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Re: kinetic power idea...

Strong*Arms* don't use much power :>

Atoms has finally been released!
www.doldev.freeserve.co.uk

----- Original Message ----- 
From: Charles J Knight <>
To: <>
Cc: <>
Sent: 30 July 1999 08:07
Subject: Re: kinetic power idea...

> >How about a coil with a core inside hooked to a spring, strapped to 
> >the leg,
> >so that the core bounced up and down while you walked?
> 
> You've just decscribed a variant on the old "self-winding" watch.  In
> fact, I think it was Seiko that actually produced an *electrical* watch
> that was powered this way.  The flywheel was magnetic, and there
> was a coil which translated the motion of the magnets into electricity.
> 
> >Is there any way that this could generate enough power to run a 
> >wearable, or
> >at least extend run-time?  Prolly not...
> 
> It depends on just how little power it requires, and what you call a
> wearable computer.  My Timex Datalink watch probably qualifies,
> and has been running on a button cell for over 2 years.  It could
> *definitely* generate this kind of power on the fly, without noticable
> stress on the wearer.
> 
> A larger one may or may not be practical -- I don't think anyone
> has ever constructed one quite like you propose.  Tesla designed 
> a generator years ago which was little more than a magnetic piston 
> reciprocating back and forth within a coil.  Utter simplicity -- it's 
> documented on the web, on the sumeria server, I believe.  It might 
> be a good starting point.
> 
>      -- Chuck Knight
> 
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