Re: Another DIY Light Question


RonSonic wrote:
>
> Soldering regular 18ga zip cord to the pins of the lamp works fine. They are a
> little hard to solder since the alloy was designed more for it's thermal
> characteristics relative to glass than solderability, but scrape it clean, use a
> flux and you'll be fine.

What I did, IIRC, was crimp brass tubing of the proper size onto the
end of each wire in a zip cord. These tubes were a simple friction fit
onto each pin of the MR-11 bulb. Get the tube at a hobby shop. If
necessary, pinch it slightly for a friction fit on the pins.

I don't remember now what the wattage of the bulb was, but it was
probably 10 or 12 watts, and probably dichromic. The bulb was mounted
in a small aluminum can. I used that lamp (on and off) for perhaps a
couple years with no problems, until I got tired of playing with
rechargeable lights.

The only problem I had was that the bulb came with no cover, so I cut
one out of thin clear plastic - a flexible kind that comes as packaging
for lots of consumer goods. It withstood the heat for a while, but
eventually distorted and darkened. I don't recall if the problem came
on a hot day, or by running the light while stationary, or what. But
if I were to begin using that light again, I'd either run the bulb
bare, or cut my own glass shield.

- Frank Krygowski

.

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