View Single Post
Old 06-25-2002, 02:32 AM
ke6dcj ke6dcj is offline
Registered User
Join Date: Apr 1999
Posts: 2,632
A must read is Dan Stern's site on lighting:

Specifically his articles on "blue bulbs":

and the myth of PIAA "SuperWhites":

Please also read his whitepaper to the NHTSA, "Where does the glare come from".

The PDF is here:

Pay close attention to pages 43-45 of 66 pages total. In short, HID retrofits into a headlamp designed for a tungsten/halogen lamp might yield *brighter* light, but too much glare. HID's are an "arc" and as such, need headlamp reflectors/optics optimized for an "arc".

:-) neil
1988 360TE AMG
1993 500E

Last edited by ke6dcj; 06-25-2002 at 11:42 AM.
Reply With Quote