Originally Posted by compu44
    Quote Originally Posted by Blown Z
    Yup, that's how we do it in these here parts Where in IL are you from?
    I'm fairly close to the I-57 I-64 junction.
    I am in the west suburban Chicago area and work all over Northern IL.
    Nice to see another Illinois resident here. I think there's another member from your area too.

  6. #26
    Yoda of Radar
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    Dec 2004
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    In front of my computer
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    10,773

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    Quote Originally Posted by (in)Sanity
    Insanity, can you explain to me how purple reflects less light than black. I don't see how this is logically possible.
    They actually wanted to paint the stealth fighters purple (or more of a grape). The exact details of why may have something to do with the colors that are present at nighttime. I would have to research more in to why they wanted to use it for the stealths. In the end they didn't, as no respectable pilot would fly a grape colored plane Again it has to have something to do more with nighttime camouflage then true reflectivity. Would be interesting to test.
    Note that VEIL has a kind of purplish tint to it, not a complete black or grey.

    Myself I am in a highly polished and always waxed dark grey metallic. Uh oh :shock:

  7. #27
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    Phoenix, AZ
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    Note that VEIL has a kind of purplish tint to it, not a complete black or grey.
    More or less the same concept as coated optics perhaps. The idea being to cancel out reflected light. The light penetrates the headlight instead of reflecting off of it. Do some research on how optical coating works and you'll see what I'm talking about. No clue if that's how the veil works at all. I may just have to get some.

 

 

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