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ProTrac is a substantially upgraded fly-bar system with several extra options and a high loading capacity.

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  • ProTrac

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    Ready for the Future
    The rapid evolution of contemporary theater productions has placed new demands on existing fly-bar systems. Important recent developments include higher loading requirements, a growth in the scope of productions, and the introduction of mechanically operated fly-bar systems. The demands placed by new production techniques have made many fly-bar systems no longer suitable for the job. Developed to fill this gap, ProTrac is a substantially upgraded fly-bar system with several extra options and a high loading capacity. Additionally, because ProTrac is a lightweight system (low inherent weight), it allows a higher net loading capacity for your winches or drivers.

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    Accidents Avoided Compared to commonly used conventional fly-bars or steel ladder beams, ProTrac dramatically reduces the horizontal bending that results from applying loads to the fly-bar. ProTrac has practically no lateral flex: horizontal bending is less than 2 cm over 24 m of length when full load is applied. Nearby fly-bars will not be blocked and, more importantly, potential accidents due to the blocking of the flyway can be prevented. Further, ProTrac can be furnished with yellow end-caps to enhance visibility of the fly-bar, thus providing an extra safety margin for technicians and actors when working on stage.

    Easy Installation The ProTrac system is very flexible, allowing components of several different lengths to be easily cobined and connected. ProTrac can replace conventional fly-bars in theatres or other venues without any alteration of the existing installation. There is no need to make adjustments to the suspension cables or the complete fly-bar system: the steel wires of the existing system can simply be connected to the adjustable suspension points of the ProTrac components. Calculation methods used for ProTrac comply with DIN 56921.

    Technical Details ProTrac consists of a rectangular upper profile of extruded aluminium combined with a lower round aluminium tube or profile. Three typers of lower profile can be connected to the upper profile:

    1. Tube with slot profile 48,3 mm
    2. Tube with slot profile 48,3 mm, with integrated rail fitting for Helm 100 runner
    3. Tube with slot profile 60 mm, with integrated rail fitting for Helm 100 runner

    The lower profile connects to the upper profile with stud bolts. Suspension points for the ProTrac components slide into the slot of the upper profile and are easily fixed, due to a lock and load system. ProTrac is a modular system. Variable lengths can be connected via internal tubers, which are bolted into place. The connection of two lower profiles is placed under 45 degrees to guarantee flawless runner travel. ProTrac’s profiles are black anodised and are furnished with rubber caps at the ends. The upper profile can be fitted with extra drilled holes of 50 mm (spaced 500 mm) to provide fittings for integrated electrical sockets.