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Old 07-08-2013, 02:28 PM   #1
1 Rivet Member
1973 25' Tradewind
Bloomington , Minnesota
Join Date: Sep 2011
Posts: 5
Black/Grey water tanks

I am rebuilding a 1973 Tradewind shell off. I have sandblasted the frame, welded new outrigers on as needed and done the POR 15 paint on it. I have ordered new axles and am now ready to get the new waste tanks.
I read a thread where one of the members Described how she found a fabricator to make 2 ABS tanks to her specifications. She even had a drawing that she posted to her thread. I'm looking for that threat. I unfortunately did not write it down and would very much like to see what she did and who she contacted do have these tanks made to fit in between the web of an Airstream Tradewind trailer. I would like to go with ABS tanks as I am not exactly sure where I would want the toilet flange, and drain ports on the intake side. I know I would like to have these tanks fit into the existing 5 inch height of the frame and in between the webs.Does anyone have any idea who that was and where the threat is. I'm interested in putting in minimum of 20 gallon tanks, keeping in mind that I need to minimize weight. I do not haul waste water or do much camping where I would need to store waste water. If you can help me I would really appreciate it.

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Old 07-08-2013, 02:50 PM   #2
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1956 22' Safari
Vintage Kin Owner
Conifer/Evergreen , Colorado
Join Date: Feb 2002
Posts: 11,740
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Originally Posted by mnpaul2102 View Post
I read a thread where one of the members Described how she found a fabricator to make 2 ABS tanks to her specifications. She even had a drawing that she posted to her thread. I'm looking for that threa(d).
I think it might have been my "It's a girl!!!" you go - the post & attached drawings for our three tanks.

Although, I'm certain your tank sizes will vary as mine were for our '56 Safari which is quite different from a '73 Tradewind. The source would be the same though...good luck!


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Old 07-08-2013, 03:12 PM   #3
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1965 24' Tradewind
1962 28' Ambassador
Mesa , Arizona
Join Date: Jun 2013
Posts: 2,307
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We are redoing a 1965 Tradewind and ordered our gray tanks from Vintage Trailer Supply. Steve was very helpful and assisted us with our fill, drain, vent and daisy chain holes. The tanks from VTS will fit in the 5 inch space

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Old 07-08-2013, 09:15 PM   #4
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1973 21' Globetrotter
Houston , Texas
Join Date: Sep 2009
Posts: 1,903
Are you talking about grey water or black? In my '73, the black tank sat above the floor, so you have more options for an off-the-shelf tank. I used two Vintage Trailer Supply tanks under the floor for the grey water tanks, and found that this was the most cost effective route to go (if I wanted to stay above the belly pan, inside the frame rails, not move any crossmembers, etc.).

good luck!
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Old 07-08-2013, 09:29 PM   #5
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1969 29' Ambassador
brooksville , Florida
Join Date: Nov 2008
Posts: 1,195
On a side note you can also have the tanks made to spec in stainless steel. They will last past our life time..
Not all those who wonder are lost.
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