[OSM-talk] Never run out of batteries again!

Tom Hughes tom at compton.nu
Thu Feb 21 10:29:05 GMT 2008


In message <Pine.GSO.4.51L2.0802211110490.11062 at nema.lysator.liu.se>
        Jonas Svensson <jonass at lysator.liu.se> wrote:

> On Thu, 21 Feb 2008, Andy Robinson (blackadder) wrote:
>
>> I remember those rim running dynamos on my bike as a kid. I hated them
>> because they made a load of noise and you could really feel the resistance.
>> It amazes me that nobody has come up with a simpler and more efficient
>> solution.
>
> There are better solutions, at least for the bikes headlight. I do not
> know what the name is in english but the generator is mounted in the
> center of the wheel. Can't feel the resistance and it won't clog up by snow.
> See for example
> <http://webhotel.uni2.dk/dcf/cyklist/cyk20005/20005-07.htm> (in Danish).

Usually called a "hub dynamo" in english I think. Obviously much
harder to retrofit than a rim dynamo however ;-)

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/




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