HID, why lows only?

[Philip Procter]

With the clear advantages of HID lights, why are only the low beams
HID? I would think high beams would benefit even more.

Philip

 

[y_p_w]

With the clear advantages of HID lights, why are only the low beams
HID? I would think high beams would benefit even more.

Great. Greater blinding power for all. Some countries have
automotive lighting regulations that require that HIDs have
self-leveling capabilities to prevent them from blinding oncoming
traffic. I'd think it high beam HIDs might make some things like
street signs too bright to read at night.

High beams are only on along with low beams, so the combination
is already plenty bright. Besides that - high beams are
typically 65W output.

 

[Yousuf Khan]

With the clear advantages of HID lights, why are only the low beams
HID? I would think high beams would benefit even more.

I'd like to see HID's banned entirely. They're dangerous to oncoming
traffic. Or at least find a way to point them as far downwards as
possible when they're on.

Yousuf Khan

 

[John]

I'd like to see HID's banned entirely. They're dangerous to oncoming

traffic. Or at least find a way to point them as far downwards as possible
when they're on.

I concur. Or how about auto-dimming HID so that when these come right up on
your tail your not blinded in the mirrors (especially the SUVs).

 

[bigjim]

So it's better people rely on awful halogen lights and have accidents
due to poor visibility? HID's do not bother me when oncoming. Look to
the right slightly--didnt you have driver's ed?

 

[JohnO]

So it's better people rely on awful halogen lights and have accidents

due to poor visibility? HID's do not bother me when oncoming. Look to
the right slightly--didnt you have driver's ed?

If you can't see with halogen, IMO you're going too fast. <g>

Looking to the right works well for me, when the oncoming has halogen. The
HID stuff glares very badly, and it's also a color that's harder to 'ignore'
in my peripheral vision.

-John O

 

[y_p_w]

If you can't see with halogen, IMO you're going too fast. <g>

Looking to the right works well for me, when the oncoming has halogen. The
HID stuff glares very badly, and it's also a color that's harder to 'ignore'
in my peripheral vision.

First - there's no particular reason why HIDs have to be that
bluish tinge except maybe for a tiny tendency towards blue because
of the current flowing through xenon gas. I've heard the first
HID prototypes were very close to the color we see from standard
or halogen lamps. Then the marketing types chimed in and said
to the engineers, "Can you change the color so that it looks
different? We might be able to sell people on this if they have
something different to show off as a status symbol."

My main problem with HIDs isn't on flat ground. I live in a
hilly area, and if a car is cresting a hill, the extremely bright
HIDs could be pointing straight at my eyes.

 

[a]

Philip Procter wrote in message

With the clear advantages of HID lights, why are only the low beams
HID? I would think high beams would benefit even more.

Philip

As they are an arc lamp, HID lamps take too long to extinguish - so when you
dip high beams for oncoming traffic, they would remain too bright briefly.
This can be solved by using mechanical means to move the HID bulb or
otherwise shield the light when the lights need to be "dipped", but this is
an expensive solution generally only seen on very upmaket Euro cars.

 

[S.C.]

With the clear advantages of HID lights, why are only the low beams
HID? I would think high beams would benefit even more.

The simple reason is because Hid are slow to turn on and it's near
impossible flashing so all cars havce standard halogen lamps for high beam.
There are now lamps called bi-xenon where a little motor move the mirror
that make the lamp low beam so it became high beam, but there is always
in addition a standard halogen for flashing purpose.

I bag your perdon for my poor english

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[JohnO]

I bag your perdon for my poor english

Your English is just fine, and better than many yahoos who speak it
natively.

-John O

 

[R Sweeney]

With the clear advantages of HID lights, why are only the low beams
HID? I would think high beams would benefit even more.

Philip

discharge lamps do not like to be turned on and off quickly - as you do with
high beams

 

[Edward Hayes]

To save the eyes of oncoming drivers.

discharge lamps do not like to be turned on and off quickly - as you
do with high beams