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slowtrot
Joined: 18 Jul 2012 Posts: 47 City/Region: dawsonville
State or Province: GA
C-Dory Year: 2006
C-Dory Model: 19 Angler
Vessel Name: Dabbler
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Posted: Tue Oct 09, 2012 6:46 pm Post subject: macerator to rv dump |
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I have a 25 CD and I wanted to be able to not only have the holding tank pumped out at a marina, but wanted to be able to dump at my house or at an rv dump station. And I did not want to take a poo shower trying to hold up a compression hose.
I could not find a hull thru fitting with 3/4 tapered pipe threads. The standard fitting on the boat looks to thin to me to simply run a pipe tap into it.
So, I bought a pvc 1/2" female tapered thread to 3/4 bushing and turned it on my wood lathe to a slightly smaller external diameter than the standard thru hull waste fitting on the boat. I filed off the anti spin ears in the standard thru fitting and roughed it up with sandpaper. I then used JB weld to glue the pvc 1/2 bushing flush nto the boat fitting.
Now I have 1/2 threads inside the standard discharge fitting and I screw in a short 1/2 nipple clamped to a clear hose and can pump away with the macerator pump. The hose is stored on the trailer inside of one of the square tubes.
No runs , no drips, no errors, and since I had a hose, the solution only costs me a dollar. |
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Dreamer
Joined: 01 Jan 2006 Posts: 1764 City/Region: Really Sunny SaddleBrooke
State or Province: AZ
Photos: Dreamer
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Posted: Tue Oct 09, 2012 9:45 pm Post subject: |
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Very Clever! Like to see photos.. _________________ Roger
Once a C-Brat, always a C-Brat
Dreamer- Sold 25 Feb. 2013 |
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JamesTXSD
Joined: 01 Mar 2005 Posts: 7446 City/Region: from island boy to desert dweller
State or Province: AZ
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: "Wild Blue" (sold 9/14)
Photos: Wild Blue
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Posted: Tue Oct 09, 2012 9:47 pm Post subject: |
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Dreamer wrote: | Very Clever! Like to see photos.. |
Indeed - do show! |
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thataway
Joined: 02 Nov 2003 Posts: 20829 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Wed Oct 10, 2012 12:09 pm Post subject: |
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Great idea... _________________ 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
KA6PKB
Home port: Pensacola FL |
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starcrafttom
Joined: 07 Nov 2003 Posts: 7887 City/Region: marysville
State or Province: WA
C-Dory Year: 1984
C-Dory Model: 27 Cruiser
Vessel Name: to be decided later
Photos: Susan E
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Posted: Wed Oct 10, 2012 4:47 pm Post subject: |
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photos and where do I place my order? I really need one of these. _________________ Thomas J Elliott
http://tomsfishinggear.blogspot.com/ |
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slowtrot
Joined: 18 Jul 2012 Posts: 47 City/Region: dawsonville
State or Province: GA
C-Dory Year: 2006
C-Dory Model: 19 Angler
Vessel Name: Dabbler
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Posted: Fri Oct 12, 2012 9:21 am Post subject: fitting details |
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I bought the pvc plastic bushing at Home Dbgepot. ( 438-101HC 3/4" X1/2" flush bushing SPIGx RFPT.) I think this translates as a slip fitting for the internal application with glue to the inside of a pvc 3/4" pipe with female 1/2" recessed tapered pipe threads on the inside.
The bushing is round for most of its length but it has 8 flats at one end so that it can be held with a wrench when a pipe is installed. The flats need to be sanded off and the diameter of the fitting reduced so that it can be inserted into the standard thru hull waste discharge fitting. I turned down mine on a wood lathe but you could sand or file it by hand.
Then file off the anti turn pieces in the thru hull fitting, rough the internal surface of it so that the glue has a bite and glue in the bushing. Make sure the right end faces outside!
Now you will have 1/2" female threads in the standard fitting. You can screw in a pipe nipple and clamp a hose on it.
hope this helps |
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