Page 5 - Rappelling
P. 5
Contents
Acknowledgments .................................................................................................................................................... vii
Introduction ................................................................................................................................................................viii
Chapter 1. Equipment .............................................................................................................................................. 1
Harnesses ............................................................1 Rope Care and Use .....................................9
Ropes ...................................................................1 Coiling and Uncoiling Your Rope ...............9
History ...........................................................1 Helmets .............................................................13
Kernmantle Ropes ........................................3 Gloves................................................................14
UIAA and CE Certification Knife ..................................................................14
for Dynamic Ropes .................................5 Slings and Webbing ..........................................14
Static and Low-Stretch Ropes .....................6 Flat Webbing ................................................14
Dynamic, Low-Stretch, or Static .................8 Tubular Webbing .........................................14
Diameter and Sheath Percentage ................8 Knots for Webbing .......................................16
Sharp Edge Resistance .................................8 Spectra and Dyneema Slings ....................18
Static Elongation ...........................................8 Cord and Cordelettes .......................................20
Dry or Non-Dry ..........................................8 Carabiners .........................................................22
Rope Length ..................................................8
Chapter 2. Rappel Anchors ................................................................................................................................. 27
Natural Anchors ...............................................27 Nuts and Cams ..........................................54
Trees .............................................................27 The RENE Principle ......................................56
Rock Structures ...........................................30 Principles of Equalization ...............................56
Rigging Natural Anchors ...........................35 Pre-Equalized System ................................56
Rappel Rings and Quick Links ...............36 Self-Equalizing Systems ............................58
Artificial Anchors .............................................40 Vectors ...............................................................60
Bolts .............................................................40 Notes on Redundancy .....................................63
Pitons ...........................................................53
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