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Varispeed from Vibroplex

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  • David J. Ring, Jr.
    Someone recently posted a picture to the pictures section of their one and only bug - a Presentation with an adjustable mainspring. One of the photos shows
    Message 1 of 4 , Oct 22, 2006
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      Someone recently posted a picture to the pictures section of their "one and only bug" - a Presentation with an adjustable mainspring.

      One of the photos shows the attached (newer) Varispeed at the lower part of the vibrating rod.

      What genius!

      The placement is perfect, but does the "height" of the Varispeed alow it to swivel backwards?

      If not - this should be changed and this should be the intended mounting instructions.

      If a Varispeed could be mounted so, and swiveled, it would be the best thing since sliced bread.

      73

      David N1EA


      [Non-text portions of this message have been removed]
    • k4oso@aol.com
      In a message dated 10/22/2006 3:06:40 PM Eastern Daylight Time, n1ea@arrl.net ... David, I have a Varispeed on my old Presentation with adjustable mainspring.
      Message 2 of 4 , Oct 22, 2006
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        In a message dated 10/22/2006 3:06:40 PM Eastern Daylight Time, n1ea@...
        writes:

        > Someone recently posted a picture to the pictures section of their "one and
        > only bug" - a Presentation with an adjustable mainspring.
        >
        > One of the photos shows the attached (newer) Varispeed at the lower part of
        > the vibrating rod.
        >
        > What genius!
        >
        > The placement is perfect, but does the "height" of the Varispeed alow it to
        > swivel backwards?
        >
        > If not - this should be changed and this should be the intended mounting
        > instructions.
        >
        > If a Varispeed could be mounted so, and swiveled, it would be the best thing
        > since sliced bread.
        >
        > 73
        >
        > David N1EA
        >

        David,
        I have a Varispeed on my old Presentation with adjustable mainspring. And,
        indeed, it goes both ways, so if its mounted in the middle of the pendulum, you
        can swing it away from the op to slow it down, and swing it toward the op to
        speed it up. The mounting position pretty much determines the speed range.
        The only limiter for slow speed is the potition of the damper which will halt
        the "away" swing.
        vy 73 David,
        Milt k4oso


        [Non-text portions of this message have been removed]
      • Tim Soxman
        BTW, Vibroplex is now carrying a Varispeed that will fit the Lightning Bug, Champ, and Zephyr flat pendulums. Tim W3ZVT ... [Non-text portions of this message
        Message 3 of 4 , Oct 22, 2006
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          BTW, Vibroplex is now carrying a Varispeed that will fit the Lightning
          Bug, Champ, and Zephyr flat pendulums.
          Tim W3ZVT

          k4oso@... wrote:

          > In a message dated 10/22/2006 3:06:40 PM Eastern Daylight Time,
          > n1ea@... <mailto:n1ea%40arrl.net>
          > writes:
          >
          > > Someone recently posted a picture to the pictures section of their
          > "one and
          > > only bug" - a Presentation with an adjustable mainspring.
          > >
          > > One of the photos shows the attached (newer) Varispeed at the lower
          > part of
          > > the vibrating rod.
          > >
          > > What genius!
          > >
          > > The placement is perfect, but does the "height" of the Varispeed
          > alow it to
          > > swivel backwards?
          > >
          > > If not - this should be changed and this should be the intended
          > mounting
          > > instructions.
          > >
          > > If a Varispeed could be mounted so, and swiveled, it would be the
          > best thing
          > > since sliced bread.
          > >
          > > 73
          > >
          > > David N1EA
          > >
          >
          > David,
          > I have a Varispeed on my old Presentation with adjustable mainspring.
          > And,
          > indeed, it goes both ways, so if its mounted in the middle of the
          > pendulum, you
          > can swing it away from the op to slow it down, and swing it toward the
          > op to
          > speed it up. The mounting position pretty much determines the speed
          > range.
          > The only limiter for slow speed is the potition of the damper which
          > will halt
          > the "away" swing.
          > vy 73 David,
          > Milt k4oso
          >
          > [Non-text portions of this message have been removed]
          >
          >



          [Non-text portions of this message have been removed]
        • Earl Needham
          ... It s possible to mount the VariSpeed farther out on the rod, so that the entire weight is beyond the damper, but I can t imagine doing that -- it s pretty
          Message 4 of 4 , Oct 22, 2006
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            At 02:08 PM 10/22/2006, k4oso@... wrote:

            >David,
            >I have a Varispeed on my old Presentation with adjustable mainspring. And,
            >indeed, it goes both ways, so if its mounted in the middle of the
            >pendulum, you
            >can swing it away from the op to slow it down, and swing it toward the op to
            >speed it up. The mounting position pretty much determines the speed range.
            >The only limiter for slow speed is the potition of the damper which will halt
            >the "away" swing.
            >vy 73 David,
            >Milt k4oso

            It's possible to mount the VariSpeed farther out on the rod,
            so that the entire weight is beyond the damper, but I can't imagine
            doing that -- it's pretty slow already as it is, perhaps 10-12 WPM or
            so. Swiveling it toward the finger pieces speeds it up more than I
            want to think about, and that's with both a small weight AND a large
            weight on it.

            On second thought, maybe I DO need it slower -- 10 or so is
            enough to make my brain hurt trying to copy it! <G>

            Earl

            KD5XB
            Clovis, New Mexico DM84jk
            http://groups.yahoo.com/group/cw_bugs
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