Technical Blogs

  • Shackles inspection

    26/01/2015

    Notified Body inspectors barely do a serious job in checking your shackles, because they don’t need to. But they still send you an invoice, so you might be better off to do the job yourself. Don’t waste your money on some inspection company to check your shackles if you can easy learn to do it yourself.

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  • Yes we can (do better slinging)! (Part 2)

    26/01/2015

    Each type of truss will have its own best slinging method, all depending on the bracing positions. Slinging primarily has to do with the transfer of forces from the truss into the sling or visa versa. No brace present at the slinging position (slinging outside of the node points) is bad slinging to start with.

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  • Believer, Faithful or Fanatic? The real story

    26/01/2015

    We all make mistakes, even when it’s our job to prevent those are made. In that process we sometimes hurt people, which have tried to do a job to their best knowledge.

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  • Yes we can (do better slinging)! (Part 3)

    26/01/2015

    For the fans, one more blog on (scary) slinging found on the World Wide Web. Although at first impression one might say the guys rigging that sound system took extra care in covering the rear of the cabinets with plastic, thus reducing electrical risk. Question could be: why leave the chain motor un-covered? And where are the horizontal restraints for the line array system to prevent it from swaying in bad weather.

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  • Just one single round tube

    26/01/2015

    “What is the capacity of just a single round tube?” This question is generally ignored by truss manufacturers, as it has little to do with their business. And it’s too vague for a structural engineer to answer just like that. If he answers the question as it is asked, the invoice could become quite high when all the possibilities are tackled…

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  • Eurocodes (part 1)

    26/01/2015

    The issue: Traditionally in the EU the problem with comparing loading capacities was the method of calculation and on what particular standard this was to be based upon. Even the name of one particular alloy could be different from one nation to the next, and so were the standards describing the methods and formulas for structural engineering. What a mess it used to be in the Old Continent!

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  • Eurocodes (Part 2)

    26/01/2015

    Slowly but steadily the Eurocodes are implemented in our industry as well. Raising huge discussions amongst structural engineers, they finally seem to have found common ground, now placing responsibility with the truss manufacturers to comply with these regulations. All truss modules now simply need to comply with one or more of the Eurocodes, this being Eurocodes 1, 3 and 9. How will this help our industry?

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  • Define or Divide

    26/01/2015

    We have lots of misunderstandings in our business. It often starts with ignoring to read the ****ing manual, it ends with conjuring up whatever name we can think off for a particular component. It took three decades to finally get rid of the term ‘inverted’ in rigging.

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  • Soft Steels - Use on Structural Beams

    26/01/2015

    Since the late 90-ties the entertainment industry has been graced with a ‘new’ product. A type of round sling, but not filled with tens of thousands of polyester yarns but instead having a 2-3mm Ø wire rope going around for 25 to 30 times. Is this product able to be used for other rigging purposes?

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We are proud to say that Prolyte’s high quality products and its passionate team members have never disappointed us! We use Prolyte trussing on all events we work on

Sammy Freh GSF Sound & Light Rental, Belgium