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  1. #11
    Join Date
    Dec 2006
    Location
    Tigard, Oregon
    Posts
    3,016

    Default

    Quote Originally Posted by walb0244 View Post
    Nobody is able to take some measurements for me? I would really appreciate it.
    I've got an 06 double axle. Let me know what measurements you need and I will try to get them this weekend. Keep in mind though that my boat is on the trailer so that may limit what I can measure as far as side to side measurements. Email me what you need - alcab63@frontier.com
    Al

    2006 Mobius LSV

  2. #12
    Join Date
    Aug 2013
    Location
    Edmond, OK
    Posts
    10

    Default

    Make sure that you get your tongue weight correct. If you don't the trailer will pull like crap or even be dangerous. I think Boatmate puts 7% of total package weight (Boat and Trailer Combined) on the tongue. You can get it close by centering the tandems on the old axle centerline but, I'm guessing that you'll have to push the axles back a few inches to load the tongue correctly. I recommend tying the two axles together as a unit at the desired spacing with a piece of square tube "heavy tacked welded" to both of them. Put the square tube directly under the current frame rails like a spacer between the axles and frame. Align the centerline of the tandem unit to the old centerline clamp it to the frame and measure the tongue weight. If it is too light or too heavy, un-clamp, adjust, re-clamp, and measure.

    Make sure that the "tandem unit" is square and centered side-to side and make sure that every time you clamp the unit to the frame you make sure the measurement from the front of the tandem unit at the port frame rail to the front of the tongue equals the the same measurement on the starboard side. Doing this makes sure that your trailer tracks straight behind you. Once you get it right, mark your new centerlines and then determine how you want to affix them.

    Good Luck! if you have any design questions, I'll be happy to help.
    William

    2013 Moomba Mobius LSV with "Surf" Swim Platform
    JL Audio M600/6 Amp, 4-Polk Audio DB 651 Cabin Speakers, 2-Sampson S7HD Tower Speakers, 1-JL Audio M10IB5 Subwoofer

    My Boat

  3. #13
    Join Date
    Mar 2013
    Location
    Orillia, Ontario< Canada
    Posts
    35

    Default

    Are these torsion axles the short ones that bolt on a frame or full length axles similar to what you would use with a conventional leaf spring set up?

  4. #14
    Join Date
    May 2010
    Location
    Terre Haute, IN
    Posts
    265

    Default

    Full width torsion axles.
    2006 Mobius LSV

  5. #15
    Join Date
    Mar 2013
    Location
    Orillia, Ontario< Canada
    Posts
    35

    Default

    If it were me I would build an angle iron frame to mount the axles to and bolt them to the frame of the trailer to make them adjustable in case you miss the placement of the axles. If you are interested in doing this I can walk you through it. Today I removed my dads boat from the water for the season, his lift is giving him grief, and after towing his 19ft deck boat I remembered how crappy his trailer pulls. It needs more tongue weight, my dad says to me "so that's not normal?" At every bounce it was clunking on the ball.

    Brian

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