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  • Wimshurst machine construction

    Natasha's Wimshurst static electricity generating machine science fair project. These photos document some parts of the construction process (which took many weeks to design, build, test, fix, redesign, and document). More than once, small problems make it seem like the machine would never work. Small sharp points that caused electrical leakage (corona discharge) were the bane of the project. Finally, she got some good serious-but-harmless sparks just days before it was due.


    You can also see the
    lab report with very detailed construction details or
    even
    get it as a MS Word file.



    (CLICK THE PICTURES FOR AN ENLARGED VIEW.)

    working on the machine early stage
    working on the machine early stage

    Early construction phase of Natasha's Wimshurst machine
    Early construction phase of Natasha's Wimshurst machine

    building the frame for the machine
    building the frame for the machine

    A.partial-construction.jpg
    A.partial-construction.jpg

    IMG_2724.JPG
    IMG_2724.JPG

    IMG_2725.JPG
    IMG_2725.JPG

    IMG_2727.JPG
    IMG_2727.JPG

    IMG_2728.JPG
    IMG_2728.JPG

    IMG_2729.JPG
    IMG_2729.JPG

    IMG_2731.JPG
    IMG_2731.JPG

    IMG_2732.JPG
    IMG_2732.JPG

    IMG_2733.JPG
    IMG_2733.JPG

    IMG_2735.JPG
    IMG_2735.JPG

    IMG_2738.JPG
    IMG_2738.JPG

    IMG_2739.JPG
    IMG_2739.JPG

    IMG_2740.JPG
    IMG_2740.JPG

    IMG_2743.JPG
    IMG_2743.JPG

    IMG_2744.JPG
    IMG_2744.JPG

    IMG_2745.JPG
    IMG_2745.JPG

    IMG_2747.JPG
    IMG_2747.JPG

    IMG_2900.JPG
    IMG_2900.JPG

    SparkGapTestSchematic3.jpg
    SparkGapTestSchematic3.jpg

    Wimhurst_Machine.gif
    Wimhurst_Machine.gif

    one disk with all sectors glued in place
    one disk with all sectors glued in place

    Wimshurt machine with parts labeled
    Wimshurt machine with parts labeled

    caution-high-voltage.gif
    caution-high-voltage.gif

    diagram.jpg
    diagram.jpg

    Finished machine (without motor drive)
    Finished machine (without motor drive)

    eradie10.gif
    eradie10.gif

    y. Final calculations for the working machine
    y. Final calculations for the working machine

    graetz18.jpg
    graetz18.jpg

    high_voltage_warning.png
    high_voltage_warning.png

    highvoltage.jpg
    highvoltage.jpg

    james_wimshurst.jpg
    james_wimshurst.jpg

    mark where the sectors go
    mark where the sectors go

    noparks_sparks.jpg
    noparks_sparks.jpg

    Non-sparking and sparking electrodes
    Non-sparking and sparking electrodes

    original_wimshurst.jpg
    original_wimshurst.jpg

    testing the disk setup
    testing the disk setup

    Diagram showing principle of Wimshurst influence machine
    Diagram showing principle of Wimshurst influence machine

    closeup view of sectors
    closeup view of sectors

    Side view of working Wimsherst machine
    Side view of working Wimsherst machine

    sparks.jpg
    sparks.jpg

    sparks2.jpg
    sparks2.jpg

    sparks3-IMG_3238.jpg
    sparks3-IMG_3238.jpg

    Finished machine (manually driven)
    Finished machine (manually driven)

    wimsch.gif
    wimsch.gif

    wimshd.jpg
    wimshd.jpg

    wimsherst-annotated-details.jpg
    wimsherst-annotated-details.jpg

    wimshurst-measure.jpg
    wimshurst-measure.jpg

    Measuing for the final writeup
    Measuing for the final writeup

    sparks (2.5 sec, about 4 sparks, about 1cm)
    sparks (2.5 sec, about 4 sparks, about 1cm)

    z.sparks3-IMG_3238.jpg
    z.sparks3-IMG_3238.jpg

    53 Photos 58 objects in folder