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Re: [T3] HID lights for your 'back?


Wow, you are an angry man. Personally, while I agree that those lights are
annoying at times, I think driving our cars would be a little boring if we
couldn't do these kinds of things to our cars.
-Rich
----- Original Message -----
From: "Jacob Hoffman" <cobyhoff@hotmail.com>
To: <type3@vwtype3.org>
Sent: Wednesday, August 07, 2002 10:21 AM
Subject: Re: [T3] HID lights for your 'back?


> I hate those things!  Freaking hondas with their fast and/or furious
> drivers.  Do you think the typical giant aluminum wing toting front wheel
> drive exhaust tip moron knows how to aim their new HID's?  Of course they
> do.  They know how to aim them right into oncoming traffic.  Banish them
> all!  Down with glare!
>
> Jacob Hoffman
> '71 FI AT Squareback
> '76 Westfalia
>
>
> >From: "incynr8" <incynr8@lawngnome.org>
> >Reply-To: <type3@vwtype3.org>
> >To: <type3@vwtype3.org>
> >Subject: Re: [T3] HID lights for your 'back?
> >Date: Wed, 7 Aug 2002 09:07:14 -0400
> >
> >From:
> >
> >http://lighting.mbz.org/faq/#overwattage
> >
> >The marketing types like to brag about how the light color of HID
> >headlamps has been "specially tuned to mimic the sun". In actuality, the
> >light spectrum has *not* been "tuned" to anything, aside from tweaking
> >the gas and evaporated-salts mix to conform to regulatory definitions of
> >"white light". The bluish tint is a side effect of using an electrical
> >arc as the light source. This color is quite good to drive behind, but
> >is vastly more likely to cause glare to oncoming drivers
> >(overstimulation of Retinal Purple in the human eye by this very color
> >range absolutely FOOZLES night vision for a long time after relatively
> >brief exposure). In fact, it was law in France for many years that
> >headlamps had to produce light with substantially LESS output in the
> >blue frequency range where HID lights are particularly strong,
> >specifically to reduce glare to oncoming drivers.
> >
> >A backlash has already started in Europe, where drivers are complaining
> >about being blinded by BMW's overloaded with a trunk full of beer.
> >
> >Unlike US and Canadian regulators, European regulators recognize the
> >danger presented by excessive headlamp glare, and so European cars with
> >HID lamps MUST have dynamic headlamp levelling. On-the-fly headlamp
> >vertical aim adjustment has been required by European directives for
> >quite some time now, but dashboard dial control of the vertical aim has
> >been acceptable. No more! Recent European regulations require that the
> >headlamp levelling of HID-equipped cars be linked to the suspension
> >system of the car so the lamps don't glare as much to oncoming traffic
> >when the rear of the car is loaded-down or the car is heading up a small
> >hill.
> >
> >
> >
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>
>
>
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