Skip to main content

ECA Logo Version 11 

Slideshow
Header Slideshow
Add Me To Your Mailing List

Ensign Sailing Forum

Keel drain plug
Author Last Post
Just a small correction - the article on installing an Ensign keel drain plug was authored by Jonathan Gorbold and Pete Kogut both members of Ensign Fleet 23 at Canandaigua NY. in reponsre to your question Ed. 

Bill is a member of Fleet 23 also has a drainage isdue dimilar to yours and the conversation between Bill and Jonathan was inadvertently posted to the forum. 

Replies and questions should be directed to Jonathan Gorbold

--


Anna Gorbold
585 261 3300

Jonathan, Thank you very much. It is exactly what I hoped for. You are my hero. And extra thanks for spending all the time and focus to complete the instruction. And with locating dimensions!!


I have been a very successful engineer for my 50 year career. My policy is not to invent. That is for others. My job was to understand, follow and apply specifications, procedures and designs correctly and efficiently. I only innovated if there was a reason or I could not find an existing proven method.


I don't like the idea of drilling holes every year then patching them up. It is like a wood pecker working on the hull. After a while you may have a weak hull.



Bill,

Appreciate your “mistake”.

 

For all of us living in the North, it’s a great guide.  My boat fortunately came with two plugs (one 8” +/- above the bottom and one under the keel itself) when purchased as it had previously been in Northern Vermont. At the end of the season when I haul out and remove the plugs, gallons of water pour out of each. Not sure how so much water seeps in since it is well covered all season, but I have to believe that with the amount of water retained, our freezing temperatures would have done a lot of damage to it. Many in the club don’t report any problems and don’t use plugs, but until you install them, you just don’t know. 

Good post for all that may have a concern and I suggest it be added to the library.

 

Apologies to the ECA. My previous message was not intended for the broader audience.

Regards,
Bill

Hi Jonathan,

Thank you for sharing this. It's quite an impressive analysis. Thank you also for the advice regarding spinnaker sheets, twings, travelers, etc. I plan to implement almost all of your recommendations, except the main sheet and traveller suggestions, which I will likely implement in a year or two.

This brings me to your study of Ensign hulls and freezing water as I believe it applies to my boat at the current time. Doozer's hull seems sound and the cavity containing the lead ballast and the open space behind it show no signs of expansion or penetration. Thus, I think my best course of action for the current winter season is to leave it as it is. I'll give it a good drain as I get it covered and I hopefully expect we'll make it soundly into next season. It would probably be wise for me to flow a little more epoxy over the bilge to improve the chance of it remaining sealed, but I confess I am not likely to do this during the current off-season.

I hope to achieve mediocrity in the fleet over the next couple of years, and I will aspire to someday compete at your level.

Regards,
Billw

Hello Ed, I apologize for taking so long to get back to you with an answer to your drain hole question.

When I started to prepare an answer for you, I found there is more to it and the position of a single drain hole that I have on Questar may not be easy to fit on every Ensign.

Attached you will find a write up with recommendations on the position for two drain holes, with an alternative single drain hole that I have used for many years on Questar and is now on the new fleet boat.

Let me know if you have any questions or call me at 585-261-9633.

Just drill a couple of 1/4 holes as low as possible and fill them with Marinetex in the spring. Take a screwdriver handle and knock around until you hear a hollow point where there is a void. 

Zdeke

There is a club here in Minneapolis that drills 3, 1/4" holes along the keel at the end of every season and will then fill with epoxy every spring. They also have a drainage plug low in the bilge that they leave open in the winter (simple hardware store purchase).


I have yet to do something similar, but maybe I will just in case. idk, I also just cross my fingers every year.


attached is a pick.

I have always drilled a couple of 1/4 inch holes on the bottom of the keel in the fall before storage. Usually got about a gallon or two of water out. I simply epoxied the hole back up in the spring. A few years ago I removed the factory installed lift ring from the bilge and glassed over the area. I now get no water build up in the keel cavity. I am just going to check every few years to make sure my leak is solved permanently

Hi Ed, funny you should ask!

I have just put a drain hole in the boat we are working on as part of our fleet building program at Canandaigua.

I will collect some photos and prepare some notes on what we found and did.

I will post it here.


Jonathan Gorbold

Questar 1226

Hi Jonathan, My name is Ed I own Ensign 538 at Fleet 72 in Saratoga Lake Sailing Club in Saratoga Springs, NY. Ensign 538 does not have a drain plug, at all. I want to install one in to avoid the possibility of water freezing in the void in the keel.


The previous owner said he had no problems. I have covered 538 in the winter with multiple covers to make sure no water gets in the boar and so far no issues. But, I know two other ensigns that had cracked hulls as a result of water in the keel void freezing. I feel it is time to install a drain plug in Ensign 538 and not torely solely on the tarp covers.


I read your response and I plan to follow your advise. I will admit I'm frightened to drill a hole in my boat. I don't know exactly where to do it or what size. I'm an engineer and I guess I need more detail. How do I know if I have it right?


Could you please provide me with more detail about hole size and where it is to be located. Also any other detail on drilling and installing the brass plug. Did you have any problems doing it?


Thank You



Steve, you are over thinking it!
Any water in the Bilge in the winter where it can freeze is not a good idea. 
You cannot rely on a new tarp to fix the problem.

The only solution is to drill a big hole in the side of the keel to let the water out. 
You can epoxy in a nice brass threaded fitting, with a threaded brass bung. These are available from any plumbing store. 

Position the hole as low as you can on the side of the keel, maybe at the bottom of the chamber you cleaned out. 

 Of course you could always store the boat inside a shed over the winter!

Jonathan Gorbold
Questar 1226

Sent from my iPhone

I've got a question about water drainage through the keel. It's a bit complicated, but I'll try to explain. Should there be communication between the bilge and the drain plug at the bottom of the keel? That is, should rainwater or snowmelt entering the bilge during the winter drain out the open keel drainplug? A couple years ago, I cut open the bilge floor to remove some waterlogged foam and then rebuilt that floor but installed a hatch that allows me to stick a handpump down to the lower part of the keel and pump out any water that gets in there. That hatch remains open in the winter. So there's defeinitely a pathway from the slanted bilge floor to somewhere near the bottom of the keel, which is a flat fiberglass surface. Should that area drain out the drainplug?


Here's more background:


At the beginning of the 2023 season, when we were ready to launch our boat, I could not find the keel drain plug. I also couldn't find a replacement that fit, so I filled the hole with epoxy with the intention to thread a hole through the epoxy in the fall and begin using a screw as a drain plug. In the past, when I removed the drain plug in the fall, there would be a high pressure, horizontal stream of water coming out of the keel for 30 seconds or so. In the fall of 2023, when I drilled a hole in the epoxy, there was only a trickle of water coming out. I was concerned that I'd pushed enough epoxy into the drain hole to seal off whatever areas used to drain water. So I drilled a couple other test holes near the drain hole, but no significant water came out of those. So this indicates to me that either 1) water used to leak in through the drain plug (even though I used to cover the threads with sealant) and the epoxy-sealed hole did not let in any water or 2) water would enter the keel from the bilge and the new holes I drilled did not penetrate the cavities where water used to collect. This spring, when I took the cover off our boat, I found that the bilge was filled with water up to the floorboards. I'd never had a problem with water in the spring before. So this indicates to me that either 1) water used to enter the bilge and then flow out the drainhole during the winter or 2) somehow enough water entered through pinholes in my aging winter tarp or was blown in through the bow or stern openings to fill the bilge up to the floorboards.


So I'm trying to decide if I should drill more holes until I can get water to drain from the bilge out of the keel or if I should just get a better tarp.


Steve Heinzelman

Elmo #612

Canandaigua Yacht Club

Return to Forum
Sponsor Number URL address
Sponsor 1 https://www.quantumsails.com/en/default
Sponsor 2 http://www.triadtrailers.com/
Sponsor 3 http://www.ussailing.org
Sponsor 4 http://www.northsails.com
Sponsor 5 http://www.spectrumphotofg.com
Sponsor 6 http://www.defender.com
Sponsor 7 http://www.ensignspars.com
Sponsor 9 http://www.patterson-marine.com
Sponsor 10 https://stores.coralreefsailing.com/ensign_class/shop/home
Sponsor 11 https://zbloksun.com/

ENSIGN CLASS Sponsors