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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Light Bulb Question.... posted by Todd Krieger on September 21, 2004 at 21:42:31:
Two things:Those old carbon filament bulbs do not have the broad color spectrum of today's modern light bulbs, they were definitely of a yellowish cast. This is because they operated at a much lower temperature. The lower operating temperature helped the lifespan considerably. They also did not put out as much light. Today's "long life" bulbs are invariably 130V rated, and do not burn as bright (look at the lumens output), or as white as "normal" bulbs.
The other thing was, those carbon filaments were not very good with vibration, they would break rather easily when subjected to vibrations. The tungsten filaments are much better at resisting damage from vibration, despite the higher operating temperatures.
Just as with many engineering issues, the inevitable compromises, just so much area under the curve to work with, squish it this way, squish it that way.....
Jon Risch
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Follow Ups
- Re: Light Bulb Question.... - Jon Risch 19:29:46 09/22/04 (0)
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