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DAAM, it happened again...

Discussion in 'Vintage Diving & Equipment' started by Ghost95, Jan 21, 2021.

  1. Luis H

    Luis H Instructor, Scuba

    # of Dives: I'm a Fish!
    Location: Maine
    3,015
    1,342

    Actually (IMHO) attaching the harness directly to the cylinder with just bands was a very bad idea, because the shoulder straps are attached too low, just below the tank shoulder. This allows the top of the cylinder to move too much side-to-side. I have seen divers with the cylinder on their back diagonally and rocking (if they are swimming fast).

    The only way to control the side motion of the top of the cylinder is by attaching the harness to a plate that extends up past the shoulder of the cylinder. The real trick is how to do that while not interfering with the can of a double hose regulator.

    We have seen a few solutions that work, either a thin plate (like the Freedom plate), a somewhat flexible plate (like the Zeagle Express), or a plate with a cutout specifically for the double-hose (like the double hose plate). The thin vintage backpacks also worked great (The Nemrod and White Stag did not crack like the US Divers). All of these solutions are (IMHO) actually better than the original harness attached to the cylinder with just metal bands; they control the cylinder better and place the DH demand valve in the preferred location.
     
    Eric Sedletzky, Scuba Lawyer and couv like this.
  2. scrane

    scrane Contributor

    # of Dives: 500 - 999
    Location: Boise, ID.
    1,269
    971
    I lucked upon one of Bryan's flat double hose plates (thanks Lexvil!) and it works great for me in diving double hose and single hose. It's the only plate I use. It's especially great for travel, taking up virtually no room at all. I wish someone would make them available again.
     
    couv and lexvil like this.

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