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I just read that in the Hella relay catalog (eom) (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Chris B on November 22, 2000 at 21:17:41:

In Reply to: are the bulbs really the problem? posted by Michael McCoy on November 22, 2000 at 21:05:47:


Just thinking... we are looking at better bulbs to compensate for our lack of light. Is it really ghe bulbs that we have now that is causing this lack of light? We might be blaming poor innocent bulbs...what if the bulbs are doing the best with what they are given? What if the voltage that they are given is not what they really want?
Luminous intensity drops considerably when the operating voltage of headlamps is below 100% voltage (13.5 volts).
some simple math can show us this:
95% voltage (12.8 V) gives 83% luminous intensity
90% voltage (12.15 V) gives 67% luminous intensity
85% voltage (11.48 V) gives 53% luminous intensity
so perhaps we should look into the wiring that powers our lights...
comments? thoughts? ideas?

-Michael McCoy





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