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  1. #1
    Join Date
    Sep 2009
    Location
    Arkansas
    Posts
    55

    Default How to drain Standing Water in Center and under Transmission, 2005 21V

    I have a 2005 21V. I am not able to drain all of the water out of the bottom of the boat. Even when I jack the front of the boat up high water still stays under the Transmission and is never pumped out of the bilge or drain out of the rear drain plug (above the wakeplate). When the boat is sitting level the water stands in the center of the boat. I cannot find any other drains to get this water out. Anyone know how to get this water out?

  2. #2
    Join Date
    Aug 2008
    Location
    Concord, CA
    Posts
    193

    Default

    You've touched on one of my few pet peeves about my boat...
    Here's what I do - I actually lower the front of the boat so the water pools at the center right below the front ballast locker door and pump as much as I can out with the forward bilge (seems to work better than the back bilge for some reason) there is always a little bit left. I used to use a squeeze bulb (like a turkey baster) to get the remaining water out - works fine but takes a while. Then I purchased a mini wet/dry shop vac and now I use that instead. Works super fast (Also works great to drain any standing water from the ice chest) after I vac all I can, I shove a terry towel down there and work it around to get as dry as possible. Try to get it all out. I've left a small amount in there before...turns slimy and stinky. No fun...

    I think the bilge drain is poorly placed...when there's time and others aren't waiting on me, I pull the plug while still sitting on the ramp and it still doesn't get all the water out. If you look at the location of the drain hole from the inside, there's like and inch between the bottom of the hull and the drain hole...

  3. #3
    Join Date
    Feb 2009
    Location
    Minneapolis, MN
    Posts
    3,112

    Default

    I unplug my rear drain plug when I am pulling out at the boat ramp and let it stand at that extreme angle for a min. This is very common in many boats imho.
    --WakeMikeys 1987 Supra SunSport--
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  4. #4
    Join Date
    Sep 2009
    Location
    Arkansas
    Posts
    55

    Default

    Thanks for the advise! This is definetly annoying! You sound just like my mom with your ideas! I guess mom is always right...

  5. #5
    Join Date
    Apr 2009
    Location
    The Woodlands, Texas
    Posts
    61

    Default

    ditto on the plug removal at the ramp if no one is waiting. then back at storage i use a shop vac i purchased just for getting rid of this water. I hate water in bilge.

  6. #6
    Join Date
    Feb 2009
    Location
    North Carolina
    Posts
    82

    Default

    I added another bilge pump in front of the V-drive and it pumps it out now. Epoxy it to the floor though because that area is very thin. Screws may go through the bottom.
    '06 21V Launch N2Orbit "HydroFoil Edition"
    N2Orbit Hardcore Hydrofoils Team Rider
    http://n2orbit.com/
    http://velocitywatersports.net/
    http://foiltechhydrofoils.com/default.aspx

  7. #7
    Join Date
    Apr 2009
    Location
    The Woodlands, Texas
    Posts
    61

    Default

    did you have to add another thru hull or just tape into the lines out??? I was thinking of doing that same thing this wkend

  8. #8
    Join Date
    Sep 2007
    Posts
    1,187

    Default

    Same thing with me parking on the boatramp. I've had to actually drain some of my fat sacs through the bilge (actually, a lot lately) through the bilge due to the crappy pumps that hardly ever work. Or when it's not ballast, it's the water from the cooler that's ran into the bilge.
    07 Launch 24SSV Gravity Games
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  9. #9
    Join Date
    Feb 2009
    Location
    North Carolina
    Posts
    82

    Default

    Quote Originally Posted by JohnnyH View Post
    did you have to add another thru hull or just tape into the lines out??? I was thinking of doing that same thing this wkend
    I used a pump with a foot valve and T'd into the existing line.
    It works great and hardly any water in the bilge now. The other bilge pump never comes on because the new one takes care of everything. It is just a spare now.
    '06 21V Launch N2Orbit "HydroFoil Edition"
    N2Orbit Hardcore Hydrofoils Team Rider
    http://n2orbit.com/
    http://velocitywatersports.net/
    http://foiltechhydrofoils.com/default.aspx

  10. #10
    Join Date
    Apr 2009
    Location
    The Woodlands, Texas
    Posts
    61

    Default

    what is a foot valve? call me stupid i guess

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