Be a fan of ScubaBoard.com

Welcome to ScubaBoard, an online scuba diving forum community where you can join over 205,000 divers from around the world discussing all things related to Scuba Diving. To gain full access to ScubaBoard (and make this large box go away) you must register for a free account. As a registered member you will be able to:

  • Participate in over 500 dive topic forums and browse from over 5,500,000 posts.
  • Communicate privately with other divers from around the world.
  • Post your own photos or view from well over 100,000 user submitted images.
  • Gain access to our free classifieds marketplace to buy, sell and trade gear, travel and services.
  • Use the calendar to organize your events and enroll in other members' events.
All this and much more is available to you absolutely free when you register for an account, so sign up today!

If you have any problems with the registration process or your account login, please contact the ScubaBoard Support Team.
Results 1 to 8 of 8


  1. #1
    Tech Diver


    bacon.
     

    vjanelle's Avatar
    Join Date
    Mar 2009
    Location
    Vancouver, British Columbia, Canada
    Posts
    545
    Dives
    100 - 199

    Scooter trimming techniques

    Anyone have any recommendations for trimming out a x-scooter(sierra), short of taking it apart to add little bits of weight each time?

  2. #2
    ScubaBoard Enthusiast


    is Happy Now!
     

    HBDiveGirl's Avatar
    Join Date
    Nov 2004
    Location
    Underwater SoCal. There's no place I'd rather be :)
    Posts
    1,276
    Dives
    1,000 - 2,499
    Quote Originally Posted by vjanelle View Post
    Anyone have any recommendations for trimming out a x-scooter(sierra), short of taking it apart to add little bits of weight each time?
    The last time I did this with a new scooter, I started at the boat dock.
    I guessed about nose and tail weight pouches, tossed them in, put the battery in place and lowered the scooter into the water to check.

    3 repetitions and I was close.

    Then I dived it like crazy for a day, felt how it behaved when clipped off, and while on deco stops.....and did one final set of tweaks.

    Done.

    Last steps: Label the weight pouches (nose vs. tail).
    Weigh them on an accurate digital scale and record the numbers in case a pouch is lost and you need to recreate it.

    Have fun!
    If you're even in the ballpark you can still have great dives while you're fine-tuning the weighting!

    ~~~~~
    Claudette
    "...Of course, this assumes you know the true performance of your scooter! Finding out the real speeds and range was the reason we started the Tahoe Benchmark. We initially relied on manufacturer supplied numbers and usually ended up swimming back." --fdog.

    The Dive Matrix.
    Intelligent discussions... about smart diving!

  3. #3
    Tech Diver


    bacon.
     

    vjanelle's Avatar
    Join Date
    Mar 2009
    Location
    Vancouver, British Columbia, Canada
    Posts
    545
    Dives
    100 - 199
    The ones it came with are coloured different for stern/bow, but I'll try with their recomendations and check it out from there.

    Thanks!

  4. #4
    ScubaBoard Enthusiast


    Sir Silts-a-Lot
     

    PfcAJ's Avatar
    Join Date
    May 2005
    Location
    Orlando, Fl
    Dives
    5,000 - ∞
    This is how I do it with gavin scooters, I imagine the same principal applies:

    Put a thick rubber band (like you'd use on a stage, probably) or two around the scooter body, and shove the weight(s) in there. That way you can move it around and get it where you like it. After you sort that out, take the tube off and secure it inside the scooter.

  5. #5
    ScubaBoard Veteran


    Has not set a "status"
     

    rjack321's Avatar
    Join Date
    Mar 2005
    Location
    Port Orchard, WA
    Dives
    1,000 - 2,499
    With the X's there are only front and rear pouches. Easiest way is to put the scooter together with the recommended lead minus an ounce or so in front and another ounce in back.

    Then throw it in the water at a boat dock.

    See which end needs lead. Pour some lead in a ziplock baggie with a little bit of water. Squeeze out the air. Duct tape the baggie onto the outside of the scooter, nose, tail or both. Repeat adding or subtracting lead as required. Once you have the mass correct, pour the water out of the baggie. Dry the lead shot and add it to the inside pouches. Label the pouches with a sharpie.
    Quote Originally Posted by lamont View Post
    If someone has a "jesus take the wheel" approach to crisis, they shouldn't be cave/technical diving.

  6. #6
    Photographer


    Has not set a "status"
     

    rhlee's Avatar
    Join Date
    Oct 2005
    Location
    Bay Area, CA
    Posts
    540
    Dives
    500 - 999
    Photos
    62
    Instead of messing with lead in baggies, go out with a bunch of double-enders and use them (clipped to the nose or somewhere around the tail hardware as necessary) to trim out. Then tally it all up (1 double-ender ~= 0.2 lbs)

  7. #7
    ScubaBoard Veteran


    Has not set a "status"
     

    rjack321's Avatar
    Join Date
    Mar 2005
    Location
    Port Orchard, WA
    Dives
    1,000 - 2,499
    Nah that requires some sort of scale. 2 ziplock sandwich baggies, duct tape and no scale
    Quote Originally Posted by lamont View Post
    If someone has a "jesus take the wheel" approach to crisis, they shouldn't be cave/technical diving.

  8. #8
    Tech Diver


    bacon.
     

    vjanelle's Avatar
    Join Date
    Mar 2009
    Location
    Vancouver, British Columbia, Canada
    Posts
    545
    Dives
    100 - 199
    Put the recommended amount in there, I'll head out this weekend with some baggies and double enders if their recommended weighting doesn't work out.

    Thanks everyone!

Similar Threads

  1. FW v.s. SW trimming
    By Sailor612 in forum Advanced Scuba Discussions
    Replies: 6
    Last Post: April 23rd, 2009, 06:53 PM
  2. Trimming
    By Garrobo in forum Basic Scuba Discussions
    Replies: 10
    Last Post: October 9th, 2008, 10:02 AM
  3. Mako Trimming
    By scowens in forum Oceanic
    Replies: 4
    Last Post: July 20th, 2008, 11:50 PM
  4. FYI on trimming DUI Zip seals
    By JaxDvr in forum Exposure Suits
    Replies: 2
    Last Post: January 24th, 2008, 12:19 AM
  5. x-scooter vs. silent submersion scooter
    By ScubaMilo in forum SoCal
    Replies: 20
    Last Post: March 4th, 2006, 06:50 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •