Page 69 - Rappelling

all the load goes onto one anchor point (albeit with minimal shock loading, since the rigging limits
minimal extension), unlike a self-equalizing system extension.
that adjusts with changes in the direction of load-
ing. For rappel anchor systems, you can, in most Self-Equalizing Systems
cases, readily determine the direction your anchor the sliding x
system will be loaded, so complex self-equalizing The sliding X (aka magic X) is a simple way to
rigs are not required. equalize two anchor points with a sling, creating a
The pre-equalized system is essentially a sys- mini-anchor system that adjusts as the load shifts in
tem of backups. If one anchor point fails, the load direction. In scrutinizing the overall anchor system,
transfers instantly to the remaining anchors with if I use a sliding X between two pieces, I count

Rigging a Sliding X

The sliding X, or magic X, is a self-equalizing system that adjusts with changes in the direction of
loading.

58 RAPPELLING

Rappelling_i-174_3pp_CS55le.indd 58 7/24/13 10:16 AM