In article <qipwh.20977$Mx4.6801@trndny07>,
Stephen Harding <
[email protected]> writes:
> Chalo wrote:
>
>> As the performance of LEDs rises to the point that 2-4 watts really
>> does produce enough light for a satisfactory headlamp, there may be a
>> resurgence in the use of sidewall generators and dynohubs. Active
>> power management and ultracapacitors for standlight capability would
>> make such generators more useful than ever before.
>
> I'm currently using a B&M generator with a B&M 6V/3W
> headlight and am very pleased with the lighting quality
> on road or bike path. I've also run the light at 2.4W
> with little difference in lighting capacity.
>
> Since they have a model with a built in LED for standlight
> purposes, it seems we're already where you think we might
> go!
Nevertheless, I for one do like the active power management
idea.
I think I've posted this regulator idea here before, but
what the heck, I'll do it again:
http://www.nscl.msu.edu/~daniel/regulator.html
The generator charges a rechargable battery, which
powers the lights.
With such a setup, the regular lights /are/ the standlights,
with a much longer duration than the usual little LED
standlights that shine for a few tens of seconds.
This could be particularly appreciated in foggy conditions
where penlight-battery lights don't quite cut the mustard,
but generator lights are at least adequate.
Of course in really, ~Really~ thick fog, one would want
something brighter than 3 watts can illuminate. Or
just stay off the road altogether.
cheers,
Tom
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