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Thread: 1932 Purves Dynasphere - GIF

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    Altair's Avatar
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    1932 Purves Dynasphere - GIF

    The Purves Dynasphere was a monowheel vehicle designed and built by British engineer John Purves.


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    baja (05-27-2020), Tonyg (05-27-2020)

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    Supporting Member jdurand's Avatar
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    jdurand's Tools
    stopping quickly could be exciting

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    Supporting Member Duke_of_URL's Avatar
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    The gyroscopic torque encountered while making a high speed turn must have proved as challenging as maintaining the field of view.

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    Where can I try that? Looks like fun.

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    Supporting Member Hoosiersmoker's Avatar
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    One bearing fails and locks up and he'd go spinning right with the rest of the wheel! Looks like it would be a pretty dirty ride especially on the beach.

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    Supporting Member IntheGroove's Avatar
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    IntheGroove's Tools
    The 1930's had some interesting inventions...
    1932 Purves Dynasphere - GIF-dyno_wheel.jpg


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