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REDIRECTION LINE WILL BE SUBJECT TO WEAR AND ABRASION
Any Redirection Line selected for use will wear and must be replaced from time to time. Lines must be care-
fully inspected prior to use each day, and failure to do so may result in serious injury or death.
8.5.1 1:1 RATIO
Attach zipSTOP braking line to redirection
line with a quicklink and recommended
swivel, support pulley and sling
The 1:1 Redirection Ratio directly connects the zipSTOP Brake Unit to the zipSTOP Brake Trolley via a single
Type I Redirection Pulley. For every unit of Brake Trolley travel, the Braking Line extends an equal distance.
Characteristics of the 1:1 ratio are:
ƒ Suitable for low speeds
ƒ Strongest braking force
ƒ Short braking distances
ƒ Higher rate of rider deceleration
ƒ Maximum rider approach speed of 36 km/h (22 mph) – model ZS125-08
ƒ Maximum rider approach speed of 60 km/h (37 mph) – model ZSIR150-20A
In the case of the model ZS125-08: A 1:1 Redirection Ratio is used for zip line installations where low arrival
speeds are common. Although suitable for speeds up to 36 km/h (22 mph), typically a 1:1 ratio would be em-
ployed when approach speeds are less than 20 km/h (12 mph).
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Brake Trolley
*EAD not shown but it is mandated*
Overhead Cable – 1:1 Redirection Ratio
Attach redirection pulley
to overhead line
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