L
Luhan
Guest
Jim Yanik wrote:
> "Luhan" <[email protected]> wrote in
> news:[email protected]:
>
> >
> > Ignoramus16112 wrote:
> >> For my bike (nothing special, a nice simple road bike bought at a
> >> garage sale) I would like to add a bicycle generator and LED lights.
> >>
> >> I assume that output voltage of these generators varies with
> >> speed. There are some on sale on ebay for not too much, 6v or 12v
> >> models, most are 6 watts.
> >>
> >> I want to do it in some nice way, such that
> >>
> >> 1) the LEDs would work across the range of speeds and be protected
> >> from overvoltages and such
> >>
> >> 2) Most power would not be lost on some current limiting resistors,
> >> but instead would go into LEDs. I think that 6W spent on LEDs would
> >> give me a lot of light.
> >>
> >> If there are products like that on the market already, I do not want
> >> to "reinvent the wheel" and I would rather buy one, but I am not sure
> >> if such a thing is available.
> >>
> >> I would prefer LEDs to regular incandescent bulbs for many very
> >> obvious reasons (more light and more reliability).
> >>
> >> I am moderately handy and built some electronic things before, like a
> >> control and inverter for a DC welder.
> >>
> >> Any ideas?
> >>
> >> i
> >
> > I have a 6 volt, 4 amp hour gel cell on my bike along with a set of 8,
> > 125,000 mcd white LEDs. The total draw is about 200ma, and I only need
> > to rechage the battery once a month.
> >
> > Luhan
> >
> >
>
> Do you have a part number and source for those 125K MCD LEDs?
> Isn't that more than a Luxeon LED?
>
> Their efficiency seems incredible.
>
> --
> Jim Yanik
> jyanik
> at
> kua.net
Here is the supplier...
http://stores.ebay.com/HKJE-Led-Lamp-Center
Luhan
> "Luhan" <[email protected]> wrote in
> news:[email protected]:
>
> >
> > Ignoramus16112 wrote:
> >> For my bike (nothing special, a nice simple road bike bought at a
> >> garage sale) I would like to add a bicycle generator and LED lights.
> >>
> >> I assume that output voltage of these generators varies with
> >> speed. There are some on sale on ebay for not too much, 6v or 12v
> >> models, most are 6 watts.
> >>
> >> I want to do it in some nice way, such that
> >>
> >> 1) the LEDs would work across the range of speeds and be protected
> >> from overvoltages and such
> >>
> >> 2) Most power would not be lost on some current limiting resistors,
> >> but instead would go into LEDs. I think that 6W spent on LEDs would
> >> give me a lot of light.
> >>
> >> If there are products like that on the market already, I do not want
> >> to "reinvent the wheel" and I would rather buy one, but I am not sure
> >> if such a thing is available.
> >>
> >> I would prefer LEDs to regular incandescent bulbs for many very
> >> obvious reasons (more light and more reliability).
> >>
> >> I am moderately handy and built some electronic things before, like a
> >> control and inverter for a DC welder.
> >>
> >> Any ideas?
> >>
> >> i
> >
> > I have a 6 volt, 4 amp hour gel cell on my bike along with a set of 8,
> > 125,000 mcd white LEDs. The total draw is about 200ma, and I only need
> > to rechage the battery once a month.
> >
> > Luhan
> >
> >
>
> Do you have a part number and source for those 125K MCD LEDs?
> Isn't that more than a Luxeon LED?
>
> Their efficiency seems incredible.
>
> --
> Jim Yanik
> jyanik
> at
> kua.net
Here is the supplier...
http://stores.ebay.com/HKJE-Led-Lamp-Center
Luhan