Dual Main Rope Rescue Systems, Twin Tensioned Rope Systems (TTRS), DCTTRS, SMSB Overview

TTRS are the hottest trend this decade in technical rope rescue, but what is a TTRS? In this video, I break down a variety of common rope rescue systems like "dedicated main, dedicated belay", "single main, separate belay", dual main systems, twin tensioned rope systems, dual capability two tensioned rope systems, and mirrored systems.

Source for the RPM slide:
https://www.slideserve.com/myrrh/the-...


Information on the 2010 Phoenix testing of Tandem Prusik belays:
https://www.firefighternation.com/fir...

More on the Phoenix testing:
https://www.desertrescue.com/two-tens...

Video for the 2010 Phoenix testing: How far will you fall?
https://www.youtube.com/embed/smRb_X9...

Mauthner / Basecamp Innovations sharp edge testing DMDB vs TTRS:
   • Rope Rescue Systems Testing - Main/Belay (...  

https://www.desertrescue.com/two-tens...

https://rigginglabacademy.com/two-ten...

https://rigginglabacademy.com/dual-ca...


Videos on CMC double Clutch systems:
   • Using the CLUTCH in a Twin Tension Rope Sy...  
   • CMC 11mm CLUTCH Lowering & Hauling | CMC  

  / psa_ropes_cut_with_one_swipe_of_a_knife  

Rope failure information from the 2010 Yellow Spur incident:
https://internal.rockymountainrescue....

Dual Main Systems by Richard Delaney https://www.ropelab.com.au/dual-main-...

That is the question...
https://riggingforrescue.com/wp-conte...

If you've read this far, you would definitely like to look at the patent for the MPD:
https://patents.google.com/patent/US7...