What is a highline for rescue?
Highline operations are one of the most dangerous and most difficult vertical rescues. Highline rescues invoke the use of advanced rigging skills, performed by advanced technicians. Under no circumstances should a highline be attempted solely on the instruction of this book.
What is a highline system?
The term ‘highline’—often inappropriately referred to as a ‘Tyrolean’—refers to a system that uses a track rope (mainline) to suspend a load over a span. Highlines can be much more practical for rescue work than is commonly assumed.
What are the two basic high lines?
Highlines can be categorized into two categories, the first being horizontal highlines. These highlines are for the most part level and, like all highlines, go from point A to point B. The second category will be angled highlines. These highlines span from point A to point B on an angle.
How much should I tension my Highline?
In order to maintain a 10:1 safety factor, we must not load the rope past 4kN. This requires us to tension the high line with 1 or two people pulling on a 3:1 initially, loading the system with the rescuer, and then post tensioning using the rule of 12 or 18 to the desired amount.
Who invented Highlining?
Highlining history Highlining was inspired by highwire artists. The first successful highline walk is credited to 20-year-old Scott Balcom and 17-year-old Chris Carpenter who performed the first documented walk on nylon webbing highline.
When was Highlining invented?
1983
– The summer of 1983 Adam and Jeff attempted Lost Arrow Spire in Yosemite with a cable and had rigging complications so they stopped. – 1983 Scott Balcom sends the first highline.
What do horse hobbles do?
Hobbles—connected loops that tie a horse’s front legs loosely together—have been used for centuries to keep horses from straying when there is no place to tie or confine them.
Can you tie a horse up overnight?
A picket line (a line stretched between two trees to which you tie your horses) is a safe and practical tying method, whether for lunch breaks or while camping overnight. …