I have a 1972 dinette model hull no. 431.
HOLDING TANK AND EXTRA WATER
HOLDING TANK
I put a 20 gallon holding tank under my V-Berth a couple of years ago. I
got one of the shaped tanks that are designed for the front end of the hull.
In order to make it work I had to give up the small locker that is in the
V-Berth under the mattress. My cut line was about 2" below the main V-Berth
floor (what do you call the floor of the V-Berth that the mattress/cushions
sit on?) so that (a) I can put the plywood cover back on and (b) the
strength offered by the cover opening remained. I also had to cut a small
piece out of the starboard V-Berth cover area in order to get the tank into
the space, but I got the tank in. Without sacrificing the storage locker,
the biggest rectangular tank I could get in was 8 gallons and for the grand
it cost me, was not enough capacity for the money spent. This allowed me to
move the tank forward so that the rear of the tank is about 12 inched ahead
of the V-Berth cut-out and gives me ample room for my depth sounder
transducer and storage of some "stuff" that I see once a year. I finished
off with a new thru-hull and electric macerator in the hull, starboard,
under V-Berth. I can open & close the thru-hull two ways: go in from above
by lifting V-Berth cushions and going in thru the starboard locker or -- my
favourite -- I put in an 6.5" deck plate (like West Marine's 103606) in the
bulkhead between the head and the V-Berth (6" from the sole). It's just a
matter of getting down on my hands and knees, removing the cover and
reaching in to open the thru hull, turn on the power (I have an off-on
switch in there, as well as running the power through a breaker) and waiting
until it is clean. I tend to carry a lot of "stuff" in my V-Berth and this
means I don't have to clear it in order to pump out.
A couple of other things I did:
1. Deck clean out, ran hose up aft end of anchor locker and down under
tank.
2. Supported the tank with foam insulation. I made a small plywood cradle
that fit the bottom of the tank (albeit only @ 8" from the centre); put in a
few 4" holes with my hole saw, set it in place over the clean-out hose and
then shot foam-in-a-can-insulation under it through the holes. When the
tank was installed, hooked up and all working well, I also used foam to full
in the area between the tank and hull, front and sides. DON'T USE EXPANDING
FOAM!
This system is working very well for me. Combined with a valve for
overboard or tank use, I'm happy and apparently legal!
WATER TANK.
Prior to my ownership there was a new 7 gallon tank installed under the
stove/cooler/ice-box area. Not enough capacity. I have an outboard and all
that space under the cockpit sole. I bought an 18 gallon rectangular tank
and "hung" it under the sole. I used the 4' metal shelving posts you get in
lumber yards -- each side about 2" with holes every 3 or 4 inches -- as a
support for a plywood base. I supported this with the matching backing
plates they make with the shelving posts coming in from the quarter berths.
A new filler pipe to the cockpit area and gravity feed from the new 18
gallon tank to the aforementioned 7 gallon tank and I now have 25 gallon
capacity when I need it. I can check level by removing stairs, opening door
and seeing the water level in the 18 gallon tank.
If anybody needs more info, [EMAIL PROTECTED]
S/V STAARDANCER
Dave Trace
RVicYC
Victoria BC Can
250-472-2069
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Saturday, February 11, 2006 7:33 PM
Subject: Re: catalina27-talk: Access to Thru-hulls
Hi Jim,
Well, Catalina moved the holding tank and fresh water tank from place to
place over the years, and one of the places where I have seen a factory
installed holding tank is in the location that you describe. I believe it
was Rick Crow's "Crows Nest" boat. I believe that his transducers and
speed log were located under the starboard settee.
If you have the traditional interior, you could put your holding tank into
the settee area as I have. I put in a 9 gallon holding tank, which is
enough to hold 2 people on the boat for 3 or 4 days, or me just doing day
sails for most of a summer. Allot depends on how much you pump the head.
For sailing the bay, you pretty much have to figure that at most (well for
me anyway) you can be at a marina every other day (or even every day), so
I figured that during longer trips, I'd be tanking up at least this often,
and would have the opportunity to pump the holding tank.
The depth sounder wouldn't bother me to much being under the holding tank,
but I pull my speedo paddle wheel regularly to clean it, store it, or
install it during the sailing season, so I need access to that.
Hope that helps,
Larry Taborek
C27 Dixie Chicken
Hey List,
I have always assumed that thru-hull fittings should not have
anything blocking easy access to them, just in case. After a number
of years I am starting to wonder.
Okay, because they can rupture, hose fittings surely need to have
access without interferrence. But, what about transducers for depth
and speed logs? In the ten years I owned my C27, I've never any sign
of water intrusion around them, and there's nothing really to fail.
Or, am I wrong?
So, how risky do you think it would be to relocate the holding tank
to the starboard v-berth locker (just forward of the head), which
would place it over my depth meter transducer? My reasons for
relocation have to do with a larger tank and shorter hose length
(requiring less flushing volume).
Thoughts? Thanks,
Jim Calleran, BayBird, C27 #2784
Mathews Yacht Club, VA
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