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Re: Fred: [cw_bugs] Re: Vibroplex contacts

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  • Merv Schweigert
    Sounds like your dog and I would get along well, I like the food at field day as well usually. A few brews and some BBQ is FD at the best. 73 Merv K9FD
    Message 1 of 19 , Jul 8, 2011
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      Sounds like your dog and I would get along well,  I like the food at field day
      as well usually.  A few brews and some BBQ is FD at the best.
      73 Merv K9FD
      I think my dog thought K9FD was what it was all about, since he got to go & hang out at Field Day.  The food he begged & stole was the best, apparently.

      73 Kate K6HTN

      On Fri, Jul 8, 2011 at 10:33 AM, Fred Maas <just.one.hill@...> wrote:


      Irrellevant I suppose, but I LOVE your call sign.  All of it.  The K9 (canine), the FD, field day or Fred, and the /KH6
       
      73,  Fred "FD"
       
      also; W5YA / qrp, and WS0TA on SOTA peaks
       
      73 Merv K9FD/KH6




    • vk4wm
      Ok thanks Milt, you are right the V s work, everytime I sit down for a practice session the first series dont always pan out right then I settle in to it and
      Message 2 of 19 , Jul 9, 2011
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        Ok thanks Milt, you are right the "V"'s work, everytime I sit down for a practice session the first series dont always pan out right then I settle in to it and get some sort of rythm, after a while I find doing sequence's of a u v 4 helps too, my Aussie callsign exercise's the v 4 and for good measure w !!

        like the old song said "it dont mean a thing if you aint got that swing"

        73 Wade VK4WM
        SKCC # 5621

        --- In cw_bugs@yahoogroups.com, "k4oso" <k4oso@...> wrote:
        >
        > Wade,
        > It is quite easy once you catch on to the fact that sending either dots or dashes on a bug is not a "static", either-or operation. The process of sending is a fluid, swing operation. While you are pressing the dot lever, your dash finger is moving away from the paddle (to some degree) so that it starts back toward the dash lever in the rhythm in which you are sending. It might sound complicated, but think of it as a pendulum operation with varying delays, depending on the character. Only if you are sending the "error" sign (........) or a long dash (daaaaaaaaah) is it a static operation. In my opinion, practicing with "ditdahditdahditdah" will not help your problem. I suggest you practice sending a continuous string of "V"'s until you can feel the fluidity of the operation that is necessary to overcome the problem. Once you feel this rhythm, you will be on the road to bug mastery. Good luck, and feel free to mention any other bug-related issues.
        > 73, Milt K4OSO
        > A serious bug nut
      • vk4wm
        ... Thanks Fred, the obvious escaped me but I hope I would have thought of it eventually :-) that would work, by holding the post and turning the screw with
        Message 3 of 19 , Jul 9, 2011
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          > * It doesn't work as well, but none the less seems to dome, just hand
          > holding the contact imbedded in a screw still mounted on a post, to a soft
          > polishing wheel.

          Thanks Fred, the obvious escaped me but I hope I would have thought of it eventually :-) that would work, by holding the post and turning the screw with the contact against the mop the post will act very nicely as the pivot point to get a nice circular motion.


          > * Modern solid state rigs are so responsive that they actually try to follow
          > the scratches or bounces of the contacts. Grid block or cathode keying of
          > the older tube radios did not. Large loading capacitor will overcome this
          > aspect.

          of course, been a while since I had to think about that, sensitive they damn well are!

          > * Old dit springs lose their tension, spring, and you can often end
          > problems creating good dits by replacing it. i had a bug (1908) with which
          > the first dit was almost always two dits, split in other wrods, until I
          > replaced the dit spring with a new one after which it made perfect dits.

          My Champion is a 1951 model, now that with help from here and elsewhere I have it adjusted reasonably ok there is no evidence that I can detect that might indicate the u spring is weak.


          > Hope these tid-bits are helpful steepening your experiential curve
          >
          > 73, FD - kt5x

          Steepening my experimental curve !! and I thought I'd just got over the first hill !! but it depends how you mean it, steep up or steep down 8-)

          73 Wade VK4WM
        • vk4wm
          Thanks for the reply Merv, the silver rod would be a bit thin on the ground around here I would imagine, I have a work and play background in precision
          Message 4 of 19 , Jul 9, 2011
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            Thanks for the reply Merv, the silver rod would be a bit thin on the ground around here I would imagine, I have a work and play background in precision machining so I probably would expect to make up contacts out of brass and tip the work end with hard silver solder, that should be a good test of my skills, these days I dont have access to Oxy/acetylene equipment, a micro size jewellers torch would have been perfect for this job, bottle hire is expensive here but I have a MAPP gas torch that gets enough heat to silver solder quite well, ordinary propane would do something this size easily too but the MAPP gives me more control because of the flame profile out of the torch for small items, it would be easy to end up with a molten blob of brass/silver solder alloy! now there's a thought, just melt silver solder into a small metal tube to form a solid rod and machine the outer metal away !! genius! (my xyl reckons that's doubtful)

            I now own another bug, an Australian made Simplex Auto, sadly the flat spring steel blade that has the dot contact on it has fractured near the mounting post and is now too short, it was two inches long, now it is an inch and three quarter long, if I cannot find a length of spring steel the right thickness and length the only method of repair I can see is to rivet an extension onto the end and hope it works ok but I will try hard to find the spring steel, I am ripping apart every redundant printer I have in my shed to see if there is anything resembling what I want.

            73 Wade VK4WM
            SKCC # 5621
            >
            > For contacts I have some silver "rod" and turn it in the lathe to the
            > correct
            > size, almost all bug contacts are press fit into the screw, easy to
            > turn up
            > a batch of contacts and replace them on older bugs. Same with the
            > contacts on the dit spring and the dash lever, grind off the rear and punch
            > off the old contact, then just "rivit" the new ones back in place.
            >
            > 73 Merv K9FD/KH6
            >
            >
            > >
            > >
            > >
            >
          • Pete Ferrand
            Hi Wade: I ve never had a Simplex unfortunately but years ago I hit upon a solution to the spring steel issue that would probably work. Just head for the
            Message 5 of 19 , Jul 9, 2011
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              Hi Wade:

              I've never had a Simplex unfortunately but years ago I hit upon a solution to the spring steel issue that would probably work. Just head for the nearest dollar shop and but a retracting tape measure. The inner core is made of actual spring steel that I've used for a variety of things, including today's project of replacing the mainspring on a 1919 vintage Viboplex. I've used the marked part of the tape for contacts of various projects as well. The fabric measuring tapes won't work :)

              And Rich...I use the same technique of keying a keyer, in this case an AEA CK-1. In addition to the advantages you name, it gives me a uniform sidetone for every transmitter.

              Those without a keyer at hand can just use a relay powered through the key; the relay's inertia will handle the scratchy dits. The slower you send the larger the appropriate relay :)

              -Pete
              WB2QLL
              Somers, WI




              -----Original Message-----
              >From: vk4wm <vk4acb@...>
              >Sent: Jul 9, 2011 9:34 PM
              >To: cw_bugs@yahoogroups.com
              >Subject: Fred: [cw_bugs] Re: Vibroplex contacts
              >
              >Thanks for the reply Merv, the silver rod would be a bit thin on the ground around here I would imagine, I have a work and play background in precision machining so I probably would expect to make up contacts out of brass and tip the work end with hard silver solder, that should be a good test of my skills, these days I dont have access to Oxy/acetylene equipment, a micro size jewellers torch would have been perfect
            • Joseph L Pontek
              I have read about these, but have yet to see a picture of one. I understand that they were on mainly ones made in Georgia that had the thinner bases, but have
              Message 6 of 19 , Aug 30, 2011
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                I have read about these, but have yet to see a picture of one.  I understand that
                they were on mainly ones made in Georgia that had the thinner bases, but have
                read where they were on some of the smaller thick bases as well.

                Anybody know where I might find a picture of one?

                161, Joe, Ronnie(Rowena), Marty & Sidney Pontek
                P.O. Box 280
                Dangriga
                Stann Creek District
                Belize
                (Hopkins Village)
                011-501-503-7346 Belize
                011-501-666-3564 Belize (cellular)
                903-424-4267 (My cellular when in Texas)
                V31JP K8JP VP5/K8JP VP5JP K8JP/VA2
                k8jp@...
                FOC 1743, CWops 876, A1OP
                SKCC 3171T, FISTS 7625 CC 951
                LotW
                Skype: v31joepalooka
                http://www.justanswer.com/lp-1eh8-tool-repair 

              • Andy Dickerson
                Hi Joe, I haven t seen one, but it reminds me-- There will be a special Norcross Day on 8 October to commemorate the original Vibroplex factory location in
                Message 7 of 19 , Aug 30, 2011
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                  Hi Joe,

                  I haven't seen one, but it reminds me--

                  There will be a special "Norcross Day" on 8 October to commemorate the original Vibroplex factory location in Norcross, Georgia (a suburb northeast of Atlanta).  I am not directly involved in that event because my speed isn't good enough (sending or receiving) to get on the air with my Vibroplex yet.  But there will be a special-event station on the air, and the really special treat is that there will be an ORIGINAL Norcross bug on the air, courtesy of KT5X I believe.

                  The North Georgia QRP Club will be the primary sponsor of the event and will supply most of the ops.  The details are still being worked out, but I know that the Norcross bug is now in hand!


                  73,
                  Andy KD4UKW




                  On Tue, Aug 30, 2011 at 5:14 PM, Joseph L Pontek <k8jp@...> wrote:
                   

                  I have read about these, but have yet to see a picture of one.  I understand that
                  they were on mainly ones made in Georgia that had the thinner bases, but have
                  read where they were on some of the smaller thick bases as well.

                  Anybody know where I might find a picture of one?

                  161, Joe, Ronnie(Rowena), Marty & Sidney Pontek
                  P.O. Box 280
                  Dangriga
                  Stann Creek District
                  Belize
                  (Hopkins Village)
                  011-501-503-7346 Belize
                  011-501-666-3564 Belize (cellular)
                  903-424-4267 (My cellular when in Texas)
                  V31JP K8JP VP5/K8JP VP5JP K8JP/VA2
                  k8jp@...
                  FOC 1743, CWops 876, A1OP
                  SKCC 3171T, FISTS 7625 CC 951
                  LotW
                  Skype: v31joepalooka
                  http://www.justanswer.com/lp-1eh8-tool-repair 


                • Joseph L Pontek
                  Thanks, Andy. I had not heard about the event yet, but I will keep an eye out for announcements. I just acquired a 1955 Blue Racer Deluxe, but I won t see it
                  Message 8 of 19 , Aug 30, 2011
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                    Thanks, Andy.

                    I had not heard about the event yet, but I will keep an eye out for announcements.
                    I just acquired a 1955 Blue Racer Deluxe, but I won't see it until I go up to the states
                    in late October or early November and bring it down here.  I have three Originals
                    now and feeling much more comfortable with them.  I still stumble a bit when I switch
                    from the keyer to the bugs, but that is what I am working towards is the ability to switch
                    smoothly between them.

                    Thanks for the heads up and will look forward to hearing from them.  I did send an
                    e-mail to Fred, KT5X, but I think it was blocked by AOL.

                    161, Joe, Ronnie(Rowena), Marty & Sidney Pontek
                    P.O. Box 280
                    Dangriga
                    Stann Creek District
                    Belize
                    (Hopkins Village)
                    011-501-503-7346 Belize
                    011-501-666-3564 Belize (cellular)
                    903-424-4267 (My cellular when in Texas)
                    V31JP K8JP VP5/K8JP VP5JP K8JP/VA2
                    k8jp@...
                    FOC 1743, CWops 876, A1OP
                    SKCC 3171T, FISTS 7625 CC 951
                    LotW
                    Skype: v31joepalooka
                    http://www.justanswer.com/lp-1eh8-tool-repair 

                    On 8/30/2011 3:23 PM, Andy Dickerson wrote: Hi Joe,

                    I haven't seen one, but it reminds me--

                    There will be a special "Norcross Day" on 8 October to commemorate the original Vibroplex factory location in Norcross, Georgia (a suburb northeast of Atlanta).  I am not directly involved in that event because my speed isn't good enough (sending or receiving) to get on the air with my Vibroplex yet.  But there will be a special-event station on the air, and the really special treat is that there will be an ORIGINAL Norcross bug on the air, courtesy of KT5X I believe.

                    The North Georgia QRP Club will be the primary sponsor of the event and will supply most of the ops.  The details are still being worked out, but I know that the Norcross bug is now in hand!


                    73,
                    Andy KD4UKW




                    On Tue, Aug 30, 2011 at 5:14 PM, Joseph L Pontek <k8jp@...> wrote:
                     

                    I have read about these, but have yet to see a picture of one.  I understand that
                    they were on mainly ones made in Georgia that had the thinner bases, but have
                    read where they were on some of the smaller thick bases as well.

                    Anybody know where I might find a picture of one?

                    161, Joe, Ronnie(Rowena), Marty & Sidney Pontek
                    P.O. Box 280
                    Dangriga
                    Stann Creek District
                    Belize
                    (Hopkins Village)
                    011-501-503-7346 Belize
                    011-501-666-3564 Belize (cellular)
                    903-424-4267 (My cellular when in Texas)
                    V31JP K8JP VP5/K8JP VP5JP K8JP/VA2
                    k8jp@...
                    FOC 1743, CWops 876, A1OP
                    SKCC 3171T, FISTS 7625 CC 951
                    LotW
                    Skype: v31joepalooka
                    http://www.justanswer.com/lp-1eh8-tool-repair 


                  • Fred Maas
                    Yes, the Norcross bug of KT5X has arrived home, in Norcross, and is the hand of Dick, K2UFT. Yes, vibroplex made a thin base with an articulated arm. While
                    Message 9 of 19 , Aug 30, 2011
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                      Yes, the Norcross bug of KT5X has arrived home, in Norcross, and is the hand of Dick, K2UFT.
                       
                      Yes, vibroplex made a thin base with an articulated arm.  While some think they were all made in Norcross, they were produced before Norcross, and very few bugs of any kind were produced in Norcross, so, who knows.  Here is a photo of one.
                       
                      73,  Fred - KT5X
                       
                       

                      Thanks, Andy.

                      I had not heard about the event yet, but I will keep an eye out for announcements.
                      I just acquired a 1955 Blue Racer Deluxe, but I won't see it until I go up to the states
                      in late October or early November and bring it down here.  I have three Originals
                      now and feeling much more comfortable with them.  I still stumble a bit when I switch
                      from the keyer to the bugs, but that is what I am working towards is the ability to switch
                      smoothly between them.

                      Thanks for the heads up and will look forward to hearing from them.  I did send an
                      e-mail to Fred, KT5X, but I think it was blocked by AOL.

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