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Paesi
Reinvention of the wheel ? (Upd. Still around...)
Carrick Watson found this photo of an.., ahh, whatdowecallit? Anyway, it was named "The Dynasphere" which was an invention of Dr. J. A. Purves in the early 1930s. Mr. Purves claimed it had great advantages over the ordinary car for work over rough ground. The 10ft wheel was driven by a small petrol motor which, with the drivers seat and shield, runs on inner rails and remains at the bottom. Steering is done by a system of balancing... like on a skateboard. In this form the wheel was capable of 30 mph! We truly wonder what it would be like to drive it. Does the wheel survive, somewhere, somehow?
Pubblicato:
martedì marzo 15th, 2011
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Commenti
David Barker
16 Marzo 2011, 09:24
Sconosciuto
16 Marzo 2011, 08:26
Watch it working here:
http://www.youtube.com/watch?v=CWmeTWPN5o4&feature=related
Per saperne di più
http://www.youtube.com/watch?v=CWmeTWPN5o4&feature=related
Sconosciuto
16 Marzo 2011, 07:38
There is a guy somewhere in America who builts new ones, mainly with Harley Davidson engines that run also on rails and is connected to the seat of the driver. Steering is with handlebars and goes well, but braking is difficult because the driver flies with the engine up and down untill it stops. He even made one with a V8. There was a discovery program in which I saw it running and actually going. By the way he is wearing shoes with steel plates to give some extra help with braking and balancing.
Per saperne di più
Sconosciuto
15 Marzo 2011, 23:23
Check out this link.
http://www.aqpl43.dsl.pipex.com/MUSEUM/TRANSPORT/motorwhl/motorwhl2.htm
Per saperne di più
http://www.aqpl43.dsl.pipex.com/MUSEUM/TRANSPORT/motorwhl/motorwhl2.htm
Sconosciuto
15 Marzo 2011, 23:16
There is some film of this vehicle on U-tube - search under 'monowheel' (where you will also find various modern interpretations on the theme) or try here:
http://www.youtube.com/watch?v=CWmeTWPN5o4
Per saperne di più
http://www.youtube.com/watch?v=CWmeTWPN5o4
I saw him demomstrate it at one of our meetings. Remarkable!
David Barker.