Zipline Diameter Pulley Friction/ Rolling Resistance

  1. My zipline is 200 feet long built with 7/16" Stainless Steel Cable. Would 3/8" cable result in a faster ride with less noise from the trolley due to significantly less surface area for friction?
  2. jcsd
  3. OldEngr63

    OldEngr63 706
    Gold Member

    Look at the contour of your pulley to see exactly what difference in contact area will result.

    My initial reaction is to say that this will not make a lot of difference because I suspect that the noise is generated in the pulley bearing, and that would not be affected by changing the cable.
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