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Outdoor rope for a carry-on essential outdoor equipment, in the premise of not affecting the performance of the first thing we need is its lightweight characteristics. We can't ask every person to go anywhere to carry a standard 50 meters main rope. Therefore, we need the weight of the rescue rope should be controlled at about 500 grams. Outdoor service excellent flashlight classroom according to the use of the environment and demand, we define the rescue rope here does not carry the function of climbing, so usually outdoor rescue rope should have the following characteristics roughly.
Length 15 meters -20 meters.
The rope diameter is between 7MM-8MM.
Less than 3% of the ductility (static rope).
Static tension 500KN (about 500kg) above the professional climbing auxiliary rope.
Relatively low price (because it is not used for climbing and rappelling, can consider using domestic rope).
All experienced leaders or those of us among the masters understand a truth, the simplest way is the best way, the best way is to use the simplest tools to complete the most complex tasks. Adhering to this thinking, after many years of exploration and testing, many simple and effective outdoor techniques have been invented. To date, there is hardly any piece of standard equipment that cannot be replaced by a simple method. For example, the grab knot can replace the ascender in special cases, and the Italian half-buckle knot can replace the descender. Here we are going to say the rescue rope and other auxiliary equipment use method also follow this principle.
Most of the regular outdoor activities, we have to pass through some dangerous terrain, usually we deal with the way is to use the road rope relay through. Although this way to a certain extent to lift the security risks, and provide a way through the obstacles, but in many relatively extreme terrain conditions is not safe, because the hand relay through and can not guarantee that in the whole process so that the passer are in the absolute effective protection. For example, some slope more than 60 degrees of slippery slope rise and fall and cross-cutting action, it is necessary to use the simple safety belt and road rope connected to the method to pass safely. Assuming that there is no standard safety belt and connecting equipment only rescue rope, making simple chest type safety belt is an efficient and safe way.
After the road rope (rescue rope) is fixed, each passer will make their own rescue rope into a whole bundle of rope loop and leave a suitable length of rope tail, the rope loop through the head, neck single shoulder crossbody. Will leave the rope tail to single rope grab knot way and road rope connected, so as to form a two-way force between the person and the rope self-locking combination relationship. Can be used for climbing and descending steep terrain, in the whole process of passage can ensure that the personnel at any time in absolute assurance among. The production of single rope grab knot two points, one is the same diameter of the rope to do grab knot number of turns generally more and must test its effectiveness, the second is to grab the knot when the end of the bollinger knot must be reliable.
Use the same method as above will rescue rope made rope loop, before the road rope fixed, the rope loop all through the road rope. When passing, each person put on a rope loop to start cutting across. You can also use the above method of making a grab knot to cope with cross-cut terrain.
