Re: Carbon rod electrodes?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

One could use a carbon rod as a trigger electrode.  Carbon rods aren't the
ideal thing for a TC gap for the following reasons:
1) Series resistance of the carbon
2) What makes them good for arc lights: the glowing, incandescent carbon,
makes them bad for precision spark gaps.  Once they get hot, they don't want
to quench
3) They erode, changing the gap and the operating characteristics.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, March 06, 2003 6:22 AM
Subject: Carbon rod electrodes?


 > Original poster: "Richard W. by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<potluck-at-xmission-dot-com>
 >
 > Hi list,
 > I used to build arc lamps as a kid using the carbon rod salvaged from
 > carbon-zinc size D batteries. They were about the diameter of a pencil and
 > ran the full length of the battery. After some use the tips become conical
 > improving the gap.
 >
 > Anyway, could something like that be used in TSGs?
 >
 > Rick W.
 > Salt Lake
 >
 >