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Author Topic:   Revenge Bilge Modification
Bthom posted 04-07-2004 11:43 AM ET (US)   Profile for Bthom   Send Email to Bthom  
Hi all,
My '89 revenge WT with whaler drive has two small bilges
connected by an equalizing line,one in each stern corner.
They are separated by a large infloor fishwell that is much deeper.I installed a pump and switch in the fishwell several years ago,which pumps into the starboard bilge, equipped with a factory installed pump and switch, which discharges overboard.
The equalizing line runs from the bottom of one bilge, through the fishwell over to the bottom of the other bilge,and always has water above it because the pump doesn't completely empty the compartment.This line passes through the inside wall of each bilge thereby providing access for water to enter the hull.I sealed these points with caulking when I got the boat but I think I have a more permanent solution. I am going to remove the equalizing line completely,enlarge and fair the holes to drain the "bilges" dry and make the former fishwell the permanent bilge.I can then seal the inside of the holes with glass and prevent any further water migration.
This will have the added benefit of keeping the cable tunnels dry as well.My tunnels have vents under the chairs and when the fishing has been good those vents put out some
ripe odors under the right conditions.The only access is from the stern bilge hatches so they are tough to keep clean.
All comments and suggestions are most welcome before I start cutting. Thanks for your time.
Regards, Brian
jimp posted 04-07-2004 05:33 PM ET (US)     Profile for jimp  Send Email to jimp     
Brian -

I sent you some pics of my 1990 Revenge 22 WT.

Curious about the "equalizing line" you have. What & where is it? I don't have one. I have the p/s sumps and nothing in the bottom of my bait well.


Bthom posted 04-08-2004 01:39 AM ET (US)     Profile for Bthom  Send Email to Bthom     
I remember your pictures,how are things?Are you getting ready for halibut season?
The equalizing line is a piece of 1/2" plastic tubing that connects the port sump comparment to the starboard sump compartment, which is where the factory installed pump and switch is.It is strapped to the stern wall of the center fishwell and sticks through each sidewall into the adjoining bilge compartment,but because it runs through the hull and is always under water, I'm concerned about water exposure.Its also been subjected to many freeze/thaw cycles over the last couple of winters as well.
I have removed the line so the remaining holes drain each side bilge into the center fishwell. I intend to enlarge the holes enough to be able to seal the exposed interior surface, and use the center "fishwell" as my new bilge fulltime.I will only need one pump and switch instead of the two now installed,and will utilize the existing disharge connection.
I hope this helps explain the setup. Do you have a pump in each sump?
I added the pump in the center fishwell, the boat only had one in the starboard sump when I got it.
I can take a picture and send it if it will help.
Regards , Brian
jimp posted 04-08-2004 11:01 AM ET (US)     Profile for jimp  Send Email to jimp     
Brian -

OK, I'm with you now.

The 1990 Revenge 22 WT does NOT have the same line running between bilges & baitwell. Only in the 25 Revenge? I have a pump in the starboard sump and had a small aerator/bilge pump in the bait well (sent it to Andy Gere) and replaced it with a larger capacity bilge pump. Nothing in the port sump, but if it gets deep enough, it overflows to the starboard & baitwell pumps.

As to your bilges, I don't see why having a common bilge could be a problem.

The boat is now in the driveway (like Cetacea pg 44 - the driveway filler) and getting ready for King Salmon in early May. Temps are still in the 30s-40s. Got up to 49 the other day after a few days of sun.


LHG posted 04-08-2004 04:06 PM ET (US)     Profile for LHG    
Did you buy that 25 Revenge new? My 1989 full transom 25, bought new, has no such "equalizing" line. It sounds like some jerry rigged previous owner's bad idea.

The factory bilge pump installation on these 1989 models was the Rule 1500/float switch in the starboard sump (I think this was an extra cost option) and a 500 GPH mayfair pump and float switch in the forward center well, which a Revenge model may not have. The Port side floor sump did not come with a pump, although I have installed a little 500 GPH rule with computer chip float switch built in, dumping into the transom splash well, a simple soution with no thrus hull or other drilling required. There was no equalizing drain tubing as you describe. I would close that situation up.

The center bait well came factory equipped (not as an option) with a Mayfair 500 GPH bilge pump, manually operated at the dash, with no float switch. This system has two Mayfair valves on it, on each side of a tee conncted to a yellow aerator head on starboard side, to either circulate/aerate the water in the well (for use as a live well) or to exit it out a port side through hull. Overflow water from either sump will drain into this big well, just as it also picks up some water from rain/washdown.

linust posted 04-08-2004 06:15 PM ET (US)     Profile for linust  Send Email to linust     
Bthom--is your Revenge a 22 or 25?

My '89 (July '88 manufacture) Revenge 22' WT WD DOES have this equalizing tube, if you look in the back of the center fishwell. But i do not have a PORT side stern bilge---just a STARBOARD side stern bilge and a sealed deck on the port stern.

Does anyone know if BW made these boats (Revenges) in more than one plant? Although the CW reference/history page mentions Rockland, MA for original BW production and into the late '80s, I have email from Chuck Bennett about a different, '87 Revenge WT that was produced in Norwell, MA. If so, is it possible the plants made these boats differently?

Recently, I had the opportunity to take a quick look at Peetmin's Revenge 22' WT (non-WD). His is an '87. IIRC, his cuddy cabin has 4 thru-hull drains (all three lockers plus cabin sole). Mine has 1 (cabin sole, nothing in lockers--this appears factory, but could be a very clean mod). Whaler antics?

Bthom posted 04-09-2004 10:26 AM ET (US)     Profile for Bthom  Send Email to Bthom     
I too have a "driveway filler" for the time being, although I just took mine out of the water a couple of days ago.I wanted to do a few things before prime time.

I bought the boat used from the Whaler Dealer in December of 1990.It's an '89 and in '90 they started producing the wide-body walk-around so mine was traded in with 40 hours on it.I bought it sight unseen, with only photographs and brochures to go by.

The equalizing line was a factory job and the only sump pump was the 1500 Rule in the starboard compartment.The large center hatch in the floor was listed as a fishwell,a place to put your catch,hence no pump.There is no pump up front in the cabin sole.My baitwell is built into the transom, and has a pump and timer for raw water exchange,as well as a high speed pickup.There is also two teak access hatches on top of the transom for storage,and thats where the batteries and fuel filter live.I thought that was the standard set-up with a whaler drive.

My apologies, it's a 25' Revenge,and has four thru-hull drains, one in each of the two sumps, one in the fishwell and one in the cabin sole.
The two sumps each have a lid of white plastic like material and the fishwell has one of teak.I thought they were all made in Rockland.

Thanks everyone for your interest.
I'm going to try and start on this today.
Regards, Brian

jimp posted 04-09-2004 11:05 AM ET (US)     Profile for jimp  Send Email to jimp     
Brian -

FYI. I pulled my aft deck to clean up & re-caulk and took a few pics that I sent to your email moments ago.


Bthom posted 04-09-2004 12:02 PM ET (US)     Profile for Bthom  Send Email to Bthom     
Thanks, my bilges are a mess but I'll take a few pictures today and send them to you.
Regards, Brian

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