Fwd: Lighting stuff (Daniel Stern)

[dswalterwi at gmail.com (Don Walter)]

Jeff,
I think this is what you were referring to:
http://www.danielsternlighting.com

---------- Forwarded message ----------
From: Dick Y Wong <sailingfc@dslextreme.com>
Date: Dec 12, 2005 1:55 AM
Subject: Lighting stuff (WAS (RE: Jeeze guys.))
To: scirocco-l@scirocco.org

Okay here goes...

I've been surfing around for lighting stuff and came across Daniel Stern
Lighting's website.  I emailed him about the clear headlight covers he has
listed (which are the same ones that I've been using for over 20 years) and
he responded with lots of other info.  I've cut & pasted his info below for
your reading enjoyment.  There is also lot of good reading on his website,
but some of you probably already knew that.

-Dick-
78 Scirocco
Original Owner
95 Passat GLX
Second Owner

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
On Sun, 11 Dec 2005, Dick Y Wong wrote:

> Thanks for replying so quickly and on a Sunday at that.
>
> This sounds exactly like the product I have now.  I purchased my current
> set some 20+ years ago and have not been able to find any since.  They
> are on my '78 VW Scirocco, covering Cibie 5.75" H4 and H1 lamps. I have
> included a picture.

Yep! Those are the very same ones.

> I am an email-list member of an organization called Scirocco.org.
> There may be some interest by the membership since many members have
> pre-82 Sciroccos with the quad headlights and many have aftermarket
> lamps.

See below for temptation.

> How much are a set of 4?

$21. Ordering instructions are below the temptation.

Can also make your brake and turn signal lamps 40% brighter for
$6.10/bulb, your reversing lamps 100% brighter for $7.20/bulb, and your
front and rear sidemarker lights 40% brighter for $3.98/bulb.

There is also a zero-dollar easy modification you can make to the front
sidemarker light wiring so that the front sidemarker lights also act as
side turn signal flashers, see
http://www.danielsternlighting.com/tech/markerflash/markerflash.html

Now, the temptation: New Cibie CSR 5-3/4" round headlamps beat the snot
out of the old H4s.

Spendy lamps, but give absolutely phenomenal performance.  I've put up the
isocandela (beam performance) diagrams for sealed beam, conventional H4
and CSR lamps. Sorry, it's a wide page, you'll have to widen your browser
window.

http://dastern.torque.net/Photometry/575.html

If you're not familiar with isocandela diagrams, these will look like
random squiggles and lines. Think of it as a topographic or "contour" map
of the correctly-aimed beam pattern. Each differently-colored line
represents the threshold of a particular intensity level, with the color
legend located to the right of the isocandela diagram. The diagram is
plotted on a chart calibrated in degrees. Straight ahead is represented by
(0,0), that is, zero degrees up-down and zero degrees left-right.

To get a mental approximation of the units and amounts under discussion
here:

Parking lamp: About 60 to 100 candela
Front turn signal: About 500 candela
Glaring high-beam Daytime Running Lamps (e.g. Saturn): About 8000 cd.

The parameters to pay attention to are the luminous flux (total amount of
light within the beam), the maximum intensity and its location within the
beam relative to the axial point (H,V) -- the less downward/rightward
offset, the longer the seeing distance -- stray light outside the beam
pattern and effective beam width (contained within the dark-turquoise 500
candela contour)

The top two diagrams are standard halogen sealed beams.  Many
Replaceable-bulb lamps with 9004, 9005, 9006 and 9007 bulbs produce
comparable beam patterns. These beams provide acceptable down-the-road
illumination, sufficiently intense and well placed, but that's about all
there is to recommend them. were fitted with) are very comparable.  We see
the narrow "tunnel" shaped beam, almost no light on the road surface, very
little lateral spread to pick up pedestrians and animals, and grossly
excessive upward stray light that causes backdazzle in fog and rain. Yuck.

The next two diagrams are the Cibie H4 lamps. These give a wider and
deeper beam pattern than the sealed beams, but upward stray is still a
problem, the peak intensity is low and located far off to the right (short
seeing distance). The Hella equivalents are similar but with slightly
lower total flux, peak intensity and beam width, and the beam peak ("hot
spot") is further over to the right.

The reason why the low beam performance is poor is that the lamp is so
small. Remember, with H4 on low beam only 60% of the lens and reflector
area is used. The other 40% is blocked by the filament's internal shield.
That's OK if you've got a large lamp to start with, but if you've got a
small one...well...

(Note that putting a more intense bulb in a lamp does not change the
fundamental beam distribution. There's more light, but the hot spot stays
where the lamp's optics put it. In other words, optically-determined
geometric limits on seeing distance remain. Also, upward stray light
increases markedly especially in lamps without bulb shields. For
reference, replacing the 60/55w bulb with a 100/90w item in this Cibie H4
lamp would raise the hot spot intensity from 11,265cd to 16,898cd.)

The last two diagrams are the Cibie CSRs. You can see from this diagram
comparison:

The CSR lamp's beam contains several hundred more lumens
than that of the H4 (and nearly triple that of the sealed beam)

CSR maximum intensity with a plain old 55w bulb is nearly three times
higher than an H4 with a 60/55w bulb, 26% higher than an H4 with a 100/80w
bulb, and 50% higher than sealed beam

CSR hot spot is well placed for long distance seeing, the beam is super
wide and has nice, even road surface illumination, there's virtually no
stray light to cause backdazzle in bad weather, and there's adequate but
carefully-controlled uplight for seeing overhead road signs.

I trip over headlamps whenever I walk 3 feet from my desk; I can have any
I want. The CSRs are my absolute favorite. I sent a set to a friend who
designs headlamp optics for Bosch. They're his favorite, now, too.

But, the magic doesn't come cheaply. These lamps are $109/ea including
standard 55w H1 bulb.

ORDERING INSTRUCTIONS

Please indicate:

The quantity of each item you wish
The type of shipping you wish
(UPS trackable ground shipping is standard; all UPS service levels are
available)
The address to which you want the items shipped (if different from billing
address)
Whether the UPS driver has permission to leave the parcel at your doorstep
if you are not available to accept it in person.

You may voicemail or fax your order toll-free on 1-866-861-8668. Please
note this is a recorded orderline only. If you wish to speak to me in
person, please use 416-766-2327.

Orders may also be sent via e-mail to: dastern@torque.net

We accept Visa and Mastercard. Orders are processed securely.

Whatever method you use, the following information is required in order to
process a credit card order:

Card type
Card number
Expiry date
CVV code (last group of 3 or 4 digits on back of card)
Your name as it appears on the card
Billing address
Phone number

Please don't forget to include a note (such as a printout of our e-mail)
stating exactly which items you are ordering, and where you wish them
sent.

I look forward to hearing from you.

Best Regards,

DS
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>



-----Original Message-----
From: scirocco-l-bounces+sailingfc=dslextreme.com@scirocco.org
[mailto:scirocco-l-bounces+sailingfc=dslextreme.com@scirocco.org]On
Behalf Of Julie Macfarlane
Sent: Sunday, December 11, 2005 7:27 PM
To: scirocco-l@scirocco.org
Subject: Jeeze guys.


Man its quiet.


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--
Don Walter - Waukesha, WI
1986 8V Black Scirocco (Daily Driver)
1984 8V Audi 4000s (RIP 2/14/2006)
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (Ben's Car)
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold)
1969 Karman Ghia (sold)
1969 Beetle (sold)