Tulip Pendulum Kinetic Sculpture

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  • This is a kinetic sculpture that I designed and built at COSMOS at UCSD.  Given that the escapement wheel had to have the sun shape in order for the revolutions to work, I wanted to somehow incorporate the “sun” into the overall design of the kinetic sculpture.  I decided to go with a tulip design for the pendulum so that as both the escapement wheel and pendulum moved, it would look as if a sun were “giving off rays” and a tulip were enacting photosynthesis by swinging back and forth.
  • AutoCAD drawing of my pendulum.
  • First I drew the escapement wheel using AutoCAD. The precision of the escapement wheel determines how properly energy will be transferred from the wheel to the pendulum. 
    Then, I drew out rough sketches of ideas for pendulums on paper. I decided to go with a tulip design for the pendulum to match the sun-like escapement wheel.
    Next, I drew the pendulum on AutoCAD. I made sure to include holes for the bolts and created separate layers for the outline of the pendulum, the etchings on the flowers and leaves, and the holes. 
    After saving the AutoCAD drawings as DXF files, which I would later use for the LASERcamm to cut out my pendulum, I calculated the timing of the pendulum using Excel and Working Model to help detect any errors or problems that may occur.
  • A simulation of my pendulum on Working Model.
  • Subsequently, I imported the DXL files of my AutoCAD drawings of my esapement wheel and pendulum into the LASERcamm software to cut out my pieces. 

    After the pieces were cut, I painted my clock to cover up the orange acrylic with pink petals and green leaves.
    The last step was to assemble the clock, which I did by following the instructions that they provided for us. A full report of creating my Tulip Pendulum Clock Kinetic Sculpture can be found here: http://www.maeprojects.ucsd.edu/cosmos/summer2008/team4/Joyce/joyceclock.html
  • My final Pendulum Clock Kinetic Sculpture.