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Which spool to attach transmitter to HP hose?

Discussion in 'Shearwater Research' started by BalekFekete, Jan 24, 2020.

  1. BalekFekete

    BalekFekete Nassau Grouper

    # of Dives: 25 - 49
    Location: Philadelphia, PA
    149
    101
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    Hi all,

    Just received a new (to me) Perdix AI and will be installing it on a short hose to my first stage. The question I have is what spool should I be using? My only other experience with AI was on my Suunto Vyper Novo which came with the spool/flow restrictor as part of the recall update.

    Thanks in advance!
     
  2. tbone1004

    tbone1004 Technical Instructor ScubaBoard Supporter

    # of Dives: I'm a Fish!
    Location: Greenville, South Carolina, United States
    16,637
    8,215
    113
    why do you want to put it on a HP hose? Just screw it into the first stage.
     
    Eyegore and lexvil like this.
  3. Mike1967

    Mike1967 Manta Ray

    # of Dives: 100 - 199
    Location: Victoria, Australia
    1,041
    478
    83
    This ^
     
    lexvil likes this.
  4. TerryC

    TerryC Master Instructor

    # of Dives: 2,500 - 4,999
    Location: St Kitts, West Indies
    215
    120
    43
    MargaritaMike and BalekFekete like this.
  5. Goingforsound

    Goingforsound Nassau Grouper

    # of Dives: 200 - 499
    Location: Philippines / Burkina Faso
    186
    102
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    Screwing in the first stage leads to unaware deck hands and dm's pulling and twisting it because they think its a valve knob.

    #divinginphilippines :)
     
  6. Diving Dubai

    Diving Dubai Instructor, Scuba

    # of Dives: 500 - 999
    Location: Dubai UAE
    3,411
    3,442
    113
    Because some people do and it suits the way and environment in which they dive
     
    markmud and MargaritaMike like this.
  7. outofofficebrb

    outofofficebrb HARRO HUNNAYYY

    # of Dives: 200 - 499
    Location: San Francisco, California
    3,297
    2,690
    113
    I do mostly liveaboard diving and the crew/deck hands are constantly pulling the tanks on and off the dinghies before/after dives and moving equipment around regularly. Some methods to do this are better than others (2-person carries) but for the single person carries, and how sometimes the tanks get stacked/piled on the dinghies after dives, it is a better idea for my diving situation to have it on a short HP hose than have it directly on the first stage without one. Many dinghies have you take off your gear before getting on and they pile or lean/stack the BCs/tanks on one side of the dinghy. It provides less resistance when it is on a short HP hose. Most deck hands/crew know not to grab the transmitter and know what it is. My concern is more about other tanks/hoses pulling/pushing against it.
     
  8. Fastmarc

    Fastmarc Just drifting along...

    # of Dives: 200 - 499
    Location: Kingston, Jamaica
    1,532
    423
    83
    Why does it need a spool? Isn't it for connecting something that needs to swivel?
     
  9. Mike1967

    Mike1967 Manta Ray

    # of Dives: 100 - 199
    Location: Victoria, Australia
    1,041
    478
    83
    There's no o-ring sealing face if you don't.
     
    gopbroek and markmud like this.
  10. tbone1004

    tbone1004 Technical Instructor ScubaBoard Supporter

    # of Dives: I'm a Fish!
    Location: Greenville, South Carolina, United States
    16,637
    8,215
    113
    which is fine so long as they can justify why they're doing it. If not, it's just adding unnecessary cost and potential leak points... For single tank diving, my first stage is canted off at almost a 90* angle, so they can't grab the transmitter.
     
    outofofficebrb likes this.

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