Edmund Scientific (if they are still around) is a good supplier of
high silica optical flats which will serve here for "lenses"

yodar
--- rd_hobbies99 <subscriptions33@...> wrote:

> Dont't forget that the key term in this project is the "$10." If
> you go
> with a Xenon bulb and a pyrex lens you will probably be approaching
>
> what you would pay for a cheap "real" police flashlight from a
> discount
> catalog (eg, Cheapr Thn Dirt) and/or on sale.
>
> This is a DIY mod project so there are no "rules" about what
> replacement parts you use.
>
> You are going from 3 volts of battery power to 9 volts and probably
>
> getting a good bump in milliamps. So if you stick with a
> replacement
> Krypton bulb of the same volts and milliamps you will get the
> greatest
> increase in brightness at the expense of bulb life--and the
> greatest
> chance of melting the original plastic lens. Higher voltage bulbs
> will
> yield less brightness and greater bulb life.
>
> As for a replacement lens--lexan, mica, glass, or pyrex, that could
> be
> a real budget (could easily double the price of the project) and
> time
> (finding and/or modifying a replacment) killer. A website like
> brightguy.com has accessory lenses and a google search is sure to
> eat
> up some serious time. Then there is the challange of getting a
> replacement lens of the correct diameter and thickness or buying a
> larger lens and grinding it down.
>
> You pay for your kicks.
>
> ---------------------------
>
> --- In Practical_Carbine@yahoogroups.com, "Tom N."
> <bikercarolinaveteran@...> wrote:
> >
> >
> > which bulb do we use and where can a glass lens be found??
> >
>
>
>






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