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I built a new version of my clock tower building for a recent train layout with
NELUG. The clock mechanism is built from 100% genuine
LEGO and is driven by a 9V (RIS-style) motor powered from a train transformer at
a bare minimum voltage. I use a clutch gear in the drivetrain to allow the time
on all 4 faces to be set simply by rotating one of the minute hands, even while
the clock is running. Because the gearing is improved, I was able to shorten
the pendulum so that it fits entirely inside the building with no table cutout
needed.
As with the previous version of
this building, the tower has four clock faces, geared together at the
minute-hand axle. Otherwise, this is yet-another complete redesign of the rest
of the mechanism.
The tower has an observation deck consisting of four balconies near the top.
Inside this (removeable) section of the tower is a stand that can hold four
minifigs which rotate slowly from one window to the next every 22.5 minutes. I
used magnets to attach the figs so that they can easily be swapped out while the
clock is running.
Learning from my past mistakes, this building can be taken apart in layers, and
the clock mechanism can be easily removed from the tower for maintenance.
Related posts:
My first Clock Tower on LUGNET
My Electric Granddaughter Clock on
LUGNET
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