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Re: Replace Vibroplex contacts?

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  • n6vl
    Milt, $40.50 is the total price wo/ shipping. It includes replacing each post with a new contact, the contact spring, and a new sliding dash contact. I just
    Message 1 of 9 , Jul 22, 2008
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      Milt,

      $40.50 is the total price wo/ shipping. It includes replacing each post
      with a new contact, the contact spring, and a new sliding dash contact.
      I just called Vibroplex again to be sure.

      The real question for me is whether my post contacts really need
      replacing or if the fine grit cloth will work as well. I have used the
      grit in the past. I probably depends on the shape of the contact
      surface. All of my scratchy sounds are ONLY dot related.

      I have used Flitz metal polish before, but have reservations about it.
      Flitz is supposed to prevent further oxidation. Wouldn't that leave a
      film on it?

      73,

      Steve N6VL
    • k4oso
      Steve, I just looked at the Vibroplex page and the 40.50 price is for all the contacts. If all of yours are a wreck (??) and you need them replaced, that
      Message 2 of 9 , Jul 22, 2008
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        Steve,
        I just looked at the Vibroplex page and the 40.50 price is for all the
        contacts. If all of yours are a wreck (??) and you need them replaced,
        that price doesn't seem too bad. However, David's suggestion is a good
        one. Those contacts are pretty thick and should last quite a number of
        years, even with heavy use. Getting the old ones smooth in the event a
        previous owner took a file to them (or other drastic measures). Good
        luck.
        Milt
        k4oso

        --- In cw_bugs@yahoogroups.com, "n6vl" <n6vl@...> wrote:
        >
        > After a few months of all sideswiper sending, my bug has again caught
        > my attention. It is a 1953 Presentation, my favorite bug so far.
        >
        > A friend told me Vibroplex will replace the contacts. I just called
        > Vibroplex and they said it is $40.50 to replace each contact on the
        > contact post, the contact spring, and the sliding dash contact.
        >
        > Is that service worth the money? Or can I do a similar repair on my
        own?
        >
        > 73,
        >
        > Steve N6VL
        >
      • k4oso
        Steve, I have not had experience with Flitz. I do use the contact cleaning strips (from Ebay) and they do a great job. I also installed a capacitor across my
        Message 3 of 9 , Jul 22, 2008
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          Steve,
          I have not had experience with Flitz. I do use the contact cleaning
          strips (from Ebay) and they do a great job. I also installed a
          capacitor across my key contact posts and that has made a nice
          difference in the scratchy sound. I used a .01 microfarad cap from
          Radio Shack, and installed an "O" clip on the ends to keep it in
          place without having to worry about it dropping off during hook-ups.
          Milt
          k4oso--- In cw_bugs@yahoogroups.com, "n6vl" <n6vl@...> wrote:
          >
          > Milt,
          >
          > $40.50 is the total price wo/ shipping. It includes replacing each
          post
          > with a new contact, the contact spring, and a new sliding dash
          contact.
          > I just called Vibroplex again to be sure.
          >
          > The real question for me is whether my post contacts really need
          > replacing or if the fine grit cloth will work as well. I have used
          the
          > grit in the past. I probably depends on the shape of the contact
          > surface. All of my scratchy sounds are ONLY dot related.
          >
          > I have used Flitz metal polish before, but have reservations about
          it.
          > Flitz is supposed to prevent further oxidation. Wouldn't that leave
          a
          > film on it?
          >
          > 73,
          >
          > Steve N6VL
          >
        • David Ring
          If the contacts are ruined, they can almost always be restored. What you need for that is a flat surface to put the fine crocus cloth on. (In my last email, I
          Message 4 of 9 , Jul 22, 2008
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            If the contacts are ruined, they can almost always be restored. What
            you need for that is a flat surface to put the fine crocus cloth on.

            (In my last email, I called what you need "emory cloth" by error, the
            abrasive is the same but when it is put on paper, it is caled emory
            paper and when it is on cloth it is called crocus cloth).

            Disassemble the bug, and CAREFULLY rub the contact (face down) in a
            figure-8 pattern being careful to press down on the center as to not
            round the contact (not really a problem as long as it is uniform).
            Another method is to cut a band of crocus cloth and wrap around your
            finger like a bandage and "massage" the silver (towards the finger) in
            a figure eight pattern.

            If it is extremely bad (which it isn't) use course crocus cloth for a
            few wipes, then medium for much more and then fine. The idea is to
            level the surface, then with the fine cloth to polish it.

            Clean with denatured (or rubbing) 90% alcohol. and let dry, then work
            on the other three contacts.

            Then when all is dry, polish with Flitz. It has an ingredient which
            bonds to the silver to prevent tarnish and is excellent for contacts.
            Clean by rubbing off with cotton pads or cotton puff. Do not use
            paper towel - or use cotton tipped swabs with caution - avoid scarring
            by directly hitting the wooden stick of the swab.

            Paper towel should not be used on any mirror surface, just glass
            cleaning microfiber, Turkish towels, cotton balls or fleece.

            73

            DR

            On Tue, Jul 22, 2008 at 3:36 PM, k4oso <k4oso@...> wrote:
            > Steve,
            Getting the old ones smooth in the event a
            > previous owner took a file to them (or other drastic measures). Good
            > luck.
            > Milt
            > k4oso
          • Tim Soxman
            steve, If you had a drill press you could drill out the conntacts and press fit the new ones I provide tsp with little ball peen hammer snd it s locked in
            Message 5 of 9 , Jul 23, 2008
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              steve,
              If you had a drill press you could drill out the    conntacts and press fit the new ones I provide  tsp with  little ball
              peen hammer snd it's locked in place.Pr you an polish yhr contacts with  reley burnishr  or FlitZ/
              Tim W3ZVT
              Sent: Tuesday, July 22, 2008 2:09 PM
              Subject: [cw_bugs] Replace Vibroplex contacts?

              After a few months of all sideswiper sending, my bug has again caught
              my attention. It is a 1953 Presentation, my favorite bug so far.

              A friend told me Vibroplex will replace the contacts. I just called
              Vibroplex and they said it is $40.50 to replace each contact on the
              contact post, the contact spring, and the sliding dash contact.

              Is that service worth the money? Or can I do a similar repair on my own?

              73,

              Steve N6VL

            • k4oso
              Tim, Could you restate your suggestion. I m missing something. Thanks, Milt k4oso ... press fit the new ones I provide tsp with little ball ... with reley
              Message 6 of 9 , Jul 23, 2008
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                Tim,
                Could you restate your suggestion. I'm missing something. Thanks,
                Milt k4oso
                --- In cw_bugs@yahoogroups.com, "Tim Soxman" <tims@...> wrote:
                >
                > steve,
                > If you had a drill press you could drill out the conntacts and
                press fit the new ones I provide tsp with little ball
                > peen hammer snd it's locked in place.Pr you an polish yhr contacts
                with reley burnishr or FlitZ/
                > Tim W3ZVT
                > To: cw_bugs@yahoogroups.com
                > Sent: Tuesday, July 22, 2008 2:09 PM
                > Subject: [cw_bugs] Replace Vibroplex contacts?
                >
                >
                > After a few months of all sideswiper sending, my bug has again
                caught
                > my attention. It is a 1953 Presentation, my favorite bug so far.
                >
                > A friend told me Vibroplex will replace the contacts. I just
                called
                > Vibroplex and they said it is $40.50 to replace each contact on
                the
                > contact post, the contact spring, and the sliding dash contact.
                >
                > Is that service worth the money? Or can I do a similar repair on
                my own?
                >
                > 73,
                >
                > Steve N6VL
                >
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