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Author Topic:   Lesson on Sump Drain Plugs
floater88 posted 07-05-2015 04:54 PM ET (US)   Profile for floater88   Send Email to floater88  
Today I learned something new about my 1988 Boston Whaler Revenge W-T. Yesterday I was drying out the cabin and took out the plug in the sump. Well, I launched the boat this morning, and, after parking the truck and climbing into the boat, I found out about this: the forward cabin had about a foot of water in it--but no more. Now I know how much water will flood in and stop. Nice to know I can't sink the boat doing that. Brought it up to plane and all the water in the cabin sump was sucked out.
jimh posted 07-05-2015 05:42 PM ET (US)     Profile for jimh  Send Email to jimh     
I haven't done that (yet) on my Revenge boat, but I have been aboard another Revenge 22 that was launched with the cabin sump drain open. As you described, about a foot of water soon came into the sump via the open drain. And, as you described, by getting on plane the water in the cabin soon drained out via the drain.

The hard part with only one aboard is getting the drain stopper back in the drain after stopping the boat. You need to be quick or water comes right back in. In the instance that I describe, two were aboard, so the drain could be closed while the boat was on plane and the sump was dry.

I have also intentionally let the aft cockpit live well drain open and allowed the live well to fill with water. Then I got the boat on plane and watched to see how effectively the water would drain from the live well. It works there, too.

floater88 posted 07-05-2015 07:15 PM ET (US)     Profile for floater88  Send Email to floater88     
I headed right out to 300 feet of water with no one around and was able to crouch down while holding onto the wheel and get that plug back in. I always thought the boat would swamp with that plug out. Nice to know I got some wiggle room if I ever loose that plug while out and about.
home Aside posted 07-06-2015 09:50 AM ET (US)     Profile for home Aside  Send Email to home Aside     
I've launched twice with the plug out in the cuddy sump. Once with Jimh (yes I am the anonymous person Jim spoke of) and the second time when I launched at Copper Harbor for our 7 day trip to Isle Royal NP in Lake Superior.

On the second one luckily we were staying at the Copper Harbor marina overnight, though I was traveling alone onboard. Buckda who was also on the trip made a run with me so I could get the sump drained & put the plug back in. Then I took my onboard tool box, which I had stored in the sump area and was now filled with water, dumped all the tools out of the dock, sprayed them with WD-40, wiped them down & put my tool kit back together.

I store my boat in my yard in the summer so I usually pull the plugs if I'm not using the boat for a couple of weeks, lately I've been pretty good about remembering to check all the plugs before I leave the yard for the ramp.

floater88 posted 07-06-2015 10:43 AM ET (US)     Profile for floater88  Send Email to floater88     
I'm just glad that the water only rises so far and then stops. Good way to wash out the cuddy floor and make it all shiny again:)
littleblue posted 07-06-2015 01:28 PM ET (US)     Profile for littleblue  Send Email to littleblue     
On my Outrage 22, this is the "fish box". I also launch once and forgot to put this plug in.

In my Marina, there is a long no wake zone. I was surprised to find that you don't actually need to be on plane for the box to drain.

RevengeFamily posted 07-08-2015 05:23 AM ET (US)     Profile for RevengeFamily  Send Email to RevengeFamily     
For years, my oldest son has been in charge of drain plug installation of my 1990 Revenge 22 W-T at the ramp. Not to long after I bought the boat he forgot (and I failed to double check) to make sure all the hull plugs were installed. After launching, we realized the cabin sump had no plug. We caught it before she filled to the "neutral" point.

I was never completely sure where that "neutral" flood point was. I'm glad to know it's a lot lower than I thought it would be.

When I purchased the Revenge, it had a bilge pump in the "live well" box in the stern of the boat. Even when she was on the trailer, the box would collect rain water. I was never very excited with the inability to drain the box with out a pump or a bucket. So I removed the pump and installed a through hull tube which gets a plug before going down the ramp. I no longer need a bilge pump there.

This boat is normally kept on a trailer, however, I do use her for a week or two while on vacation. While on vacation she is left in a slip. If I know we are to get heavy rains, I can pull the plug in the "live well". It will flood to within two inches of the top and become neutral. Any additional rain water will slowly drift out the through hull tube. To empty it, I just get her on plane and then install the plug.


jimh posted 07-08-2015 09:36 AM ET (US)     Profile for jimh  Send Email to jimh     
Norm--My REVENGE 22 W-T is also a 1990 model. I am not the original owner. The aft cockpit live well on my boat has a drain to the sea. It looks original. There was no sump pump. Maybe if the boat was ordered with a sump pump the drain was omitted in production.

I have since installed a small RULE centrifugal pump in the aft cockpit live well so I can evacuate water from it. We were cruising on the boat several years ago, and experienced a day of very heavy rainfall. The aft cockpit live well filled with rain water draining off the cockpit deck. At the time I was using it for dry storage--all sorts of gear was floating around in there when it filled with rain water.

After I installed the pump and a float switch, I got two water-tight boxes and put my various tools, parts, and gear into them. Now I only put in gear for storage in that live well that I figure can tolerate some water, like extra fenders or lines.

RevengeFamily posted 07-11-2015 06:51 AM ET (US)     Profile for RevengeFamily  Send Email to RevengeFamily     

My REVENGE 22 W-T showed old screw hole evidence typical of a bait well circulatory spray bar mounted up high in the well when I purchased it used in 2008...

I'm the third owner of this great Boston Whaler REVENGE 22 W-T, so one of the two previous owners had removed the spray bar and re-routed the discharge hose into the splash well...

Your experience with flooding rains is similar to mine... I learned the hard way, that EVERYTHING that shouldn't have gotten soaked did during my first trip on the Revenge... I too have water proof cases, but I do not use the aft cockpit live well for their storage... It's storage space is reserved for anything that can get wet... Like you, I keep things that can get wet, dock lines, fenders, live bait buckets and a hose for washing her down when we return to the dock...

I have had thoughts of installing two drain hoses from the depressed lip under the aft cockpit live well deck hatch... One hose would drain into the starboard rigging tunnel and the other would drain into the port side tunnel... the bilge pumps in the tunnels would then take charge of removing the rain water... The hose nipples would need to be glassed into the bottom of the lip, but I have yet to find a nipple I believe would be tough enough and would actually become "one" with the fiber glass or epoxy that I would use to install them... And I'm not really sure how effective these drain lines would be...


porthole2 posted 07-14-2015 01:44 AM ET (US)     Profile for porthole2  Send Email to porthole2     
How many sump drain plugs are there?
My 1997 17 Outrage has a different thread hen my 1999 21 Outrage
Nantucket Sleighride posted 07-17-2015 02:56 PM ET (US)     Profile for Nantucket Sleighride  Send Email to Nantucket Sleighride     
Two fishing buddies and I were fishing in choppy waters between Santa Cruz Island and Santa Rosa Island.
Water was continuously splashing over the transom and gunnels of my Guardian 22'.
This kept my bilge pump very busy.

After a few hours The overworked pump died.
I inspected the pump and determined that it could not be repaired.
Then I reached down in the bilge, pulled out the stern drain plug, and calmly went back to fishing.
My fishing partners were stunned. I explained to them that this was a Boston Whaler with 3,000 pound swamped capacity. There was no chance of it sinking.

I suggested that they keep their fishing tackle amidship or forward to insure that it would stay dry.
For the remainder of the day we had 2-3 inches of water sloshing around the very stern of the boat and the decks remained dry otherwise. It took them 1/2 hour to relax and enjoy the benefits of a Boston Whaler.


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