Test Reports Archive
Roping and rigging equipment compatibility. Industrial round slings are normally used to connect a load or anchor to rigging equipment via shackles. There seems to be an increasing tendency to use these round slings for rope based
Three-way loading of carabiners. This issue is often presented as black-and-white and is rarely given much consideration. Most users know that manufacturers warn against certain loadings but what does this really mean? Carabiner manufacturers show that is
Rope grabs: when will they slip? There are many rope grabs used by technicians including: Personal ascenders Attachment devices for raising people and loads Attachment devices for positioning people and loads Just how much can each of
Auto locking belay devices: when will the rope slip? There are many auto-locking devices used by technicians as: Personal descenders Anchored devices for lowering loads Anchored devices to hold tension while raising loads Just how much can
Friction through Progress Capture Devices (PCDs). This image shows three different devices rigged and loaded as if positioned at the back of a hauling system. We can use the Capstan equation to predict the loss through each
