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wing lift needed for a NJ Diver? Fresh/saltwater

Discussion in 'Buoyancy Compensators (BC's) and Weight Systems' started by twofor2, Apr 20, 2019.

  1. twofor2

    twofor2 Angel Fish

    I will be primarily diving in NJ east coast waters fresh and ocean water. My diving will mostly be in the summer/warmer 50F-75F months dont expect to do any dry suit diving anytime soon and eventually want to move to a single steel tank instead of an aluminum tank. Will probably be rocking a 7mm suit, hoodie and gloves with a steel back plate. Torn between VDH's #23 #35 currently. Also want to do tropic dives as well but not my main concern. weighing in around 150 lbs 5'7. Mostly basic dives nothing too crazy deep

    sidenote- open water courses I used around 19 lbs of weight with those rental BCDs.
  2. Mr. Sunday

    Mr. Sunday Instructor, Scuba

    # of Dives: I'm a Fish!
    Location: Seattle-WA-USA
    Id go with the 35
    stuartv likes this.
  3. swimlikethefish

    swimlikethefish Divemaster

  4. Fastmarc

    Fastmarc Just drifting along...

    # of Dives: 200 - 499
    Location: Kingston, Jamaica
    Actually the tool has been through an update and is now located here .
    Optimal Buoyancy Computer

    Very easy to use and has a great manual to assist. should be good help.
    swimlikethefish likes this.
  5. CptTightPants21

    CptTightPants21 Solo Diver

    # of Dives: 200 - 499
    Location: NY/NC/FL
    For NE single steel tank diving, you will want a wing with 30-40 lbs of lift
    stuartv likes this.
  6. -JD-

    -JD- Eclecticist ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Greater Philadelphia, PA
    Diving @ Dutch last season and away in Cozumel I was happy with my HOG 32#.
    OMS IQ soft pack
    5'10" 185#
    AL 80s to steel HP 100s & 120s
    3mm - 7mm wetsuits.
    8 to 14# of lead.

    With heavier steels, and correspondingly less ditchable lead, you should maybe consider some form of deployable redundant buoyancy.

    Use the Optimal Buoyancy Calculator to run some scenarios.
  7. rongoodman

    rongoodman ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 200 - 499
    Location: Albany, NY
    I thought all NJ divers had 90# OMS wings, with dual bladders and retraction bands. And T-shirts with pizza stains!
    tbone1004 and swimlikethefish like this.
  8. tbone1004

    tbone1004 Technical Instructor ScubaBoard Supporter

    # of Dives: I'm a Fish!
    Location: Greenville, South Carolina, United States
    with a 7mm I would not even consider a wing with less than 30lbs of lift.
    salt vs. fresh water does not matter since it is about displacement. You displace the same amount of water in either scenario, so you need the wing to displace the same amount of water. Sure the density changes, but then so does the lift.

    7mm is roughly 14lbs, so you need 14+, al80 is 6lbs, so you're at 20 for a bare minimum. That doesn't include anything else that you're holding, any extra lift you may need or want from a hooded vest if you get a little chily, any extra lift to keep your head high and dry at the surface etc.

    I bought the 35lb wing and use it for all of my single tank diving. That includes no wetsuit diving with an al80. The profile of the wing was done properly that I have no qualms diving it that way.
  9. twofor2

    twofor2 Angel Fish

    went with the VDH #35 the dimensions are great compared to similar sizes 30 wings
  10. drk5036

    drk5036 ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 100 - 199
    Location: Sapporo, Japan
    The 7 mm is never going to lose all it buoyancy due to compression tho, is it? Has anyone ever measure how much buoyancy is lost? I feel like your estimation is the most conservative bound; you’re basically calculating for if you completely lost your wetsuit but kept your weight belt on, aren’t you?

    Not that I necessarily disagree; I think a 30 lbs wing for 7 mm diving is a smart choice. But I feel like if you had a 23 lbs wing and even if **** really hit the fan, I can’t prove to myself you’d really have a problem.

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