Climbing Gear
Thursday, July 31st, 2003So, in my efforts to educate my readers about climbing, here is a brief post on the gear used in climbing. Well, brief might not be the right word, but it is certainly a post. This post should quickly introduce you to the high cost of adminssion to climbing.Personal GearShoes Climbing shoes are an experience. I normally wear size 9.5 sneakers. My climbing shoes are size 8, and I would say they are a bit on the large size. The shoes are highly asymetrical, have a very stiff sole, and sticky rubber. They allow you to comfortably stand on ledges 1/4″ wide.Harness This is one of your many links between life and death. At it’s simplest, a harness is a piece of nylon webbing (like thin seatbelts) that is wrapped around your legs and waist and clipped/tied in to the rope. If you fall, you are caught by the rope and your harness. Modern harnesses are a little more advanced, with coutoured padding and loops for gear.Chalk Chalk is used just like in gymnastics. You rub it on your hands to keep them dry. Chalk is carried in a chalk bag, usually dangling from the back of your harness.Helmet Everybody should have a helmet for every sport they do. If you don’t were a helmet, you are stupid. There are climbing accidents (usually rock fall) every year that would not have been fatal if the person were wearing a helmet.Carabiners As a climber, I don’t think you can ever have too many biners (or krabs for you brits). It is simply a loop of alluminum, with a gate in it, that you use to clip things together. Most biners have closed strengths of ~22kn, and open strengths of ~9kn. That is bloody strong.Belay Device The belay device is what makes is possible to stop a falling climber. Belay devices generally use passing the rope through tight bends, creating huge amounts of friction, to allow you to stop a person falling 100′ feet with one hand. There are fancy ones out there that lock automatically in falls, and do other fancy stuff. I don’t like those. I keep my shit simple. Belay devices are also used to rapel. I will frequently refer to them as ATCs. (The one I use is a Black Diamond Air Traffic Controller.)Nut Tool A nut tool is used to extract gear after it has been placed. It has a pointy end, with a little beek for grabbing stuff (like cam triggers). This allows you to get access to gear that has been placed too far into a crack for your big grubby fingers to get at. It is also good for hittin stuff with. And, mine, even has a bottle opener built into the body.Everything ElseRope Climbing ropes are miracles of the modern textile industry. They are spectactular. The are constructed of a large number of small nylon fibers in the core, with a braided nylon sheath. (Kernmantle construction is the fancy term for it.) They are designed to stretch in a fall by as much as 6-7%, and reduce the impact force of a fall to just several kn.Slings/Webbing These are used everywhere when climbing. They are made from a piece of flat nylon either tied or sewn into a loop. With nylon, the strand is actually a tube, flattened and sewn flat (why they are called tubular webbing). There are also slings made out of all sorts of fancy new fibers. When they have a biner on either end, they are referred to as draws (quickdraws). They are clipped into a piece of protection with one biner, and the rope with another. This allows the rope to run straighter, and isolates the protection from movement in the rope. They are also used by climbers to clip thier harneses into anchors, attach thier camera to thier harness, just about everything.Nuts A nut is a little wedge of metal with sling or cable attached to it. They come in sizes from about a grain of corn to about two fingers wide. You take one that is just the right size, and slip it into a constriction in a crack in the rock. Then clip the rope to the sling or wire (usually you actually clip a draw to the nut, and then the rope to the draw). Then, when you fall, this magic little widget will stop your fall. It is considered static pro, becuase it’s grip on the rock does not depend on the amount of force applied.Hex A hex is similar to a nut, exept it has a diffrent shape, and are generally used in large cracks. The small hexes are about the same size as large nuts, and the large hexes go up to about the size of a fist or two. Some hexes have the sling or cable that they are attached to off center, so when force is applied, the have a camming action that wedges them harder into the rock.Cams Cams are the do alls of climbing pro. Where as a hex or nut needs to be carefully sized to the crack, and must be placed where the pull will be against a constriction, a cam can go anywhere. They are spring loaded, so when their trigger is pulled, the lobes rotate inward and the size of the cam decreases. Then, when released, they spring back to whatever size of crack they have been put in to. Then, when a force is applied, the harder they are pulled on, the harder the cams rotate outward and lock against the rock. This means that they can be placed in parrell cracks, without a constriction for them to get lodged behind. Each size cam has a range of openings it can be placed in (a number 2 BD Camelot fits openings from 32-68mm). The downside to cams are that they are expensive and heavy (from $50-250). They come in sizes from about 1/4″ all they way up to Valley Giants at about 2feet.Random ass other pro Since there are so many different types of climbing, the types of pro are equally diverse. Ranging from lowballs for super thin seems, to big bros for huge 2′ wide cracks.So, this covers most of the gear that you will see me talk about. There is still a more or less infinate amout of gear that I have not covered, but this gives you an idea. As I write, hopefully, I can convey how all of these individual parts are put together to form a safe, redundant, climbing system that I am willing to commit my life to.