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  1. #1
    Join Date
    Jan 2019
    Posts
    6

    Default Surf tabs on a direct drive (ski boat)

    Is there someone that already installed surf tabs on a direct drive boat (ski boat)? I have a Supra Launch LTS 2004 boat and I would like to add some home made automatic tabs to improve the wave. Currently, with 800 lbs in the front and 1200 lbs in the back, I am able to surf but I would like to improve my wave without buying a new V-drive boat.

    Thanks
    Eric

  2. #2
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    996

    Default

    Not many people looking to spend $3-4K on tabs for a boat when most d-drives can be worth 20k?

    Not saying you have a 20k boat, but I do not think you will find many on those hulls.


    Sent from my iPhone using Tapatalk
    2007 Supra SSV 22'

  3. #3
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    996

    Default

    Good for you if you can make home made ones and save the $$.


    Sent from my iPhone using Tapatalk
    2007 Supra SSV 22'

  4. #4
    Join Date
    May 2013
    Location
    Gainesville, GA
    Posts
    70

    Default

    It is definitely do-able.

    Here is a thread on a homemade system.

    https://forum.moomba.com/showthread....ight=Surf+tabs


    Wakemakers sells a kit.

    https://www.wakemakers.com/go-surf-a...QaAhyCEALw_wcB

    Iím pretty sure these could be modified, depending on how handy you are.

    https://www.iboats.com/shop/lenco-12...UaAkVpEALw_wcB
    -Blaine

    2019 Makai
    2013 LSV (sold)
    1997 Bayliner 1850 (sold)

  5. #5
    Join Date
    Aug 2017
    Posts
    501

    Default

    Quote Originally Posted by The_Robo_Fighter View Post
    It is definitely do-able.

    Here is a thread on a homemade system.

    https://forum.moomba.com/showthread....ight=Surf+tabs


    Wakemakers sells a kit.

    https://www.wakemakers.com/go-surf-a...QaAhyCEALw_wcB

    Iím pretty sure these could be modified, depending on how handy you are.

    https://www.iboats.com/shop/lenco-12...UaAkVpEALw_wcB
    Those homemade ones are mine. I have about $1k in the GSA-style tabs setup, or $750 with the silver, less-complicated tabs.
    2014 Moomba Mondo

  6. #6
    Join Date
    Jan 2019
    Posts
    6

    Default

    Thanks guys. I already read those thread (well done shoebox btw, it's awesome) but i couldn't find anything for direct drive boad.
    ;
    I decided to go ahead and give it a try. Here is the design i will was thinking to install :

    gate_1.JPG
    gate_2.JPG
    Attachment 27988
    gate_3.JPG

    Undeployed it's -15 degrees and it will go up to 30 degrees fully deployed.

    I will be using the lenco 101 XDS actuator (already ordered) and i will be controlling this with an Arduino MEGA so i can hook it up to a screen and a GPS module. This way I can program some automation (auto retraction after X mph, etc.).

    Since i don't want to drill my hull, i will make an aluminium structure that will be attached to the swim plate brackets. My swimming plate is very low with all the extra weight i put in the back so i will use a 2'' Aluminium C beam to jack it up and i will also attach my surf tabs structure on it.

    I am from Montreal so i have about 5 months to get this done before i can give it a try so that should give me plenty of time.

    Any thoughts ?

  7. #7
    Join Date
    Aug 2017
    Posts
    501

    Default

    You're going to have to drill into your hull to mount the tabs, so why not a couple more holes for the actuator? It would save a ton of time and effort.

    It looks great, a lot like the Mastercraft tabs. That outward angle should probably make for a great wave, since you're getting a little tab effect, and a little gate effect.

    As I mentioned in my write up, I'd recommend tapping the hinge holes and use machine screws, not sheetmetal screws, unless you have access that you can through-bolt.
    2014 Moomba Mondo

  8. #8
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    996

    Default

    Does your swim platform interfere with your wake?


    Sent from my iPhone using Tapatalk
    2007 Supra SSV 22'

  9. #9
    Join Date
    May 2013
    Location
    Vancouver WA
    Posts
    4,605

    Default

    I did a surf system like Nautique's NSS on my Direct Drive. It worked pretty well. It was actually cost effective and I could change sides in under 30 seconds manually.

    https://forum.supraboats.com/showthr...-after-the-NSS
    2008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...

    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, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.

  10. #10
    Join Date
    Aug 2011
    Posts
    2,214

    Default

    Save your money and time and use a suck gate or ghetto gate.
    http://www.instgram.com/jlyons30
    2002 Moomba Mobius LSV - Sold
    2006 Moomba Mobius LSV - Sold
    2017 Moomba Craz - Enzos, Lead

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