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Zipline Diameter Pulley Friction/ Rolling Resistance

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fluke70
#1
Apr6-12, 05:51 PM
P: 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?
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OldEngr63
#2
Apr6-12, 08:14 PM
P: 343
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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