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  1. #1
    Join Date
    Aug 2009
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    Vancouver WA
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    1,111

    Default Help me optimize the ballast for my 92 Sunsport DD for a surf wake.

    I'd love some help with optimizing the bags and layout for my ballast on my 92 sunsport direct drive. It seems like a fairly popular model on these forums, so I'm hoping I can leverage others experience.


    I currently have a hard plumbed fly high bag that fills the space beneath the rear seats.



    I'm going to add a Fly High X-series Tube Sack that will fill the ski locker (I'll put in some valves so I can fill them both from my impeller based Ballast Puppy pump). This is the setup that the previous owner had, but he kept the ski locker sack when he sold me the boat.

    The previous owner gave me another bag that I'll be able to use to fill the center locker at the rear of the playpen.

    Right now I have dual batteries under the passenger seat (might add a 3rd battery if I get ambitous sometime).

    I'm thinking that 1 more bag on the floor alongside of the engine compartment would finish up the job. Maybe pick up the Fly High X-series 50x20x20 sack? --or will that even fit? (I'm at work dreaming of surfing, so I can't just run outside and measure my boat's floorspace).

    Will that be too much with everything predominately in the stern? Or just right?

    Keep in mind that I'd like to optimize with the idea that most the time I'll have a minimal crew with me. Often just 2 or 3 others.

    http://www.wakemakers.com/wakeboard-...manufacturer=6
    2008 Moomba Mobius XLV. Monster Cargo Bimini, and more mods to come...

    1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.


    Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2002 Audi S6 Avant, 2005 Kawasaki ZX-6R 636.

  2. #2
    Join Date
    Sep 2004
    Location
    Hudson, WI
    Posts
    2,651

    Default

    50x20x20 should fit perfectly either behind the engine or next to the engine.

    Too much weight is better than not enough. Sounds like you've got a good plan but with only 2 people you might still be a little light.
    Former owner of a 1987 Supra Saltare. Current owner of a Malibu 23LSV.

  3. #3
    Join Date
    Aug 2009
    Location
    Vancouver WA
    Posts
    1,111

    Default

    Quote Originally Posted by wotan2525 View Post
    50x20x20 should fit perfectly either behind the engine or next to the engine.

    Too much weight is better than not enough. Sounds like you've got a good plan but with only 2 people you might still be a little light.
    Well, I do have 6 bags of cement that the previous owner wrapped in duct tape that I could use for static ballast. they can be stashed in pretty much any of the storage lockers (except the one w/ the batteries). But I'm just kinda leary about ballast that I have to haul around when trailering the boat... (not that it's a big deal going under 10 miles to the launch)
    2008 Moomba Mobius XLV. Monster Cargo Bimini, and more mods to come...

    1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.


    Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2002 Audi S6 Avant, 2005 Kawasaki ZX-6R 636.

  4. #4
    Join Date
    Jul 2010
    Location
    N.W. Suburbs Chicago, IL
    Posts
    2,307

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    Quote Originally Posted by trayson View Post
    Well, I do have 6 bags of cement that the previous owner wrapped in duct tape that I could use for static ballast. they can be stashed in pretty much any of the storage lockers (except the one w/ the batteries). But I'm just kinda leary about ballast that I have to haul around when trailering the boat... (not that it's a big deal going under 10 miles to the launch)
    The issue with ballast other than water ballast is that in the event that you were to ever overload your boat and swamp it, water ballast will not continue to drive your boat to rest on the bottom, non water ballast such as these cement bags or weights for working out will.
    '86 Comp TS6M - Reborn 2016
    Riding a HO Sports CX Ski

  5. #5
    Join Date
    Aug 2009
    Location
    Vancouver WA
    Posts
    1,111

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    Quote Originally Posted by Jetlink View Post
    The issue with ballast other than water ballast is that in the event that you were to ever overload your boat and swamp it, water ballast will not continue to drive your boat to rest on the bottom, non water ballast such as these cement bags or weights for working out will.
    Yeah, I agree. While non-water ballast is "cheap and easy", in the event that something bad happened, the price of water ballast gets surprisingly cheap when compared to the cost of sinking the boat!!
    2008 Moomba Mobius XLV. Monster Cargo Bimini, and more mods to come...

    1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.


    Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2002 Audi S6 Avant, 2005 Kawasaki ZX-6R 636.

  6. #6
    Join Date
    Sep 2011
    Location
    Amherst, WI
    Posts
    443

    Default

    Trayson--can you pull that bag to the side for me and take some pics of what the PO did to the supports under the bench seat? Mine have framing under each cross bar so that my bench has 3 separate storage compartments.
    Kevin



    1993 Supra Sunsport
    5.8 351 HO PCM @ 285hp / PCM (40 A) 1.23:1
    Acme 422 Propeller 4 Blade 12.5 X 15.5 RH 1" Bore .105 cup
    Ballast: (2) 540 lb and (2) 350 lb Straight Line Launch Pad
    Wakeboard: CWB Absolute w/ Faction bindings / Surfboards: Hyperlite Coex & Broadcast

    "Don't measure yourself by what you have accomplished, but by what you should have accomplished with your ability." ~John Wooden

  7. #7
    Join Date
    Jul 2010
    Location
    N.W. Suburbs Chicago, IL
    Posts
    2,307

    Default Help me optimize the ballast for my 92 Sunsport DD for a surf wake.

    Add ballast to the bow on the surf side so you can start to create a pocket. The pocket is what will allow you to surf without the rope.
    '86 Comp TS6M - Reborn 2016
    Riding a HO Sports CX Ski

  8. #8
    Join Date
    Dec 2012
    Location
    Clark, CO.
    Posts
    587

    Default

    Quote Originally Posted by Jetlink View Post
    Add ballast to the bow on the surf side so you can start to create a pocket. The pocket is what will allow you to surf without the rope.
    I agree, when you have all the weight in the rear you get a very steep but short wave(small pocket). Adding weight to the bow will lengthen the wave and make it slightly less steep(longer pocket).
    Function before fashion!

  9. #9
    Join Date
    Aug 2009
    Location
    Vancouver WA
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    That makes a lot of sense. Sounds like I'll have some trial and error to dial it in when my ballast shows up. I can't wait. Right now I'm 100% on the rope with my lack of surf wake. My left arm is so sore!
    2008 Moomba Mobius XLV. Monster Cargo Bimini, and more mods to come...

    1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.


    Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2002 Audi S6 Avant, 2005 Kawasaki ZX-6R 636.

  10. #10
    Join Date
    Dec 2012
    Location
    Clark, CO.
    Posts
    587

    Default


    the picture doesn't do the wave justice
    Function before fashion!

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