Recent content by SimplyCircus

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    Finding Metal Stock Suppliers

    How about in Boston, any preferred metal vendors? Also want to know who people buy steel pipe from?
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    Chessebrough, what else are they known by and where can you rent them from

    While on the topic, I am looking for clamps that will take a 2" pipe on one side and a 1.5" pipe on the other. Rigid, 90 degree clamps are what we want. Any one know where to get these?
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    A question about STAC chain.

    Part of what makes it a difficult job is that they don't agree with each other about it. Grade 80, 100 and 120 chain can't be used to make a basket. Grade 70 is often used for that, and its overhead lifting as well. I am going to look into this a LOT in the next few months. Will report back...
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    A question about STAC chain.

    In all my years of rigging, I have never seen that definition of overhead lifting. I would love to know where that definition comes from. Overhead lifting is typically defined as the lifting and moving of a load overhead. Suspension is generally defined as suspending a load overhead...
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    A question about STAC chain.

    The standard does not say, but section 6.2 (2003 edition), specifies the dimensions in tables iv and v. I didn't write the standard, I just have a copy of it.
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    A question about STAC chain.

    Here are the specs for CM STAC chain. As you can see, they are designed not to pass each other, but rather to fit over the ears of a shackle. http://www.riggingwarehouse.com/customer/petrco/specpages/CM_STAC%20Chain%20Specs.pdf As to why, well, its part of the standard. Yes, not passing...
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    Insurance/liability/safety issues involving aerial silks

    call an aerial rigger. In your neck of the woods, Seattle School of New Circus Arts is who you want to use. As to the liability, call your insurance agent and ask them to figure it out.
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    Chessebrough, what else are they known by and where can you rent them from

    Roto locks, tube locks. Marr has them. Marr RI 1 Ernest St Providence, RI (401) 467-3110
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    Rigging Aerial Silk

    Mike is correct with the 2,000lbs @ 4:1 being the standard point ratings for aerial acts. My first rigging textbook, intro to rigging lyras and trapeze bars, comes out next month. My second rigging textbook, intro to rigging aerial fabrics, is due out mid-spring. We will be running a...