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  1. 25-03-19, 05:11 PM #1
    wylk
    wylk is offline Member
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    Another big not-a-bank-vault door, this one is much more famous. Cheyenne Mountain (Colorado) is the home of NORAD and other tenants. There are several sets of 25-ton blast doors (notice in this image there are two). Who made these?

    Click image for larger version.  Name: cm.jpg  Views: 39  Size: 150.4 KB  ID: 21046
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  2. 26-03-19, 03:17 PM #2
    Grayhair
    Grayhair is offline Member
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    Default More Cheyene Mountain Blast Door pictures

    Click image for larger version.  Name: Cheyene Blast Door Door1.jpg  Views: 30  Size: 158.0 KB  ID: 21053

    Click image for larger version.  Name: Cheyene Blast Door 2.jpg  Views: 31  Size: 176.2 KB  ID: 21054 Did not realize bolts are operated hydraulically.

    Click image for larger version.  Name: Cheyene Blast Door 3.jpg  Views: 32  Size: 1.58 MB  ID: 21055
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