Here’s a few photos and a some of the data from the day spent playing around with rigging methods for rigging improvised Tyrolean for groups.
Hauls by hand only (no MA)
Italian Hitch an Prusik
Italian Hitch and Pruskin (5:1)
Tensioning 2 ropes
Non agressieve jammer (no teeth!)
Flattened rope from the jammer
Tension on both ropes (peak during tensioning also visible)
Load with 1 person mid rope 2 tensioned
Two ropes…
…or one
3:1, 17m traverse
Loads with a 3:1 tensioned rope 17m zip line
Loads in use (including George launching himself off!!)
Rigging the longer zip line