Skate Block/Tracking Line Hybrid Offset: Litter Through an A-Frame/Gin Pole Combination AHD

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  • Опубліковано 22 гру 2024

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  • @janico6
    @janico6 11 місяців тому

    Great video!!! Very detailed explanation during all the development. In my opinion, the redundancy option is very good. In our academy the bowline knot is banned😢, we use figure 8 on bight most of the time...

    • @Propeller_Head
      @Propeller_Head  11 місяців тому +1

      Wow. Pretty extreme & micro-managerial to ban such a relevant knot. I'm sorry for you

  • @darksether9590
    @darksether9590 Місяць тому

    very nice

  • @perryfire3006
    @perryfire3006 11 місяців тому

    I don't know how long it took you set that up but would a pivoting A-frame secured in the middle have worked? Would it have saved you any time?

    • @Propeller_Head
      @Propeller_Head  11 місяців тому +1

      Similar to a Gantry? Probably not a time saver... That would take more operators for sure. Plus the A-Frame would have to be a whole lot higher.... like Gold Strut kind of height. But interesting idea for sure.... Worth a visit to the old white board to sketch it out.

  • @resq76
    @resq76 11 місяців тому

    Bob I keep forgetting to ask? When you guys do twin tension systems for a raising or lower, do you guys put attachments on the waist? Or do you do one on the waist and one on the sternum?

    • @Propeller_Head
      @Propeller_Head  11 місяців тому +1

      For a rescuer on the end of the system, there's always a primary which is on the Ventral/Pelvic, and a belay/backup which is either @ Sternal or Dorsal (rescuer's choice) unless we're operating in a backcoutry environment w/ just a seat harness in which case both connections can go to Ventral. So now you're probably thinking "So which line is connected where?" My rigging philosophy: A lot of us have embraced the use of the Double/Interlocking Long-Tail Bowline... or any midline knot system that will bring both ropes together into a central point and then offer a continuation beyond the knot for a backup connection. This configuration works for all 2-rope applications/scenarios whether it be a two/twin tension system or single-main-single-belay system. So now, if we look critically, the rescuer's primary connection is via the yoke of the midline knot(s) to the Ventral point on the harness while the backup is on one of the long tails coming out.... End result: the rescuer is connected into two points on a 2-rope system one of which is a primary and one of which is a backup. The system belay ends at the yoke/MAP, or loop of the midline knot(s). So therefore it doesn't matter, from the perspective of the rescuer, which line does what. However, the anchoring landscape on the topside WILL influence the mode of operation (SM-SB vs. TTRS) & which line is going to do what task. Long winded response.... but they always are

    • @resq76
      @resq76 11 місяців тому

      This would be a GREAT video! Thanks!! @@Propeller_Head

    • @Propeller_Head
      @Propeller_Head  11 місяців тому +2

      ... as for a patient in a litter, IF the patient is properly secured w/ internal & external lashing, then then the patient needs no further connections. If there is any concern, then one of the long tails can be attached to the litter as a backup should the litter bridle fail. In my opinion, under no circumstances should the backup long tail be connected directly to the patient. Unfortunately, most fire departments, training companies, & "UA-camrs" commonly practice this, often without any critical thinking involved... it has become dogma.

    • @resq76
      @resq76 11 місяців тому

      Again I think this would be a great short video topic. Attachment point pros and cons and what works best.

  • @joeynickdotnet
    @joeynickdotnet 11 місяців тому

    Any particular reason you went with a skate block versus a cross haul?

    • @Propeller_Head
      @Propeller_Head  11 місяців тому +2

      Cross-hauls (two-rope offsets) only work when you have two high-points across a span that you are operating from that are not only high, but much higher in relation to the span... Basically it's an alternative to a reeving or drooping highline system. Since we only have one high point and it is located between the patient and the egress, cross-hauls (two-rope offsets), dynamic directionals (deflection offsets), & highlines are off the table as a transport option... the geometry of the landscape/canvas does not support these types of systems.

  • @JimT225
    @JimT225 11 місяців тому

    Bob way to keep the bar high (no pun intended).

  • @Searchingk9
    @Searchingk9 11 місяців тому

    Sweet!