> I would think of more like 400V for a 3/4" arc.
>
It's about 60v once an arc is established and is almost
independant of arc length (10v at each contact and 40v
across the plasma)
> Is it that the high wattage was ionising the
> copper or otherwise altering makeup of the air gap?
>
It's the air being ionised.
Lee.
----------------------------------------------------------------------------
----
This email is intended only for the above named addressee(s). The
information contained in this email may contain information which is
confidential. The views expressed in this email are personal to the sender
and do not in any way reflect the views of the company.
If you have received this email and you are not a named addressee please
delete it from your system and contact Merlin Communications International
IT Department on +44 20 7344 5888.
________________________________________________________________________
This e-mail has been scanned for all viruses by Star Internet. The
service is powered by MessageLabs. For more information on a proactive
anti-virus service working around the clock, around the globe, visit:
http://www.star.net.uk
________________________________________________________________________
Received on Thu Jun 13 2002 - 13:06:46 BST