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Re: [cw_bugs] Varispeed from Vibroplex

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  • 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 1 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 2 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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