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  1. P

    Lifting from metal roof beams

    I'd like to add a chain hoist for lifting stuff up to a 1000 pounds. The shop has a flat steel roof with triangulated metal beams. How much can I lift from these? Should I lift from the top of the beam? Run an I-beam between two of them to split the weight? What do you think? Picture of rafters...
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    shear factor of studs in concrete?

    I am a small auto shop owner. Just me and myself all day long.. Because of this I frequently need creative solutions to moving dead cars around. I have a spare warn 8000lb winch and was thinking of mounting it to the floor under my work bench. With it mounted on the centerline of my lift it...
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