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aware of is the “pigtail” configuration of the reserve ripcord that results from the use of the RSL.  [Figure 2-60] Because of the sliding of the ring along the ripcord cable, a curling effect is imparted to the cable. This is a clear indication that the RSL lanyard activated the reserve. The rigger should carefully inspect the ripcord cable for any broken strands. If any are found, the ripcord should be replaced. If not, the cable can be straightened and returned to service. 

With the single side RSL, it is imperative that the main riser with the RSL attachment leave after the opposite riser. If the opposite riser stays connected while the RSL 

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deploys the reserve, there is the possibility of a main/reserve entanglement. To ensure the correct staging of the cutaway, the release cable of the RSL side must be longer than the cable on the opposite riser. A minimum of 1 inch is the standard differential. [Figure 2-61]  If non-compressible housings are not used, the staged separation is not reliable. 

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## Joint Efficiency 

Joint efficiency is the percentage of the measurement of strength when applied to the junction or fabrication of two or more materials. An example is the cross seam in a canopy gore where two panels of fabric are joined. The strength of the seam needs to be greater than the strength of the fabric. 

