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Re: That Image of a Boat and Half of an Engine

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  • northriver07
    Frank, Great concepts. It would be neat to actually try. perhaps there is a commercially available pop pop boat large enough to retrofit with your scheme. Let
    Message 1 of 2 , Aug 17, 2006
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      Frank,

      Great concepts. It would be neat to actually try. perhaps there is a
      commercially available pop pop boat large enough to retrofit with
      your scheme. Let me know your thoughts. I can help long distance on
      CAD.

      Cheers,

      Pete


      --- In pop-pop-steamboats@yahoogroups.com, Frank McNeill
      <frankmcneilll@...> wrote:
      >
      > The current image shows one half of an engine with
      > four
      > boilers of the folded and coiled round tube type used
      > in Phantom boats, or looped square tube type used by
      > Richard Jenkins in his Popflea.
      > Linked damper plates would be used to direct heat from
      > a burner to either or both of the two boilers that are
      > shown in this sketch. When the plates are in vertical
      > positions (black) they will heat the boilers equally.
      > more or less. When the plates are tilted to to the
      > left (red), they will direct more heat to the boiler
      > on the left, and less heat to the boiler on the right.
      > When the plates are tilted to the right (green), they
      > will direct more heat to the boiler on the right, and
      > less heat to the boiler on the left.
      > The engine half that is not shown would be a mirror
      > image of the one that is shown and would have two
      > boilers and two linked damper plates.
      > Each half could be controlled by a servomechanism that
      > would move two linked damper plates when a stick was
      > moved on a radio control transmitter. The
      > servomechanisms could be set so a boat would go
      > forward when both control sticks were moved forward,
      > and backward when both control sticks were moved
      > backward. Other combinations of stick motion would
      > provide other motions like turning and intermittent
      > forward and backward travel that would cause a boat to
      > gradually move sideways.
      >
      > Best wishes, old Frank
      >
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