Spring-Loaded Camming Devices

A spring-loaded camming device (also SLCD, cam or friend) is a piece of rock climbing or mountaineering protection equipment. It consists of two, three, or four cams mounted on a common axle or two adjacent axles, so that pulling on the axle forces the cams to spread farther apart.

In the three decades since spring-loaded camming devices were invented, they’ve radically transformed the notion of what climbs can be led safely. Here’s a little lore about modern climbing’s most revolutionary piece of protection. The essential brilliance of spring-loaded camming devices (SLCDs) is their lobes’ shape, which is described mathematically as a logarithmic spiral. The same curving lines are found naturally in seashells, pine cones, flower heads, and even in the basic form of our own galaxy, the Milky Way.

Spring-loaded camming devices (SLCDs) are essential pieces of climbing equipment. Learn about cams, how they work, how to place them, and which ones to buy.

SAVE on Sets or 10% 5 or mone on cams (SLCDs) by Black Diamond, CAMP, CCH DMM, Omega, Trango and Wild Country.

Choosing the right climbing cams can be a daunting task, especially if you're just starting to put your rack together. We purchased 8 of the top brands and put them through exhaustive side by side testing over the course of a few months. Placement after placement, we were on a mission to find the...

The Basics of SLCD

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Spring loaded camming devices ( aka. Cams, Freinds, active protection) revolutionised climbing since their release in the late 1970s. Head to www.obsessioncl...

A spring loaded camming device and a trigger mechanism therefor. The trigger mechanism may include an axle, an inner and outer cam, a flexible stem, a trigger handle, and a trigger wire passing through the trigger wire and coupling in an efficient and effective manner, the inner and outer cams to each other and to the trigger handle. A bias member may be associated with the trigger wire, particularly in asymmetric type camming devices. Various embodiments are disclosed.

How to place active protection during a traditional rock climb.

Have spring loaded camming devices replaced nuts? - SuperTopo's climbing discussion forum is the world's most popular community discussion forum for people who actively climb outdoors.

If you enjoy trad climbing and mountaineering, no doubt you'll have a selection of camming devices as part of your rack. But do you ever check them for damage or wear and tear?

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A Spring loaded camming device (also called an SLCD, cam or a "friend") is a extremely useful piece of rock climbing or mountaineering protection equipment.