Page 183 - Rappelling

half ropes, 4, 6 ASCA and, 53 spring-loaded camming devices,
kernmantle, 3–5 belays, 108–10, 114–19, 152 54–55
light use, 7 dealing with stuck ropes, static ropes, 6–7, 8
low-stretch, 6, 7 131–33 Sterling ATS, 147, 149
materials, 1–3 mental checklist (ABCDE), Sterling Chain Reactor,
nylon (polyamide), 3, 5, 8, 9 106, 122 122, 124
personal escape, 7 multipitch rappels, 121–29 Sticht plates, 101, 102, 103
polyester, 3, 5, 8, 9 rock fall precaution, 133 stopper knot, 82–83
single ropes, 4, 6 scenarios to avoid, 105–7
static, 6–7, 8 stopper knot, 82–83 T
twin ropes, 4, 6 teaching rappelling, 114–19 tandem rappels, 129
ropes self-equalizing systems, 58–60 teaching rappelling, 114–19
buying, considerations, 8–9 self-locking devices, passing tensile strength, 18
canyoneering retrieval knots with, 140–41 third hand (autoblock), 81
techniques, 147–51 simul rappels, 130 tossing rope, 131
care and use, 9 single ropes, 4, 6 trees, as anchors, 27–29, 138
coiling and uncoiling, 9–12 sliding X (magic X), 58–60 triangle, American, 60, 61
diameter and sheath slings and webbing, 14–20 triple fisherman’s knot, 71, 73
percentage, 8 backing up anchors with tube devices, 99–101
dry or non-dry, 8 slings, 48, 49, 56–63 twin ropes, 4, 6
history of, 1–3 buying and using slings, 20 tying knots. See knots
joining, knots for, 74–76 flat webbing, 14
length, 8–9 knots for webbing, 16–18 V
managing, 131–33 rappel rings, quick links and, vectors, 60–61
NFPA testing/certification, 7 36–40 vertical rope access techniques,
protectors for, 138–39 Spectra and Dyneema slings, 141–45
retrieving, 131, 147–51 18–20 vertical rope access trade
sharp edge resistance, 8 techniques for using. See organizations, 143
static elongation, 8 rappelling methods references
stuck, dealing with, 131–33 tensile vs. loop strength, 18 W
tossing, 131 tubular webbing, 14–16 water knot, 17
untangling/unknotting, 87 types, illustrated, 16 webbing. See slings and webbing
vertical, access techniques, UV degradation, 16, 39
141–45 SMC hangers, 40, 41, 42, 43, 50 Y
Spectra and Dyneema cord, Yosemite method, 163
S 20–22
safety, 105–19 Spectra and Dyneema slings,
accident analysis/prevention, 18–20
105–7 spinners, 43–45

172 Index

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