Reply-To: "fred bartoli"
From: "fred bartoli"
References: <3DDD89FC.42011D07@webaccess.net> <email@example.com> <firstname.lastname@example.org>
Subject: Re: How to build a windup generator?
Date: Fri, 22 Nov 2002 15:31:29 +0100
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NNTP-Posting-Date: 22 Nov 2002 15:29:08 MET
John Hall a écrit dans le message :
> On Fri, 22 Nov 2002 06:38:23 +0000 (GMT), Tony Williams
> > The radio is called the Baygen. His prototype was
> > built from something like an old windup gramophone.
> > When the project obtained funding they were able to
> > pay for the research and the final product has a
> > far greater power storage.
> Part of their funding strategy is to sell them also in the 'first
> world' (where they are a novelty/luxury item) at higher prices, which
> subsidises their sale at a very low price in Africa, where they are a
> necessity item. I bought two, and also their wind-up lantern.
I very like that. This should be done more than often.
> Grundig also has a wind-up radio, but the crank drives the generator
> directly, and stores the energy in an NiMH battery.
> Sony also, IIRC, but I don't know their storage strategy.
On the shelf ?
> John W Hall
> Calgary, Alberta, Canada.
> "Helping People Prosper in the Information Age"