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Going from 7mm to 5mm: How much weight gets ditched?

Discussion in 'General Scuba Equipment Discussions' started by Eyegore, Nov 14, 2019.

  1. Eyegore

    Eyegore Nassau Grouper

    # of Dives: I just don't log dives
    Location: Keyboard
    72
    24
    8
    Howdy. Currently using a BARE 7mm Sport S-Flex and will get another, but a 5mm. Current weight belt is 20 lbs. How much weight might I ditch?
     
  2. Esprise Me

    Esprise Me Kelp forest dweller ScubaBoard Supporter

    # of Dives: 50 - 99
    Location: Los Angeles, CA
    424
    404
    63
    Not much, maybe 2 pounds.
     
    Eyegore likes this.
  3. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    3,361
    3,752
    113
    5-6 lb for suit.
    Are you ditching a hood as well? Changing thickness of an existing hood? Maybe another 0.25-1#.
     
    Eyegore likes this.
  4. Dan

    Dan Orca

    # of Dives: 500 - 999
    Location: Lake Jackson, Texas
    5,542
    3,087
    113
    I use 12, 14, 16 pound weights for 3, 5, 7 mm wetsuits. So I add a pound weight for a mm thicker wetsuit.
     
    Eyegore likes this.
  5. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    3,361
    3,752
    113
    Let us know how it turns out!
     
    Eyegore likes this.
  6. mi000ke

    mi000ke Manta Ray

    # of Dives: 100 - 199
    Location: Massachusetts & Grand Cayman Island
    766
    791
    93
    for me, 4 lb - but you'll need to experiment given the range of answers. Maybe start with 2 lb, as the worst is that you will be slightly overweighted.
     
    Eyegore likes this.
  7. johndiver999

    johndiver999 Manta Ray

    # of Dives: 500 - 999
    Location: Gainesville FL
    875
    771
    93
    Depends a lot on how old and compressed the 7 mm is versus a brand new 5 mm. Start w/ 2 lbs as first shot.
     
    nippurmagnum and Eyegore like this.
  8. Eyegore

    Eyegore Nassau Grouper

    # of Dives: I just don't log dives
    Location: Keyboard
    72
    24
    8
    Thank you, I kinda thought the same.
    Newp, keeping the hooded vest. I chatted with the nice folks at Kona Diving Co. and learned that the instructors there wear 7mm suits and use hoods. In the interest of preserving suitcase space, having better freedom-of-movement while wearing it, and having a (somewhat) lighter weight-belt, I think a 5mm would be a better choice.
    Agreed, I'd rather be slightly overweighted.
     
  9. Eyegore

    Eyegore Nassau Grouper

    # of Dives: I just don't log dives
    Location: Keyboard
    72
    24
    8
    I will do so. Trip is in December.
     
  10. Eyegore

    Eyegore Nassau Grouper

    # of Dives: I just don't log dives
    Location: Keyboard
    72
    24
    8
    Thank you, it's a new 7mm. Just got back into diving after a 16 year hiatus. I will start with two pounds.
     

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