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Thread: Landing light

  1. 02-13-2016, 04:27 PM #1
    ken nougaret
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    Default Landing light

    Gonna put a microsun landing light in my cowling. I have an O-200 and wanted to keep the air out of the lower cowling. So i thought maybe put a plastic window for the light. But i noticed quite a bit of heat comes off that microsun. Would a lexan or polycarb window be better? Thanks, Ken
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  2. 02-13-2016, 05:02 PM #2
    HighWing
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    Default Re: Landing light

    Lexan is a brand of polycarbonate. I think that is what I would use, but would make it replaceable just in case. Polycarbonate has a high moisture content and will fog up if taken much above the boiling point of water, but the heat forming temps are above 350 degrees.
    Last edited by HighWing; 02-13-2016 at 05:12 PM.
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  3. 02-13-2016, 05:34 PM #3
    Esser
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    Default Re: Landing light

    Your microsun won't make more heat than 60C or else it would be in danger of degrading the LED's. Their cover on the light is PC so I would use a piece of lexan and call it a day.
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  4. 02-14-2016, 07:05 AM #4
    Micro Mong Bldr
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    Default Re: Landing light

    One of the advantages (and disadvantages) of LED light sources is no infrared in the light. Thermal rise with a dirty lens is low. On the other hand, a heating element may be needed to keep the lens clear in icing conditions (not a problem in the Kitfox).

    If you want to talk lighting details, send me a private. 38 years in lighting.

    Larry
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