 | Disaster Rescue - Australian Emergency Manual (Natural Disaster Organization, 183 p.) |
 |  | CHAPTER THREE - ROPES, CHAINS AND SLINGS |
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Knot Strengths
3.44 Knot Strengths
The following chart shows the approximate residual breaking strains of new rope in which rescue knots have been tied:
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Thumb (Overhand) Knot |
45-55% |
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Figure of Eight Knot |
55-65% |
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Double Sheet Bend |
55-65% |
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Buntline Hitch |
60-65% |
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Fisherman's Bend |
60-65% |
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Double Fisherman's Knot |
60-70% |
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Clove Hitch |
60-70% |
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Round Turn & Two Half Hitches |
60-65% |
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Timber Hitch |
60-70% |
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Figure of Eight Loop |
60-70% |
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Figure of Eight on the Bight |
60-70% |
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Bowline |
60-65% |
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Bowline on the Bight |
60-65% |
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Chair Knot |
40-45% |
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Portuguese Bowline |
60-65% |
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