Re: That Image of a Boat and Half of an Engine
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
--- In email@example.com, Frank McNeill
> The current image shows one half of an engine with
> 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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