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35 gal fuel tank group buy

Discussion in 'Group Buys' started by steve103, Jan 25, 2013.

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  1. Jan 25, 2013 at 9:47 PM
    #41
    Monkeyboy

    Monkeyboy Well-Known Member

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    An extra 15 gallons is only ~130 lbs more. If you've got the cash for this, you probably can spring for the upgraded suspension that makes that negligible.

    And since it replaces the stock system, it's much simpler solution - a secondary tank adds a lot of other moving parts that provide opportunity for failure.

    There is no requirement to keep the tank full at all times. When you're using all that capacity, you'll have plenty of other gear to balance it out. Plus, you don't need to have to full all the time when not otherwise loaded.

    Point is - it's possible to overstate the effects of having the fuel tank aligned to one side.
     
  2. Jan 25, 2013 at 9:55 PM
    #42
    File IFR

    File IFR "... Intercepting The Localizer"

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    What material is the tank made of?

    Aluminum, stainless steel?

    **Edit** I just read the link.... it's aluminum.
     
  3. Jan 25, 2013 at 10:37 PM
    #43
    DoorDing

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    Of course, one big tank becomes a single point of failure.

    Frankly, I'd rather have an a second tank with it's own fuel pump on the opposite side with a simple, manual valve system to perform the changeover. No need to transfer fuel, it's a largely redundant fuel system (that's good, btw), and with better weight distribution. Just a guess, but an existing, plastic fuel tank could be found in a salvage yard and mounted under the bed for less than the cost of a Megatank.
     
  4. Jan 25, 2013 at 11:12 PM
    #44
    Kyouto42

    Kyouto42 Iron Beard

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    Honestly, that's a bad design if I do say so...

    First off, it'll interfear with most under armor.
    Second, you'd need to make a hell of an armor piece to protect it from puncture on an expo rig.
    Third, seems like it'd be in the way of any decent travel on the rear suspension as well?
    Fourth... mad taco lean, can be compensated for... but this could be fixed by using the pass side as well for a tank design...
    Fifth... dual tanks with switch is better for expo as you have less failure points... and costs about the same or less.
    Sixth... seems like air pockets with that much routing would be an issue.
    Seventh... I'd be VERY concerned with how close the y-pipe is getting to that thing and the heat it'll get exposed to there. Any vapor leaks.... .....

    Still, props for the concept, but no thanks.
     
  5. Jan 26, 2013 at 9:27 AM
    #45
    rsbmg

    rsbmg Well-Known Member

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    Found this for you guys, you could put some nice bumpers on it and a roof top tent and would be good to go.

    g-usn-110405-gasoline-tanker-truck-730p.jpg
     
  6. Jan 26, 2013 at 9:31 AM
    #46
    DoorDing

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    8WD would be pretty good for an expo rig.
     
  7. Jan 26, 2013 at 9:36 AM
    #47
    Fiend13

    Fiend13 Well-Known Member

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    So with the added weight of the tank and higher fuel capacity you would be adding around 210lbs with full tank
     
  8. Jan 26, 2013 at 9:39 AM
    #48
    ace96

    ace96 Well-Known Member

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    I would be more concerned with the square edges. There is a reason the original tank isn't squared off like that. Likely to have more fatigue failures.
     
  9. Jan 26, 2013 at 9:40 AM
    #49
    07SpeedwaySport

    07SpeedwaySport Senior MoFo'ing Member

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    But you need an extra fuel pump to pump the gas from the big tank to the little one...too much work.
     
  10. Jan 26, 2013 at 9:45 AM
    #50
    benbacher

    benbacher Purveyor of Fun Vendor

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  11. Jan 26, 2013 at 9:57 AM
    #51
    Gincoma

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    Its just a gas tank its not carrying nuclear waste....your way over thinking this....props to the OP I don't think a lot of people here understand the whole expo theme and hate on the product that was custom built...
     
  12. Jan 26, 2013 at 9:58 AM
    #52
    BEEFY_CHEESY_TACO

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    Yeeeaaa..... a lot of expeditioners have their spare tire removed from the factory location which opens up a perfect place for a secondary fuel cell thats tucked up out of the way and wouldn't be hard to install. Much more practical than spending $2k on a tank then spending another large chunk on a custom skid to cover it. Thats a lot of F-in money.
     
  13. Jan 26, 2013 at 9:58 AM
    #53
    DoorDing

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    Ben, an auxiliary fuel system is not a bad thing. Designed as I mentioned above, it amounts to an entirely separate, redundant fuel system that'd be fully capable of replacing the primary system. Redundancy is a desireable goal in this type of application, not a long list of additional points of failure. Designed as I described, the primary fuel pump, tank, and hoses could all be destroyed or out of service due to contamination, and the vehicle would be able to continue normal operations by switching to the second tank.

    One Megatank is a weakness. I don't begrudge the folks that prefer that approach, but I don't agree with their decision.
     
  14. Jan 26, 2013 at 10:00 AM
    #54
    DoorDing

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    I've explained why I wouldn't use this system and it has nothing to do with nuclear waste, money, hate, or a lack of understanding.
     
  15. Jan 26, 2013 at 10:01 AM
    #55
    Gincoma

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    Ummmm....ok??
     
  16. Jan 26, 2013 at 10:02 AM
    #56
    Kyouto42

    Kyouto42 Iron Beard

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    Quite the contrary, my rig is being built toward expo. I just think this particular design, is not good. That's all.


    Also as for failure, dual tank gives you two points of failure for puncture, that's what I meant. In the middle of BFE... that's some nice reassurance to have a secondary tank unaffected should something happen.
     
  17. Jan 26, 2013 at 10:02 AM
    #57
    DoorDing

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    I quoted your post and responded directly to it. What is it you don't understand?
     
  18. Jan 26, 2013 at 10:04 AM
    #58
    worthywads

    worthywads Well-Known Member

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    I'm wondering if there will be problems keeping the pickup submerged. The stock tank has a low spot so that gas will generally stay at the pickup if you are inclined.

    That tank looks very long and flat bottomed, like on an incline all the gas shifts to 1 end or the other?
     
  19. Jan 26, 2013 at 10:07 AM
    #59
    Gincoma

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    :notsure:
     
  20. Jan 26, 2013 at 10:08 AM
    #60
    DoorDing

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    For further illustration, I've been on a backpacking trip and had a 3L Camelbak bladder fail. I didn't want to hike several miles back to the Colorado River, and I didn't have to, because I had three 1L Platypus bottles of water stored in my pack. If I'd only had one big container of water, that would've been a long, dry hike to the campsite.
     
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