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Old 11-17-2017, 11:34 AM   #1
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1973 31' Sovereign
Franklin , Indiana
Join Date: Feb 2017
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Wanting to move bath to center of 73 sovereign

Need advice on what type of tanks to use. I am moving bath to center of trailer and going to up date waste system. Thinking of going with 1974 type of set up. Any ideas or advice?
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Old 03-17-2018, 11:40 AM   #2
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1964 22' Safari
Dallas , Texas
Join Date: Feb 2018
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Did you ever move forward with your mid bath plans? I am thinking about doing the same with my 68 Safari. I have good locations for the grey and black tanks but wondering about how best to locate the clean-out ports ..especially distance of the black tank ( near the axle ) and the distance to the rear of the trailer. If I go to the side near the wheel well it will step down around the frame ( Will that cause clearance issues). Love to hear further comments on the subject.
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Old 03-17-2018, 07:56 PM   #3
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1986 34' Limited
1975 27' Overlander
Conifer , Colorado
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Hello from Colorado jdbuilder: I think most of new Airstream trailers have the bathroom in the center of the trailer. Our 86 Limited does. Rear bedrooms make more sense, but more importantly getting the water weight toward the center of the trailer makes sense. Further, Airstream has been using below the frame rail sewer discharge ports for a long time.

That said, my 75 Overlander is a rear bath model, with the waste water tanks located in the rear, the the discharge port through the frame rail just before the rear bumper. Not the greatest idea Airstream ever had.

I used to own a 66 Trade Wind 24' tandem axle. It is a rear bath. I reconfigured the waste water system to include a nice sized gray water tank and new black water tank. I routed the dump valve manifold below the frame rail. Yep, it took away some ground clearance. I find it effective in scraping dead raccoons of the highway.

I recommend building a street side below the frame rail sewer discharge. Since you plan a center bath, make the drain port close to the rear wheel like our 86 has.

David
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Link to my 1975 Overlander Improvement Journal:
https://www.airforums.com/forums/f17...ml#post2053792

Link to our 1976 Renovation Project:
https://www.airforums.com/forums/f221...ct-202081.html
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Old 03-21-2018, 07:19 AM   #4
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1964 22' Safari
Dallas , Texas
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Moving bath to center in 68 Safari

Thanks for your reply. I didn't see your pictures at first and those are most helpful. It does reduce the clearance quite a bit. Has that caused you any problems? I guess running the black waste lines to the rear through the strut openings would be too far unless one has a macerating toilet? My new axle is coming in a few weeks and I need to get on to the plumbing. I appreciate the input in my learning curve. JD
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Old 03-21-2018, 06:51 PM   #5
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1986 34' Limited
1975 27' Overlander
Conifer , Colorado
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The reduction in ground clearance on the Trade Wind did not cause any problems back in Minnesota. I did take a straight edge from the rear tire contact patch to the rear bumper and the "departure angle" cleared my tank pan. A center bath allows even more "departure angle". Here is a photo of the pan around the tanks. It is 4" below the frame rails. My 86 Limited is about the same size.

Some Airstream boondockers take their trailers up old logging roads or mining trails. Very rough roads with big rocks and washouts might damage the tank pan. I don't use my Airstream in this manner.

Here is a thread of a AirForums participant who built a center bath in his 68 Trade Wind. It may offer some ideas for you.

http://www.airforums.com/forums/f125...me-104003.html

Yep, the easiest way to repair a broken bathtub is to start over with all new. I built a new bath in the rear of my Trade Wind. No bathtub repairs required.

David
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Link to my 1975 Overlander Improvement Journal:
https://www.airforums.com/forums/f17...ml#post2053792

Link to our 1976 Renovation Project:
https://www.airforums.com/forums/f221...ct-202081.html
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