#1
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Need some Stainless tanks made
Hello All
I'm looking for someone who can make 2 stainless tanks approx 12x9x70 with radius corners ( could be any radius 1/4" thru 1" ) maybe 20 Gauge stainless steel? these tanks will be holding water, so I would like an internal baffle I have zero experience with tanks ( all kinds of other stuff but not this ) Thanks for looking John 7143281028
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John Your imagination is limited by the imagination of those you believe. |
#2
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If you can weld SS you can make the tanks you need . Form the box ,2- 90s or four 90s and weld the seams . make a baffle by cutting 45s on each corner weld it in place , with 20 ga. I would make it a bit over size and bend 90s to make it fit snug then weld on the flange edge . Make your end plates oversized , 90s all around for a snug fit with the flange out weld the edges . check for leeks . Another thing cut holes for fill and draw before bending , I think it is a lot easier then after the tank is welded up. Make a small tank for practice it will help with the big tanks.
Don
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Don Papenburg |
#3
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Two stainless fuel tanks, for old cars doing 5000km tours.
I've made a few tanks for old cars and old airplanes.
These are two non-welded stainless tanks that were pressure tested to 22psi. Soldered lap-seam construction. .040" stainless 304. (No distortion from welding.) (Thick stainless has less tendency to distort, so furniture and art stuff is made thick and welded.) I am no expert, but I have made a few fuel tanks, oil tanks, water tanks. (No leaks.) 1914 Packard tank, Browning, copy.jpg 1934 Packard tank,.jpg (the owners of these two drove their restored Packards on 5000km x-country tours in Aus and US. I was asked to "build to last" - that's why the removable electric in-tank pump cover is seen on the 1934.)
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. Last edited by crystallographic; 03-31-2022 at 01:24 PM. |
#4
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Hey Don, Thanks for the vote of confidence. I have an 8' press brake and two 4' box and pan brakes... It's not that I can't make the tanks it's that I don't want to make tooling to make the tanks.
If someone here is set up to do a radius bend and can either make the whole tank that would be ideal, but if not then I'd settle for having someone bend the metal for me... and if not then I'll make the tanks, but I really don't want to. I've made tons ( literally tons) of tooling and specialty tooling, dies, fixtures and jigs... sometimes it's just better to let someone else do the thing. Crystallographic-- ideally the radius would be small, can you brake the sheet metal for me and I'll weld it? (I'd prefer to stay away from solder John
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John Your imagination is limited by the imagination of those you believe. |
#5
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John , I know about that , many times I wish someone would do things so I could get other things done.
crystallographic , What solder do you use for SS tanks ? Any special prep other than super clean the joints ?
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Don Papenburg |
#6
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Quote:
I use a special solder and a special flux. And righty-o ... make it all clean. I'll look up the joining specs ...
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
#7
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Soldering stainless
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The ideal solder for stainless is "Sn63" and I use Johnson Co. "Lloyd's" stainless solder flux. (Side notes: The tanks I show here were replacements for complete restorations that were going to be used for "tours" - 5000 km or 1000mile cross-country driving marathons. I became familiar with the rigors of these working at HAC, and Bill Harrah would have us prep a car for a tour in Aus, or Africa, or US, every year or so. Pierce Arrows were his faves, but Packards would also be chosen. BTW, I have helped restore pre-WW1 autos that had over 200,000 miles on them, based on areas measured for known wear .... The USA had about 200 miles of paved roads in 1912, iirc. (See the movie "Merrily We Roll Along" for a REAL look at American auto construction and usage!)
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
#8
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Is Sn63 an industry standard or a proprietary number? The Johnson Co. is it regional or national, I don't recall the name but then I am getting older. Don
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Don Papenburg |
#9
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Quote:
"Sn63" is like "4130" or "6061." Ask for it by that designation - from a plumbing supply house. I just did a search for you - using only "Johnson Flux Company" The number one result is this: http://johnsonmfg.com/2015/03-lss.htm Good luck, with lots of success and joy added in,
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
#10
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Kent thanks , They are just about in my back yard. I have several nice coppers that I have never used ,time for a project.
On the tanks that you made for the old cars , Did you tip the end plates and then fold the tank body over to capture the end plate? Then solder. Don
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Don Papenburg |
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