Miata Mailing List: January 1996, Message #172
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   From: "Werner Cassel" 
Subject: (Fwd) Re: Headlamps
   Date: Thu, 4 Jan 1996 04:22:25 -0500

Forwarded message:
From:     Self 
To:       keith@miata.net
Subject:  Re: Headlamps
Reply-to: Cassel@mailer.uni-marburg.de
Date:     Thu, 4 Jan 1996 10:29:16


Keith:
I still think the triangle comes purely from the bulb - you may be able to
see reflections on the reflector of the shield that creates the cutoff.

Werner:
The shield is only there to "cut the light in half", so it shines 
only on the upper half of the reflector.

Keith:
When I put the 80/100W bulbs in a Honda Civic, the pattern stayed exactly
the same, and those were stock reflectors that showed absolutely no sign of
a similar beam pattern before the H4 bulbs were installed.

Werner:
I bet you still had a clear cutoff, but no triangle on the right 
side. 

Keith:
Taping over the glass will cut part of your beam, but I'll bet if you put UK
bulbs in your continental reflectors, you won't notice a difference from a
full UK setup.

Werner:
I'll take your bet on that. I think bulbs in the UK are similar to 
those of the continental Europeans. Take a close look at an H4 bulb 
and try to identify the area that produces the triangle. There is none.

How about a Miata.net windshield sticker?

If we cannot agree until then, I will buy a "British" bulb this March 
on the "3rd Miata trip to London (UK)".


Werner
Red 91A, Marburg, Germany