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Pannier Weld, Braze or silver solder

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Pannier Weld, Braze or silver solder

Home › Forums › Related Hobbies including Vehicle Restoration › Pannier Weld, Braze or silver solder

Viewing 8 posts - 1 through 8 (of 8 total)
  • Author
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  • 10 August 2017 at 19:56 #311381
    Stephen Benson
    Participant
      @stephenbenson75261

      I have a pannier frame welded 20 years ago by a friend who unfortunately can no longer weld due to ill health. I have used this setup to travel all over Scandinavia and northern Europe on my 1950 Sunbeam S8 motor cycle I even made it to Finland and back.

      However I have just noticed one of the sides has fractured in front of a through pin it is not really load bearing but could be under tension I wanted some advice on how to best repair it.

      First thought is to cut away the welded pin and turn up a piece to join the two pieces of tube redrill for the pin but this will still need welding so I wanted to know if it could be welded as is ?

      dsc04017.jpg

      dsc04022.jpg

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      10 August 2017 at 19:56 #34355
      Stephen Benson
      Participant
        @stephenbenson75261
        10 August 2017 at 21:03 #311394
        Alan Waddington 2
        Participant
          @alanwaddington2

          Whichever way you decide to tackle it, i would definitely braze rather than weld, what you've got there is a classic stress fracture, if you weld it, chances are it will eventually fail again.

          10 August 2017 at 21:50 #311404
          Ian P
          Participant
            @ianp

            Not sure how you could prepare the faces of the fracture so they were suitable for brazing. I would be quite happy if that was welded up as long as a suitable plate or strap was also welded on. Basically locally triangulate the structure to transfer reduce the force the joint will see.

            Ian P

            11 August 2017 at 00:43 #311423
            vintagengineer
            Participant
              @vintagengineer

              If possible I would extend the gusset past the centre line of the pin.

              11 August 2017 at 07:36 #311435
              Chris Evans 6
              Participant
                @chrisevans6

                Try and get it clean for a TIG weld then grind flush. Follow this with TIG welding a section of larger tube to sit over the original. That should see your riding days out.

                11 August 2017 at 08:42 #311442
                J Hancock
                Participant
                  @jhancock95746

                  For a' long-time' solution I think it needs a redesign of that area.

                  A piece of solid round bar where the pin is welded into the tube , turned down to a diameter which would fit

                  tightly into the existing tube, for at least 2" at each end perhaps ?

                  This would at least remove the weak point of that drilled tube to somewhere else.

                  11 August 2017 at 09:33 #311448
                  Hopper
                  Participant
                    @hopper

                    I'd just weld it up and add a piece of 1" x 1/8" flat bar to extend the gusset down past the broken area and join up with the other gusset, then weld that in position. If the last one lasted 20 years, that should see you out.

                    Well done touring on a 1950 Sunbeam – or a 1950 anything else really. Great to see the old bikes still being used in anger.

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