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Electronic Theatre Controls Inc

Weight Estimates - Helix Cable Management

Helix Cable Management

The weight of a Helix Cable Management System varies depending on configuration (Total Travel + Dead Hang, Number of Circuits, Number of Low Voltage, etc.). A Helix Cable Management System has two sides of the ladder assembly that can carry a single SO cable and up to 4 low voltage cables.

In a Helix Cable Management System for a FlyPipe hoist Side A of the Helix ladder is used for motor power and control with Side B available for distribution circuits and low voltage. In a Helix Cable Management System on non-FlyPipe hoists both Side A and Side B are available for distribution circuits and low voltage.

The following component weights can be used to calculated the weight of a Helix Cable Management System.

Helix Assemblies

  • Helix @ 50' of dead hang + travel                                       25 lb. (11 kg) + Cable Weight @ 96' per cable
  • Helix @ 30' of dead hang + travel                                       17 lb. (8 kg) + Cable Weight @ 65' per cable
  • Helix @ 25' of dead hang + travel                                       15 lb (7 kg) + Cable Weight @ 53' per cable

Distribution Power & Low Voltage Cables

  • 6 Circuit + DMX Power SO (W712)      0.837 lb/ft ( kg/m)
  • 6 Circuit SO (W718)                                       0.704 lb/ft ( kg/m)
  • 5 Circuit SO (W711)                                       0.642 lb/ft ( kg/m)
  • 4 Circuit SO (W752)                                       0.649 lb/ft ( kg/m)
  • 3 Circuit SO (W710)                                       0.429 lb/ft ( kg/m)
  • 2 Circuit SO (W709)                                       0.319 lb/ft ( kg/m)
  • 1 Circuit SO (W707)                                       0.230 lb/ft ( kg/m)
  • DMX Cable (W6422)                                     0.027 lb/ft ( kg/m)
  • Network Cable (W6117)                             0.022 lb/ft ( kg/m)

FlyPipe Power & Control Cables

  • FlyPipe Motor Power Cable @ 96'        42 lb ( kg)
  • FlyPipe MCX Control Cable @ 96'        2.5 lb ( kg)
  • FlyPipe Motor Power Cable @ 65'        28.5 lb ( kg)
  • FlyPipe MCX Control Cable @ 65'        1.75 lb ( kg)
  • FlyPipe Motor Power Cable @ 53'        23.5 lb ( kg)
  • FlyPipe MCX Control Cable @ 53'        1.5 lb ( kg)
Example

A Helix Cable Management System with the following requirements:

  • 30' Travel + Dead Hang
  • FlyPipe Motor Power & Control (Side A)
  • 3 Distribution Circuits w/ 1 DMX (Side B)

Helix @ 30' of Travel + 3 Circuit SO @ 65' + 1 DMX @ 65' + FlyPipe Motor Power Cable @ 65' + FlyPipe MCX Control Cable @ 65'

= 17 lb + (0.429 lb/ft * 65') + (0.027 lb/ft * 65') + 28.5 lb + 1.75 lb

= 76.9 lb

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