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Thread: Solar furnace mirror - photo

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  1. Apr 27, 2020, 04:48 PM #1
    hemmjo
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    When I was teaching we made a 48” diameter parabolic dish using fiberglass and epoxy resin. Covered it with strips of chrome Mylar. As Swede mentioned, it would ignite a 2x4 in mere seconds. I very seldom used it as the light at the focal point was was bright as welding.

    It sure did impress the kids who made it!!
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    Philip Davies (Apr 27, 2020)
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