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re: mcfl energy myths
24 jun 2001
anthony matonak wrote:
>> limelights are sufficient for navigation with even less energy,
>> 20 mw, ie about 2 cents per year. [0.020x24x365 = 175 wh/year.]
>in my experience they do not cast much more light than that glow
>in the dark stuff does.
never tried the glow in the dark stuff.
>that is, they'll light up enough for you to see where they are,
>and maybe a couple square feet in front of them, but certainly
>not an entire room. if you wanted to use these for hazard
>illumination for an entire room you would need a bunch of them...
mine dimly light up about 6' away, placed to shine along a white
surface, eg up a wall. i use about 6 to ensure i can always see
at least 2 for triangulation in the dark.
>considering how expensive these things are i'm not sure that the
>power savings would outweigh their initial costs.
they are getting cheaper, $6.99 in 3-packs at home depot(?)
a full-time 4-watt bulb uses about $4/year at 10 cents/kwh.
nick
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