Bob,
Thanks for sharing this info. Wikipedia is great. I remember the old BUSS
data sheets. We had them at the Alfa dealer I once worked at.
Hap
-----Original Message-----
From: Bob [mailto:robertlarson@att.net]
Sent: Friday, February 04, 2011 7:31 PM
To: Hap Polk
Subject: Re: [Healeys] BN2 80/100 W bulbs on the PL700 tripod headlights....
Hi Hap,
In days of old I recall seeing a note about the British ratings
in the Buss Catalog. Maybe a search on the internet could find one that is
in a PDF format.
There is a note here:
http://en.wikipedia.org/wiki/Fuse_(automotive)
<http://en.wikipedia.org/wiki/Fuse_%28automotive%29>
Note the Lucas heading. They actually give a chart that
closely aligns with what you are saying. Some fuses actually also have
loaded springs to make the break quicker and reduce
the time it is conducting via arcing. The old Buss data sheets had a lot
of
information on arcing
and other failure modes for fuses. A lot more engineering than just
melting
the fuse. Fuses also
have voltage ratings, again related to arcing. Once open you don't want any
arcing current to flow.
The Wiki is not an end all reference though.. Wish I had
the
old Buss stuff. The Wiki
does note that the old glass tube auto fuses are 32 volt.
Bob
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