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Feeler: Air Tank Sliders

Discussion in 'Famous Fabrication' started by DWreck, Sep 7, 2012.

  1. Sep 10, 2012 at 8:09 PM
    #21
    CayucosTacoma

    CayucosTacoma Just think outside the Yota

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    Specs in the Build Thread
    Any clue on what the price differece might be?
     
  2. Sep 10, 2012 at 8:31 PM
    #22
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    ~$50

    No regulator or guage on sliders.
     
  3. Sep 10, 2012 at 8:40 PM
    #23
    IluvTEA

    IluvTEA Well-Known Member

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    Subbed for pics. Curious how to see how the valve is protected from rock damage...
     
  4. Sep 10, 2012 at 9:46 PM
    #24
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    Debadged, k&n cai, tc uca, billy 5100, led hood lights, redline hood struts, tailgate ez-down, ddm hid heads, Piaa 510 hid fogs, procomp 7089, dunlop fierce mt, cb and ham radios, hideaway strobes, ff front bumper, ff sliders, bed rack,
    Currently the sliders are only being used for the storage of air. There is only one hole in the sliders. Air is pumped into and out of the same location. The quick connect is still on the compressor. Remember, I was simply using this set as a test set. I wanted to keep 100psi in them as often as possible, to see if they fail. If I do these for production, they will have a bung on each rail for hooking up to. Also, a pressure relief valve will be used to empty the sliders of moisture.

    I will post pictures of the ones currently on my truck tomorrow to give all of you an idea of how it is done. :D
     
  5. Sep 12, 2012 at 10:14 AM
    #25
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    PICTURES!!!

    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
     
  6. Sep 12, 2012 at 6:24 PM
    #26
    mgrande

    mgrande iKill

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    awesome idea
     
  7. Sep 14, 2012 at 11:55 PM
    #27
    DoorDing

    DoorDing Thank you, Nancy Roman

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    Technically, I'm sure you can make this work. If I didn't think you could weld, I wouldn't be PMing you about buying an unpressurized pair. ;)

    Legally, I think you'd be better off avoiding any pressurized production. Pressure vessels of all types are regulated by the government, which is why you'll find certification data on even the cheesiest Harbor Freight air tank. Even with a signed release from a customer, I think you'd still run afoul of commercial regulations if you sell an uncertified pressure vessel. ASME code covers the design and testing of pressure vessels, and I'm pretty sure you don't want to go through all of that.

    Here's something that may work, though. If you built the item with an "inspection port" that just happened to be 1/2" NPT, individuals could do whatever they damn well pleased with the product. By not advertising or promoting the product as a pressure vessel, I don't think you'd have any liability issues. In fact, a brief disclaimer stating that the product wasn't a certified pressure vessel might take care of everything.

    Regardless, before selling one, I think you'd be wise to discuss the matter with an attorney. An air compressor shop might be able to answer questions about tank certification, too. Great idea, and I hope you find a way to make it work.
     
  8. Sep 18, 2012 at 1:23 AM
    #28
    DoorDing

    DoorDing Thank you, Nancy Roman

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    skygear, I think you'd be better off with a manifold separated from the slider/tanks for all of those needs. It'd be a lot less expensive, and you could run pipe or hose right where you wanted it instead of where it'd have to end up if you had to connect to the sliders directly.
     
  9. Sep 18, 2012 at 2:24 AM
    #29
    DoorDing

    DoorDing Thank you, Nancy Roman

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    Looks pretty good. I'd guess that the maximum pressure need only be a little higher than is commonly produced by on-board air compressors. Anything more seems pointless.

    Oh, and leave DWreck alone. He needs to be totally focused on getting my sliders shipped. Like a shark with a frickin' laser beam. All of this bung hole talk can wait.
     
  10. Sep 18, 2012 at 6:00 AM
    #30
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    Just read through these recent posts. I'll have to come back to them later. Too many words to process before my coffee...
     
  11. Sep 18, 2012 at 6:07 AM
    #31
    PAlittlematty

    PAlittlematty "the soulless ginger"

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    I know a guy who used an AC compressor to fill the rear tube bumper they built on an old merc station wagon. The merc pulled the dirt track car trailer. It held 150psi
     
  12. Sep 18, 2012 at 6:58 AM
    #32
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    400psi is too high. I'm not certain the tubing itself woldn't seperate. I would have three bungs, in, out, and drain. If you want more, I recommend the regulator below...
    Everything is pressurized except for 3 of the 4 legs from frame to slider. Yes, it's roughly 4 gallons total.
    The picture is the inside of the frame at the carrier bearing crossmember. Like said above, 3 holes in the sliders.
    :thumbsup:
    I would only probably test them at 200psi, rating them somewhere in the low-mid 100.
    Agreed :D
     
  13. Sep 18, 2012 at 12:00 PM
    #33
    DoorDing

    DoorDing Thank you, Nancy Roman

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    Something like a fuel tank coating may work, but I'm not sure that's really necessary. A coating could also possibly trap moisture between the inner tank wall and itself, defeating the purpose. I'd also be concerned that whatever coating or treatment was used could eventually end up adding particulates to the air as it degraded, and that wouldn't be good.

    Adding a few drops of oil to the system, along with draining the water, would probably be fine. Most air tanks are bare steel inside and seem to last for a very long time with minimal maintenance. I wouldn't worry about it.

    Of course, Derek might be persuaded to make a set of stainless steel sliders ... for a price. :cool:
     
  14. Sep 18, 2012 at 12:07 PM
    #34
    1337Taco

    1337Taco Slamry

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    Bruce - Quattrokiwi has air tank built in his bumper. It's cool, but what happens in an accident?
     
  15. Sep 18, 2012 at 12:20 PM
    #35
    DoorDing

    DoorDing Thank you, Nancy Roman

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    At the likely pressure and construction involved, either a fitting/line would fail (no big deal), or a weak spot in the tank would fail, leading to a small tear (no big deal). To me, the pressure, volume, and materials involved just don't look to be a huge hazard. I'd be more concerned about the folks running around with CO2 or SCUBA tanks for OBA, and I'm not concerned about them, either.

    I may be wrong, but I'm pretty sure it won't look like the end of Jaws.

    http://www.youtube.com/watch?v=It4KQulxfwQ
     
  16. Sep 18, 2012 at 3:24 PM
    #36
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    A simple "pop" followed by pshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.
     
  17. Sep 18, 2012 at 4:38 PM
    #37
    DoorDing

    DoorDing Thank you, Nancy Roman

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  18. Sep 18, 2012 at 8:23 PM
    #38
    DWreck

    DWreck [OP] Famous Fabrication Vendor

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    I'm not currently set up for stainless, but I will check the price difference for you.
     
  19. Sep 18, 2012 at 9:41 PM
    #39
    snowsk8air2

    snowsk8air2 how hard can it be?

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    seems like a very interesting idea. curious how they would hold up after taking a beating. i assume that everything would hold up just fine and you wouldn't have issues. good luck, hope they hold up.
     
  20. Sep 18, 2012 at 10:11 PM
    #40
    DoorDing

    DoorDing Thank you, Nancy Roman

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    ARB wants around $160 for a 1 gallon, aluminum tank, so there may be a market for a 4 gallon solution like this if the price is right. I really think the only real issue on the user end is whether the sliders will remain air tight when used as intended. As long as the ports are protected, I'll bet they will, but only real world abuse will provide proof.

    Is it very common for sliders to become so damaged that the tubing is torn open? I'm guessing not.
     
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