Lighting that didn't work! - K-Bikes.com - Excellence in Motion
 
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post #1 of 1 (permalink) Old Aug 5th, 2008, 9:53 pm Thread Starter
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Join Date: Jun 2003
Location: Baltimore, MD, USA
Posts: 281
Angry Lighting that didn't work!

Over the past couple of months I've been pondering the merits and ways of acheiving augmented lighting. My actual need for additional lighting occurs about once a year, hence I simply can't justify big bucks on add on lights. So I decided to see if I could find a source for hi wattage bulbs to replace the 55w PIAA bulbs I have in the high beam circuit on my K12S. I found "super white" 100w bulbs for $9.98 so I ordered a pair. They arrived today and I anxiously awaited the waining light that comes with the evening. Replacement is a two minute affair. I only replaced one of the two bulbs to make the comparison simpler. Next step was to ascertain just how much light I might have gained. Well, the light output looked almost identical to the naked eye, whether looking at the wall or directly into the lights. Okay, how can we measure the light output a bit more quantitatively? How about the light meter contained within my DSLR. Strangley, the camera calculated the same exposure for both of the lights. Then my wife came out to check it out. Without telling her which was the "brighter" of the two bulbs, she picked the PIAA! The only discernable difference in lumen output was slighter "bluer" light from the 100w bulb. During all this, and we aren't talking too much time burning the lights while in the garage, I started to smell overheating insulation. Nothing burning was visible, but since there wasn't any noticeable difference in output, the PIAA bulb went back in. So as far as I'm concerned, the PIAA claim of 110w output from a 55w bulb is believable. YMMV!

Jim
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