new auxillary gas tank

Discussion in 'Hacks' started by draperg1, Feb 20, 2018.

  1. draperg1

    draperg1 PapaBear

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    IMG_20180220_122307402.jpg IMG_20180220_122452135_HDR.jpg IMG_20180220_123311282.jpg Ridn3 bought a aux gas tank on line and brought it down to my shop to mount. He got a what I think is a great buy on a 4gal tank with all the fittings but what we felt was a little much on the mount. Have now mounted the tank with a quick release using hitch pins. All that is left to do is run the lines. I'm gonna leave that to him since all the plastic has to be removed so as to get to the gas tank. It came with all the fittings for a gravity feed system. With this and his history of gas mileage he should now be able to get out of the county without stopping for gas!:jack
    #1
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  2. Strong Bad

    Strong Bad Former World's Foremost Authority

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    Is that a fuel cell, with foam inside a bladder and all?
    #2
  3. Bobmws

    Bobmws Curmudgeon At Large

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    Is that a tip-over vent on top (check valve)? I would remove it and run a vent hose down below the body work. On my cell, theat type of vent wouls allow a bit of gas to escape when the tankk was full.
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  4. Ridn3

    Ridn3 Lopsidd

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    No. It has foam but no bladder.
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  5. Ridn3

    Ridn3 Lopsidd

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    Thanks for the info. We were debating whether to use a tip over valve or not. It came with a 1/2- fuel line for a vent. We are going to change that to a 3/8 clear line.
    #5
  6. Bobmws

    Bobmws Curmudgeon At Large

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    As long as it's on the hack, there's no good reason the keep it, unless you anticipate a Drone move.......:-). Although I don't believe he anticipated that either.
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  7. Valk rider

    Valk rider Adventurer

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    I have that 4 gallon tank (painted black) also but strapped to a base that mounts to my rear rack with 2 knobs underneath to allow quick removal. I haven't removed it since mounting the hack. Real simple gravity plumbing. I removed the foam that was in it.

    Attached Files:

    #7
  8. Ridn3

    Ridn3 Lopsidd

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    This came mounted to a base that supposedly fit an 1150 GS or RT but wouldn't come close to fitting the RT side racks. When I find out what it fits, I'll sell it. We do a lot of traveling so I wanted to keep the tail trunk. Was yours plumbed into the fuel plate under the tank?
    #8
  9. Pokie

    Pokie Just plain Pokie.

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    I made about a three gallon tank that I frame mounted on the front. I like riding a bare bike but need a little weight on the front, especially when I hang all my gear on the back. The tank comes off pretty easy as it's held on with rubber straps that hook to the frame.

    Frankie4.jpg
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  10. Valk rider

    Valk rider Adventurer

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    I made the base to fit the rack. It's just wood with short wood rails to contain the tank. Straps are polished aluminum. The bike is a 98 Honda Valkyrie BTW so plumbing might be different. But yes, the line from the aux tank runs to a tee under the main tank through a valve to isolate the aux tank. I normally use the aux tank first then turn the main tank petcock to on. Because I'm slightly paranoid about running out of gas I carry a gallon container in the a saddlebag.
    #10
  11. Ridn3

    Ridn3 Lopsidd

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    Looks really sharp. We are debating painting it black or putting a duffle bag over it. Do you have the aux tank vented?
    #11
  12. Valk rider

    Valk rider Adventurer

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    It is vented but just through the tip over valve that came with it. No vent line to under the bike. i like the look of a duffle bag like some of the cylindrical tanks come with.
    #12
  13. Ebayru

    Ebayru Adventurer

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    My solution for the lousy gas mileage of my rig. I now have 9 1/2 gal capacity. The 5 1/2 gal tank is only about $40 on eBay.
    [​IMG]


    Sent from my iPhone using Tapatalk
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  14. DRONE

    DRONE Dog Chauffeur

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    Wait, Bob, I don't think "a Drone move" is actually a thing. I believe the proper term is "parking in an inverted position."

    P1020167.JPG
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  15. claude

    claude Sidecar Jockey

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    EXTRA FUEL.jpg
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  16. brstar

    brstar Long timer

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    Isn't that just a minor variation on angle parking?
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  17. rantingsmith

    rantingsmith Quadrilingual blacksmith seat of pants engineer

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    No, it's more like total commitment to the 180 degree wheelie.


    Nothing worth doing is ever easy.

    1983 XV750SE CAFE/BRAT - 1981 TR1.1NCENT PROJECT - 1982 XV750/920 upgrade SIDECAR PROJECT w. WATSONIAN MONACO CHAIR
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  18. Ridn3

    Ridn3 Lopsidd

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    #18
  19. Bobmws

    Bobmws Curmudgeon At Large

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    I'd wager Claude's tank is baffled and/or foam filled. It's not his first rodeo! And the pannier looks to be supported by the sidecar framework. ;)
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  20. Strong Bad

    Strong Bad Former World's Foremost Authority

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    Gasoline weighs between 6.3 to 6.9lbs/gal so 7.5gal would be just over 47 to just under 52lbs. I agree that it is a pretty good load on the pannier mount, but I did the CDR with a pannier loaded and a 2 gal Rotopax mounted to it with zero ill effects found. The weight is distributed between the Tug and the Tub, not equally but not all on the Tug. I've made plenty of fuel tanks in my day (including 100+ gal tanks for sail boats) and if the baffles are properly made and placed sloshing is not an issue.
    #20
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