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and 8 KN (1760 lbs.) for all ropes, a figure that is based on the assumption that a body can withstand a force of 15 times its weight for a very short period of time. For a single rope, the test is dropping a 176 lbs(80 Kgs) weight attached to an 8.25-foot piece of rope a dist ance of 15.75 feet, i.e. simulating the worst possible fall.(for double -rope tests, the weight is changed to 121 lbs.) 时所造成的冲力和固定点端效应的”最差状况”。 通过连续五次的测试(每次间隔不超过五分钟),才能拥有 U.I.A.A.的卷标。 设体重在瞬间的冲力达十五倍。单绳用176磅(80公斤)拉高8.25��(2.5公尺), 使其坠落15.75��(5公尺)来仿真最严重的坠落(双绳则把重物改成121磅(55公 斤
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