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06-27-2008, 06:45 AM
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#1
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1 Rivet Member
1975 Argosy 24
Williamsburg
, Virginia
Join Date: May 2008
Posts: 10
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Adding gray water tank to a 1971 25'
Is it possible to add a gray water tank to a 1971 25' and where would it go? What year did A/S start providing grey water tanks?
Thanks
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06-27-2008, 06:52 AM
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#2
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Site Team
2002 25' Safari
Dewey
, Arizona
Join Date: Mar 2005
Posts: 15,606
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Yes you can add one with some work. 1974 was the first year for gray tanks in Airstreams. Uwe had an early 70's Trade Wind that he added a gray tank to.
__________________
Richard
Wally Byam Airstream Club 7513
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06-27-2008, 08:26 AM
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#3
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418
2007 25' Safari FB SE
1958 22' Flying Cloud
1974 29' Ambassador
Yucca Valley
, California
Join Date: Jun 2002
Location: 1963 26' Overlander
Posts: 4,804
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I did, indeed.
It goes in the frame space immediately behind the rear axle.
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06-27-2008, 09:04 AM
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#4
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Rivet Master
1972 25' Tradewind
North Vancouver
, British Columbia
Join Date: Feb 2006
Posts: 3,421
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Uwe, do you have any photos showing the process?
__________________
Cameron & the Labradors, Kai & Samm
North Vancouver, BC
Live! Life's a banquet and most poor suckers are starving to death! - Mame Dennis
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06-27-2008, 10:25 AM
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#5
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418
2007 25' Safari FB SE
1958 22' Flying Cloud
1974 29' Ambassador
Yucca Valley
, California
Join Date: Jun 2002
Location: 1963 26' Overlander
Posts: 4,804
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Quote:
Originally Posted by cameront120
Uwe, do you have any photos showing the process?
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Sorry, I do not. I was on a PC back then, and when it went, it took out my photos.
I did a rear floor replacement at the same time.
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06-27-2008, 10:37 AM
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#6
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Rivet Master
1972 25' Tradewind
North Vancouver
, British Columbia
Join Date: Feb 2006
Posts: 3,421
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Quote:
Originally Posted by uwe
Sorry, I do not. I was on a PC back then, and when it went, it took out my photos.
I did a rear floor replacement at the same time.
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That's a shame.
__________________
Cameron & the Labradors, Kai & Samm
North Vancouver, BC
Live! Life's a banquet and most poor suckers are starving to death! - Mame Dennis
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06-27-2008, 11:57 AM
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#7
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418
2007 25' Safari FB SE
1958 22' Flying Cloud
1974 29' Ambassador
Yucca Valley
, California
Join Date: Jun 2002
Location: 1963 26' Overlander
Posts: 4,804
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Quote:
Originally Posted by cameront120
That's a shame.
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Indeed.
However, I do remember doing the job. It really wasn't very difficult.
The hardest part is always finding a suitable tank. One that has the drain connection at the right stpot and fits well into the frame space.
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06-27-2008, 12:19 PM
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#8
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Rivet Master
1972 25' Tradewind
North Vancouver
, British Columbia
Join Date: Feb 2006
Posts: 3,421
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I suppose one could make a tank out sheet stainless. That might actually be easier than finding one ready made that meets a particular trailers requirements.
__________________
Cameron & the Labradors, Kai & Samm
North Vancouver, BC
Live! Life's a banquet and most poor suckers are starving to death! - Mame Dennis
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06-27-2008, 12:53 PM
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#9
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4 Rivet Member
1984 34' International
1977 Argosy 24
Central
, Georgia
Join Date: Jun 2006
Posts: 492
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Quote:
Originally Posted by cameront120
I suppose one could make a tank out sheet stainless. That might actually be easier than finding one ready made that meets a particular trailers requirements.
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After you drop some belly pan and measure what you need...
Ordering a new tank will be easier than you think:
example - - Plastic-Mart -
try googling Custom RV Waste Tanks
__________________
Travelers by aluminum roadships, loyalists to one species,
masters of convenience, herdsmen steeped in maintenance and restoration.
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06-27-2008, 01:07 PM
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#10
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4 Rivet Member
Join Date: Jan 2008
Posts: 375
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I considered adding a gray tank to mine but I felt it would be too difficult to reroute all the drain plumbing. On my present factory setup everything drains to the rear. I would have to completely redesign it to drain to the center then somehow route the tank drain back to the rear or street side. I may regret it later but decided it wasn't worth the hasle IMHO. I'll just have to hope that I will be able to use the old blue tanks.
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06-27-2008, 02:18 PM
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#11
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Patriotic
1973 23' Safari
North of Boston
, Massachusetts
Join Date: May 2002
Posts: 4,546
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I'd do it now, while you've got a blank slate. I've found over the years that there are occasionally camping opportunities at places that aren't campgrounds. Sometimes, even at some campgrounds, the dump station is SO very far away, its a royal pita to get a blueboy over there. If you can, you have to wait in line twice. And where no dump station exists, (highway rest stop/walmart/crackerbarrel, etc), a small blueboy has little utility...and a big one is too heavy to lift into the truck. It would just be so much easier to be completely self-contained.
__________________
Air:291
Wbcci: 3752
'73 Safari 23'
'00 Dodge Ram 1500 4x4 QC
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06-27-2008, 07:05 PM
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#12
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Ham KI4HJX
1982 27' Excella
1970 23' Safari
Franklin
, 28734
Join Date: Jul 2007
Posts: 126
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I have a 70 23ft safari that I am going to put a tank in. I was going to try a tank from a newer Airstream. Maybe a 75 or 76 and see how the factroy did it. There can't be a lot of difference in the way they are put together. Mine is a single axle.
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07-01-2008, 06:00 PM
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#13
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2 Rivet Member
2005 22' Safari
Half Moon Bay
, California
Join Date: Mar 2008
Posts: 52
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Grey tank in '71 25 footer
Quote:
Originally Posted by paul903
Is it possible to add a gray water tank to a 1971 25' and where would it go? What year did A/S start providing grey water tanks?
Thanks
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Hi Paul - my situation exactly, and I'm coming up with the same answers as others who responded - "put it behind the axle." Check out INCA Plastics. They make a 26 gallon tank that looks right, but I'm not ready to pull the trigger. Tonight, I'll post the specific tank #, some thoughts on why it looks right, and other work I'm doing in the area. jim
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07-01-2008, 07:40 PM
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#14
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418
2007 25' Safari FB SE
1958 22' Flying Cloud
1974 29' Ambassador
Yucca Valley
, California
Join Date: Jun 2002
Location: 1963 26' Overlander
Posts: 4,804
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I found a very nice tank for the Globetrotter at Ronco plastics in Tustin CA.
www.ronco-plastics.com
Their Holding tank catalog has some tanks that will fit into the frame recess, with just enough protrusion to make a nice new dump valve system.
Grey tanks need to be vented at or near the top, so that they can fill completely without forming an air bubble above the liquid. The fill pipe can go into the tank's lower section, or even connect to the drain line. With the 1.5in valve closed, the tank will fill so long that it is vented at the top.
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07-01-2008, 11:29 PM
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#15
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2 Rivet Member
2005 22' Safari
Half Moon Bay
, California
Join Date: Mar 2008
Posts: 52
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Check out <Incaplastics.com> RV Tanks - # H136 26 gallons, or# H 86 - 27 gallons. It would fill up either the next to last bay under the floor, just forward of the bathroom, or the bay forward of that. I would like to have it as close to the axle as possible to reduce change in weight distribution as it filled. And that also reduces the moment arm on the rear of the trailer frame if I had to haul it around filled for any distance on a rough road. The Land Yacht is vastly improved now that I've added new steel aft of the wheels. It was a trailer park queen, and suffered from regular irrigation at its stern - the floor under the bathroom was compost, the insulation was still damp, the frame had holes rusted through, and the belly pan was corroded at all the rivets. Forward of the axles, all was healthy except for the belly. Even the mice.
So while replacing one sheet of plywood, 6 1/2 feet of 11 gauge 5 X 1 3/4 frames, and trying to fit a shower into the aft curb-side corner, it seems like the right time to add a gray water tank. Its going to be a little tricky getting the piping to the new tank, venting the tank, and arranging a pipe and valve for the waste.
How have any of you secured the tank to the underside and the frame or cross-members? It doesn't seem wise to weld fixed brackets to the cross-members to secure a plastic tank. Have you any experience with forming a new shower pan in the corner, and locating and installing flexible plastic or fiberglass sheets on the inner skin?
Thank you all for sharing your knowledge and experience so generously. Jim
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07-07-2008, 09:44 PM
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#16
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3 Rivet Member
1972 23' Safari
Dearborn
, Michigan
Join Date: May 2007
Posts: 120
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What we wanted was to have the ability to stay someplace over night and still be able to use the sinks for things like washing hands and a little clean up after eating.
The original manual recommended leaving the cap on and allowing the pipes to fill but that makes a mess when you take the cap off because there isn't a valve.
The local AS dealer (back in Michigan) came up with the idea of using a section or two of 3" drain pipes going from the kitchen drain and the bathroom drain and putting waste valves on the ends. I can hold about as much as a small blue tank and I don't have to drag it around or lift it.
The price of the pipe is cheap and it didn't require any where near the work to install a full gray water tank.
I don't think I would recommend going long distances with the pipes full, especially over rough terrain.
Tom Bray
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