Army Lowering Device

Version B, Version A

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Version A

The US Army provides 111 pages of instruction for this device in TM 10-1670-251-12, but to save time, I'll just point out that there are better rappelling devices available and cavers, climbers and rescue types can find better reading material. To use the device, one must first pre-rig the rope by "entwining" the rope through the bars. The field manual provides different patters depending on the load being lowered; however, I find that these patterns provide too much friction when used with normal caving ropes. The bars are hollow and welded to the stamped frame. A small tab on the side can be used for tying off.

There is a special gage for determining if the device is too worn for safe use; however, I haven't found one yet.

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Version B

Version B is identical to Version A, except it does not have the sewn sling.

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