knots southwest virginia mountain rescue group
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05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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KnotsThe Basics (FTM Skills)
Images Below are Provided by: Animated Knots by Grog
Overhand45% Rope Strength LossStopper Knot, Safety Knot; Used with webbing and rope.
Overhand Bend36% Rope Strength LossKnot used to connect two ends of webbing together to extend length or create a loop. Also used with wrap 3 pull 2 methodfor securing an anchor using webbing. Should not be used in rope.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Half HitchBasic knot; Used during patient packaging when doing a round turn w/ 3 half hitches or a round turn with a halfhitch andan overhand knot.
Square Knot50% Rope Strength LossKnot used when trying a seat harness to secure the two ends of webbing. Should not be used in rope.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Figure 820% Rope Strength LossStopper Knot; Basis for other knots used in rescue with rope; creates smooth bends thus minimizing the reduction ofstrength of rope.
Figure 8 on a Bite20% Rope Strength LossCreates a loop at the in the rope to connect to.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Figure 8 Bend19% Rope Strength LossKnot used to connect two ends of a rope together.
Figure 8 FollowThru19% Rope Strength LossUsed to secure a loop of rope around an object. Used during rigging in place of a carabiner to secure the end of the rope.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Double Fisherman21% Rope Strength LossKnot used in cordage to create a prusik loop, can be used to secure the ends of two ropes together to extend the length.
Prusik KnotUtilizing a prusik loop knot used as a rope grab in various applications to grip the rope.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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More Advanced Ropework (FTL Skills)
Emergency Seat HarnessNonredundant seat harness used in situations when feet will not leave the ground and requires a rapid method ofdonning.
Tensionless AnchorThree or more wraps around a large secure object using rope to provide and very strong anchor.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Wrap 3 Pull 2 AnchorUtilizing a piece of webbing to wrap an object 3 times and then tying an overhand bend to secure the ends then pullingthe two loops that do not have the knot to create a secure anchor point around an object.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Redundant Seat HarnessRedundant seat harness used in vertical situations when a sewn harness is unavailable.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Terrain Scenarios
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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BUD DownhillBasic belaying downhilll during a semitechnical evacuation on low angle terrain.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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DUB UphillBasic belaying uphill during a semitechnical evacuation on low angle terrain.
3:1 (ZRig) Pulley SystemBasic pulley system used to gain mechanical advantage during an advanced semitechnical evacuation on steep terrain.
05/04/2015 Knots | Southwest Virginia Mountain Rescue Group
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Where Are These Used in a Rope Rescue System?
A great resource discussing the physics of rope systems:Salt Lake County Sheriff's Office Rescue Physics Lecture