What’s this?

Discussion in 'Downeast Boat NEWBIES' started by Samp, May 14, 2019.

  1. Samp

    Samp Member

    Joined:
    Feb 16, 2015
    Posts:
    65
    Likes Received:
    39
    As I’m poking around the local boatyard, I saw this drain valve thingy on the keel of a boat. It was, and has been raining a lot around here lately. The boat is uncovered, and there was water dripping out of the fitting. I’ve never noticed one before. What is it, and what is it’s purpose? 93AD51AC-9BFD-41E9-A2A1-EDFDF910DA23.jpeg
    Thanks.
     
    Samp,
  2. restless

    restless Captain

    Joined:
    Jan 22, 2014
    Posts:
    1,699
    Likes Received:
    1,070
    Garboard drain plug. Lets water run out when the boat is out of the water.
     
    aegus15 and Samp like this.
  3. Genius

    Genius Captain

    Joined:
    Feb 11, 2016
    Posts:
    2,273
    Likes Received:
    1,039
    Location:
    Rhode Island
    a drain. Every DE on the hard should have one.
     
    Samp likes this.
  4. Samp

    Samp Member

    Joined:
    Feb 16, 2015
    Posts:
    65
    Likes Received:
    39
    6282998B-2C27-4FC8-9977-0D95AF5E8C48.jpeg
    Ok, thanks. And I presume it gets plugged prior to launch. With what? The fitting wasn’t threaded, and there isn’t access from inside. Or maybe there is?
     
    Samp,
  5. Genius

    Genius Captain

    Joined:
    Feb 11, 2016
    Posts:
    2,273
    Likes Received:
    1,039
    Location:
    Rhode Island
    It's a threaded pipe plug that goes into it before launch. They can be installed from the outside or inside. Mine is from the outside, it has a 1/2 square drive. The ones that get installed from the inside have a nice "T" handle built into them.
     

    Attached Files:

    Samp likes this.
  6. 05bill

    05bill Captain

    Joined:
    Oct 10, 2011
    Posts:
    603
    Likes Received:
    100
    Location:
    cape cod
    Boat Make:
    rp, willis beal
    i have a wet keel, no plug for lower hole however. 1st time out of water got very concerned about water draining out ,builder never informed me of wet keel.
     
  7. Genius

    Genius Captain

    Joined:
    Feb 11, 2016
    Posts:
    2,273
    Likes Received:
    1,039
    Location:
    Rhode Island
    The plug has nothing to do with a wet keel or not. This plug is to drain the bilge.
     
  8. Samp

    Samp Member

    Joined:
    Feb 16, 2015
    Posts:
    65
    Likes Received:
    39
    Ok got it, good to know. Now I know what my doctor meant when he said “you gotta unclog your garboard drain once in a while”.;)
     
    Samp,
    ErikT and El Mar like this.
  9. ArchHibb

    ArchHibb Captain

    Joined:
    Aug 31, 2013
    Posts:
    819
    Likes Received:
    602
    Occupation:
    Architect
    Location:
    Marblehead
    Boat Make:
    Five Islands 35 w/Cat 3116
    Wait a sec. Go back to the OP’s original photo: that unthreaded drain is clearly installed at the bottom of the keel and nowhere near the bilge. And the conclusion is it’s a bilge drain that gets plugged from the inside? Access inside the keel that low is non-existent. The garboard is the 1st bottom plank next to the keel, so a garboard drain connects to the bilge, not the keel. Seems more likely it’s an open drain to a wet keel such as Bill mentioned on his boat.
     
  10. Genius

    Genius Captain

    Joined:
    Feb 11, 2016
    Posts:
    2,273
    Likes Received:
    1,039
    Location:
    Rhode Island
    I don't think so. The bilge goes to the bottom of the keel, at least in the boats I've been on. It is also far away from the wet keel area. Maybe another look at the fitting would make it all clear?

    EDIT: it is a skeg boat though....I can't say I've been on too many of these.
     
    Old Mud and ArchHibb like this.
  11. ArchHibb

    ArchHibb Captain

    Joined:
    Aug 31, 2013
    Posts:
    819
    Likes Received:
    602
    Occupation:
    Architect
    Location:
    Marblehead
    Boat Make:
    Five Islands 35 w/Cat 3116
    Yes, I see what you’re thinking. You’re saying that drain plug is located just forward of the stuffing box and drains the deepest part of the keel/skeg interior. The builder of my boat fiberglassed off the deepest portions of the keel, so I forgot that often they are left open to form the bilge.
     
    Samp, Old Mud and Genius like this.
  12. Old Mud

    Old Mud Captain

    Joined:
    Sep 9, 2012
    Posts:
    3,936
    Likes Received:
    3,110
    Occupation:
    Retired Fisherman
    Location:
    mid coast Maine
    Boat Make:
    Ho Made
    Yes it is in fact a keel/bilge drain AKA Garboard drain Or as long ago the "Whisky plank drain". see the oil stains? :) All boats should have them.
     
    Samp and steveinak like this.
  13. Reelucky

    Reelucky Member

    Joined:
    Apr 19, 2019
    Posts:
    14
    Likes Received:
    26
    If you forget the plug you'll have a wet keel for a little while.
     
    Old Mud likes this.
  14. Old Mud

    Old Mud Captain

    Joined:
    Sep 9, 2012
    Posts:
    3,936
    Likes Received:
    3,110
    Occupation:
    Retired Fisherman
    Location:
    mid coast Maine
    Boat Make:
    Ho Made

    .Actually, that could be for quite a while. :)
     
    Samp likes this.
  15. Samp

    Samp Member

    Joined:
    Feb 16, 2015
    Posts:
    65
    Likes Received:
    39
    I hope to be able to get aboard that boat soon to investigate. I’ll surely get to the “bottom” of this. (Get it? I know, it’s not funny if you have to point out the joke...)
     
    Samp,

Share This Page