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Thread: A nifty $15 cooling system tester

  1. #1
    Join Date
    May 2015
    Location
    IL
    Posts
    139

    Default A nifty $15 cooling system tester

    As the saying goes: necessity is the mother of all inventions. Had a water leak in my system and needed to test and while I was in my garage I saw my small fountain pump that I hadn't replaced yet. cut the top of package and used that as water tub, It came with several size fittings, then used some fairly large o.d hose that I got from a RC cooling kit that I had. worked it in the pump fitting, added a few drops of super glue and pushed in a bit more. connected hose to transom fitting, dropped pump in package tub and plugged in ac cord. To my amazement it looked to have the same output flow while running. Found my leak. This would be a great portable tester as long as you have access to a AC power source. Tetra® 75 GPH Fountain Pump, part #0204500 I got this at menards. Just a FYI that could maybe help boat racers. https://www.menards.com/main/store/2...0_75_pump2.jpg Hope this helps someone!
    SW26 V3 Green 35mph , Swifter Hydro 26. Delta Force 35. cars ,3 Rustlers 45-76 Mph.

  2. #2
    Join Date
    Jun 2022
    Location
    FL
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    2

    Default

    Nice thanks for the info

  3. #3
    Join Date
    Apr 2007
    Location
    AZ
    Posts
    7,954

    Cool

    Welcome to the forum. Checking the date I see that this thread is seven years old, the link posted above doesn?t work and the OP hasn?t been back to the forum in a year. He won?t see you kind post.




    .
    ERROR 403 - This is not the page you are looking for


  4. #4
    Join Date
    Apr 2007
    Location
    ma
    Posts
    8,666

    Default

    I use a 2-liter plastic bottle and the top. fit the top with a through-hull fitting and a piece of silicon tube.

    Attach to your boat, and then fill the bottle with water and squeeze.
    Steven Vaccaro

    Where Racing on a Budget is a Reality!

  5. #5
    Join Date
    Jul 2016
    Location
    IL
    Posts
    3,666

    Default

    Quote Originally Posted by Fluid View Post
    Welcome to the forum. Checking the date I see that this thread is seven years old, the link posted above doesn?t work and the OP hasn?t been back to the forum in a year. He won?t see you kind post.
    New user, and has a history of bumping very old threads.
    Vac-U-Tug Jr (13mph)

  6. #6
    Join Date
    Apr 2007
    Location
    ON
    Posts
    2,597

    Default

    This is the easiest leak tester, Fill with water, connect output hose from rudder to the hose nipple,
    Put finger over output from boat to create some back pressure. Push on syringe.
    Works every time.

    Larry
    Attached Images Attached Images
    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

  7. #7
    Join Date
    Apr 2007
    Location
    ca
    Posts
    6,942

    Default

    Larry, your system is simple and effective. I like it. As an alternative I use the "kitchen sink special"

    Make a little gadget,

    aose1.jpg


    hook it to the sink,

    aose2.jpg


    and plug in to the input from the rudder.

    aose4.jpg


    Serves the dual purpose of both finding boat leaks and (if flow gets too out of hand) - testing wetsuits and kitchen floor mops
    2008 NAMBA P-Mono & P-Offshore Nat'l 2-Lap Record Holder; '15 P-Cat, P-Ltd Cat 2-Lap
    2009/2010 NAMBA P-Sport Hydro Nat'l 2-Lap Record Holder, '13 SCSTA P-Ltd Cat High Points
    '11 NAMBA [P-Ltd] : Mono, Offshore, OPC, Sport Hydro; '06 LSO, '12,'13,'14 P Ltd Cat /Mono

  8. #8
    Join Date
    Apr 2007
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    ON
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    Default

    Tony - If my wife caught me with that hooked up to the kitchen sink, I would be walking funny for a long time.
    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

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