Author Topic: Tire carrier welding advice  (Read 6263 times)

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Offline Cleavon jr

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Tire carrier welding advice
« on: July 21, 2018, 07:01:17 pm »
Iím working on a swing out tire carrier and I have a question about welding the upright portion. The swing out section is 1/4Ē 2x4 and I plan on using a 2x2 section of1/8Ē for the main upright that holds the tire(235/15 BFG). Iíve done a fair amount of welding but only with mig, flux core and o/a with decent results but Iím no professional. This will be my first time welding something that could potentially kill someone on the highway if it failed though.

Instead of just welding the 2x2 onto the 2Ē side of the 2x4, I was thinking about cutting a 2Ē square in the 2x4 and cutting off two sides of the 2x2 four inches up from the bottom. Then I could fit the 2x2 inside the 2x4 and weld it up as usual. Maybe even cut the legs of the 2x2 a little longer and add two cuts on the bottom of the 2x4 so that would go all the way through and I could weld them on the bottom also. I have access to a mill so making the cuts as clean as possible isnít a problem. I would still plan on at least one 45 for bracing from the side.

Is this a dumb idea?

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    Offline Elwenil

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    Re: Tire carrier welding advice
    « Reply #1 on: July 21, 2018, 07:27:33 pm »
    It's not a dumb idea, but probably unnecessary.  As long as the welds are good it will be as strong or stronger than the base metal.  I would just butt weld it to the top and if you are worried about strength, toss on a couple "T" shaped plates to bridge the joint.
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    Offline Cleavon jr

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    Re: Tire carrier welding advice
    « Reply #2 on: July 21, 2018, 07:46:56 pm »
    My main concern would be making a weld that looks good but doesnít hold. So far the 1/4 Iíve welded with my Lincoln 110v using flux looks ok I suppose, but if they fail the bumper is still held on by the other eight bolts. Iíd hate to fall victim to the old ďa little knowledge is a dangerous thingĒ.

    Offline Mojack

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    Re: Tire carrier welding advice
    « Reply #3 on: July 21, 2018, 08:13:08 pm »
    It's not a dumb idea, but probably unnecessary.  As long as the welds are good it will be as strong or stronger than the base metal.  I would just butt weld it to the top and if you are worried about strength, toss on a couple "T" shaped plates to bridge the joint.

     {agree}   T plate, diamond plate or fish plate will virtually double the strength at the joint.
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    Offline RedneckInTraining

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    Re: Tire carrier welding advice
    « Reply #4 on: December 19, 2019, 05:06:49 pm »
    When in doubt more weld area is always a good thing.
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    Offline Alex_M

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    Re: Tire carrier welding advice
    « Reply #5 on: March 26, 2020, 09:45:56 pm »
    Are you talking about a swing out carrier like this? This is one I built about three years ago as a college welding project.

    '86 W150 "Lazarus" - Single cab long box - 318ci, NP435 swapped, 33" tires, mid-3/4 ton swap. Engine: big ported out 302 heads milled .050, Edelbrock intake, Holley 600, Roller Cam, long tube headers.

    '88 D150 "Daily Driver" (in progress) - Single cab short box, 346ci (destroked) with NASCAR rods, B300 318 heads, Edelbrock SP2P intake, 650 spread bore Holley, NP435 swapped, 2.46 gears.

    Offline Alex_M

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    Re: Tire carrier welding advice
    « Reply #6 on: March 26, 2020, 09:49:26 pm »
    Just realized the age of this thread. For anyone else that comes along with a similar question, I just butted the two pieces together and welded them. This specific example had two kickers made of 1x2" square tube that came out to the carrier portion. Worked like a charm.
    '86 W150 "Lazarus" - Single cab long box - 318ci, NP435 swapped, 33" tires, mid-3/4 ton swap. Engine: big ported out 302 heads milled .050, Edelbrock intake, Holley 600, Roller Cam, long tube headers.

    '88 D150 "Daily Driver" (in progress) - Single cab short box, 346ci (destroked) with NASCAR rods, B300 318 heads, Edelbrock SP2P intake, 650 spread bore Holley, NP435 swapped, 2.46 gears.

     

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