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Sewage operations aboard my Tomcat
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Jack in Alaska



Joined: 17 Aug 2004
Posts: 1190
City/Region: Anchorage/Ninilchik
State or Province: AK
C-Dory Year: 2005
C-Dory Model: 26 Pro Angler
Vessel Name: HIGH TIDE II
Photos: HIGH TIDE II
PostPosted: Wed Dec 27, 2006 3:59 am    Post subject: Reply with quote

I use a product called RV Trine in my RV holding tank. It is in a powder form in a foil package. It is and enzyme that will digest toilet paper and sewaqge and turn it into liquid for easy drain out. Use cheap 1 ply TP if you need to put TP in the toilet. Works for me.
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On the HIGH TIDE-II, wife Carolyn and I.....Another summer fishing on the HIGH TIDE II in the Cook Inlet at Cape Ninilchik, Alaska.

HIGH TIDE-II; 2005 26' ProAngler; 2003 200 Honda / 2009 9.9 Honda high thrust
No. CD026021I405; AK-5008-AK
MSSI No. 338143486(cancelled)

HIGH TIDE; 1983 Angler Classic 22'; 90 Honda/ 9.9 Tohatsu-sold 2009 to son Dan (flatfishfool)
Stolen & stripped in Aug. 18
Bare hull & trailer sold in Nov.
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John S



Joined: 06 Jul 2006
Posts: 277
City/Region: Sterling
State or Province: AK
C-Dory Year: 2000
C-Dory Model: 24 Tomcat
Vessel Name: TomCat
Photos: TomCat
PostPosted: Fri Jan 19, 2007 6:59 pm    Post subject: Re: Sewage operations Reply with quote

teflonmom wrote:

Changeing the hoses could also help. You can check the hose by wiping it with a warm wet wash cloth. If you get an odor from the rag after the wipe down change the hose.


Pat & Fred, good advice, I finally cleared enough of the snow off the tarp to get inside the boat. The wife and I wiped down the sewage hoses and carefully smelled it. Sure enough, no sewer smell. I'm glad to put the replacement project off for now.

John
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Doryman



Joined: 03 Oct 2006
Posts: 3807
City/Region: Anacortes
State or Province: WA
C-Dory Year: 2006
C-Dory Model: 255 Tomcat
Vessel Name: Lori Ann
Photos: Lori Ann
PostPosted: Sat Aug 04, 2007 2:22 pm    Post subject: Reply with quote

Pat Anderson wrote:
I am not the guy to answer your questions - we deleted the marine head on our CD25 and went with the Airhead Composting Marine Toilet - and all the snide remarks aside, this is still a decision we do not regret in the slightest .


Pat, I have been giving more consideration to this option recently. Do you have a sense of how much less potable water would be used for toilet operations with an AirHead compared to a standard marine head?

Thanks,
Warren

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M/V Lori Ann
TomCat 255, Hull #55, 150 Yamahas
Anacortes, WA
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Pat Anderson



Joined: 02 Nov 2003
Posts: 8551
City/Region: Birch Bay, WA
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Daydream
Photos: Daydream and Crabby Lou
PostPosted: Sun Aug 05, 2007 9:47 am    Post subject: Reply with quote

The Airhead use no potable water at all, an I don't how much water the other types use, but however much they use, the Airhead uses that much less!

Lori Ann wrote:

Pat, I have been giving more consideration to this option recently. Do you have a sense of how much less potable water would be used for toilet operations with an AirHead compared to a standard marine head?

Thanks,
Warren

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http://daydreamsloop.blogspot.com

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mrw90



Joined: 17 Jan 2006
Posts: 40
City/Region: Bellingham
State or Province: WA
PostPosted: Sun Aug 05, 2007 10:28 am    Post subject: Reply with quote

The "standard" marine head will use no potable water. They are plumbed to suck the necessary water from whatever water the boat is floating in. The downside to this, as mentioned earlier in this thread is that if that water is saltwater, there are a lot of little organisms that get sucked in as well. These organisms die and then tend to smell as bad or worse than the sewage after a couple of days.

The option available to boaters (not sure if available as an option from C-dory) is one of several brands of electric heads such as Vacu-Flush. These are more complicated systems, require some power to operate, and are plumbed into the fresh water supply. Different brands use differents amount of water to operate. The Vacu-Flush typically uses just a couple of pints per flush. They rely on the Vacuum created to do a lot of the work. Others I've seen are more like home systems and rely mostly on a larger volume of water and gravity to do the work.
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JimD



Joined: 23 Mar 2007
Posts: 57
City/Region: Chesterfield (James River)
State or Province: VA
PostPosted: Sun Aug 05, 2007 10:30 am    Post subject: Reply with quote

We used a larger variation of the Airhead at remote transmitter sites.

Her is some good info
http://www.marinesurveyor.com/articles/kant06a.html
Beer

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Doryman



Joined: 03 Oct 2006
Posts: 3807
City/Region: Anacortes
State or Province: WA
C-Dory Year: 2006
C-Dory Model: 255 Tomcat
Vessel Name: Lori Ann
Photos: Lori Ann
PostPosted: Sun Aug 05, 2007 12:00 pm    Post subject: Reply with quote

Am I correct in understanding that the AirHead uses none of the boat's water supply? Still not sure I understand how the solid waste material is cleaned out of the bowl (without water?) during the "flushing" operation of the AirHead.

Also, looks like a real throne in the pix. Are you sitting considerably higher on the AirHead?

Warren
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Alyssa Jean



Joined: 02 Nov 2003
Posts: 2375
City/Region: Guemes Is.(Anacortes)
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 16 Angler
Vessel Name: Alyssa Jean
Photos: Anna Leigh and Alyssa Jean
PostPosted: Sun Aug 05, 2007 12:09 pm    Post subject: Reply with quote

I'll try and explain it in not so graphic detail. Think of the Airhead toilet bowl with a trap door in the center bottom. You put what looks like a very large paper cone in the bottom of the bowl into which you #2. #1 drains forward of that area in a recessed drain into a container. #1 gets poured overboard. When you are through with #2 you push a lever and the trap door opens and the paper, TP and #2 drops into the contained composting compartment. I think Pat said they had to clean out the dry compost material once last year and this was after a month trip with 2-3 people on the boat included. The Airhead has a small millivolt fan running 24/7 to keep the composting process going.
The entire toilet is self contained. No waste tank or need of a macerator pump. There is a 3" vent pipe which runs up and sticks out of the roof a few inches with a rain cap on it.

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Alyssa Jean 16 Angler
Anna Leigh 22 Cruiser Sold 2005
Anna Leigh 25 Cruiser Sold 2014

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Doryman



Joined: 03 Oct 2006
Posts: 3807
City/Region: Anacortes
State or Province: WA
C-Dory Year: 2006
C-Dory Model: 255 Tomcat
Vessel Name: Lori Ann
Photos: Lori Ann
PostPosted: Sun Aug 05, 2007 12:20 pm    Post subject: Reply with quote

O-Kay! The bit about the paper cone was the missing piece of information for me. Thanks!

Warren
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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Sun Aug 05, 2007 4:04 pm    Post subject: Reply with quote

Mrw90,
The "standard" marine head supplied on the current CD 25 and the Tom cat 255 use potable water from the ships tanks, not sea water. This head is the Sea Land "Traveler"--which has a built in 9+ gallon holding tank--and uses a trap door similar to a portipotty at its base. This holding tank can be pumped overboard thru a macerator or it can be suction pumped.

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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
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Home port: Pensacola FL
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mikeporterinmd



Joined: 15 Sep 2006
Posts: 645

State or Province: MD
C-Dory Year: 2002
C-Dory Model: 22 Cruiser
Vessel Name: Shelly IV
Photos: Shelly-IV
PostPosted: Sun Aug 05, 2007 11:20 pm    Post subject: Reply with quote

Anna Leigh wrote:
I #1 gets poured overboard....


So, these can't be used in no-discharge areas (legally)? How much does this
container hold before it needs to be emptied?

Mike
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drjohn71a



Joined: 15 Jul 2004
Posts: 1820
City/Region: Wichita
State or Province: KS
C-Dory Year: 2007
C-Dory Model: 255 Tomcat
Vessel Name: Tom-a-Hawk
Photos: Tom-a-Hawk
PostPosted: Mon Aug 06, 2007 11:12 am    Post subject: Reply with quote

You can use the Sealand 9 gallon in restricted waters by placing a padlock on the "Y-valve", preventing overboard discharge.

The use of toilet paper is no big problem with these new heads since the tank is right there, just a few inches below the toilet bowl valve. If you are worried about toilet paper building up, just go to Wal-Mart and get one of those internal head "sprinkler" wands. You hook it up to a hose and you can wash out your holding tank by sticking the spray wand down into the tank opening.

John
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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Mon Aug 06, 2007 9:34 pm    Post subject: Reply with quote

In places like Lake Champlain (no discharge) you have to actually disconnect the discharge hoses. Maybe that is why the sewage discharge is above the hull to deck joint...
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Lucky Day



Joined: 10 Oct 2006
Posts: 215
City/Region: Churchton
State or Province: MD
C-Dory Year: 2004
C-Dory Model: 25 Cruiser
Vessel Name: Lucky Day
Photos: Lucky Day
PostPosted: Mon Oct 05, 2009 4:29 pm    Post subject: Reply with quote

This is an old thread -- but some things don't change!

The marina I am currently using does not have a completely equipped pump out unit. The part that fits to the waste tank deck fill on the coaming at the stern is not supplied. It's the part that couples to the vacuum hose. I have to supply that piece. I found this at WM -- and it appears to be the missing "link" (apologies to all boating anthropologists).

http://www.westmarine.com/webapp/wcs/stores/servlet/producte/10001/-1/10001/8514/377%20710/0/nozall/Primary%20Search/mode%20matchallpartial/0/0?N=377 710&Ne=0&Ntt=nozall&Ntk=Primary Search&Ntx=mode matchallpartial&Nao=0&Ns=0&keyword=nozall&isLTokenURL=true&storeNum=11&subdeptNum=70&classNum=71

Can anybody confirm that I have the right item. And if so, anyone know which size I'll need for a 2004 CD-25?

Thanks.
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Dreamer



Joined: 01 Jan 2006
Posts: 1763
City/Region: Really Sunny SaddleBrooke
State or Province: AZ
Photos: Dreamer
PostPosted: Mon Oct 05, 2009 4:56 pm    Post subject: Reply with quote

Lucky Day,

I believe it's the 1 7/8" model but a ruler will confirm it. Here's a cheaper source:
http://www.fisheriessupply.com/online/ln_menu/product.asp/mode/1/product_id/93545/Ntt/sealand/N/0/Dx/mode+matchallpartial/Nty/1/R/31734/D/sealand/catalog_name/FISCO/Ntx/mode+matchpartial+rel+Inactive/act/A01/Ntk/All

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Once a C-Brat, always a C-Brat

Dreamer- Sold 25 Feb. 2013
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