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Thread: fuel tank

  1. #1
    Join Date
    Aug 2013
    Posts
    9

    Default fuel tank

    I'm going to fab a fuel tank for a small outboard engine. I am trying to find a weldable filler neck and cap. Cap needs to have a vent that can be shut off. Any suggestions on where to purchase.

    Also any tips on what kind of aluminum and filler would be best. I'm thinking of using 1/8" aluminum sheet.

  2. #2
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,913

    Cool

    Quote Originally Posted by Mtbj View Post
    I'm going to fab a fuel tank for a small outboard engine. I am trying to find a weldable filler neck and cap. Cap needs to have a vent that can be shut off. Any suggestions on where to purchase.
    If you can't find anything off the shelf give me a yell...Bob

    http://www.ebay.com/itm/Aluminum-Bil...-/321323884277 adding a vent/valve would be easy
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  3. #3
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,854

    Default

    http://www.coyote-gear.com/aluminumfillers.html

    http://www.speedwaymotors.com/Filler...Neck,7539.html

    Why does the vent need to be shut off? It needs to vent for temperature changes when not used I thought.
    Last edited by MMW; 03-13-2014 at 09:18 PM.
    MM250
    Trailblazer 250g
    22a feeder
    Lincoln ac/dc 225
    Victor O/A
    MM200 black face
    Whitney 30 ton hydraulic punch
    Lown 1/8x 36" power roller
    Arco roto-phase model M
    Vectrax 7x12 band saw
    Miller spectrum 875
    30a spoolgun w/wc-24
    Syncrowave 250
    RCCS-14

  4. #4
    Join Date
    Aug 2013
    Posts
    9

    Default fuel tank

    It's a small outboard for a canoe. When it is removed for transport the vent must be closed so the fuel won't spill.

  5. #5
    Join Date
    Aug 2013
    Posts
    9

    Default fuel tank

    I was thinking of using 5052 sheet with 5356 filler metal. Any suggestions?

  6. #6
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,913

    Cool

    Quote Originally Posted by Mtbj View Post
    I was thinking of using 5052 sheet with 5356 filler metal. Any suggestions?
    I made some motorcycle tanks for my kids and his friends bikes and used 6061 because it was handy to find and work with..Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  7. #7
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,854

    Default

    I was always told to use 5052 for tanks. I don't have anything in technical data to back it up though.

    If you do close the vent don't leave it in the sun or an enclosed vehicle.
    MM250
    Trailblazer 250g
    22a feeder
    Lincoln ac/dc 225
    Victor O/A
    MM200 black face
    Whitney 30 ton hydraulic punch
    Lown 1/8x 36" power roller
    Arco roto-phase model M
    Vectrax 7x12 band saw
    Miller spectrum 875
    30a spoolgun w/wc-24
    Syncrowave 250
    RCCS-14

  8. #8
    Join Date
    Mar 2014
    Posts
    11

    Default

    aaMetalmaster,, your items are going to come in handy for me soon, I just ordered a G3 boat and am going to put a vented 10 or 12 gallon aluminum fuel tank in it up front to get the nose down. I saw several things that could come in handy. I will be in touch. Adam
    Don't underestimate how far acetone vapors can travel.

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