9 Nov
2007
9 Nov
'07
2:25 a.m.
On Thursday 08 November 2007 20:49:34 Tony Duell wrote:
Bring a copper bar out through the envelope to heat the cathode, like old
hot-tube ignition systems.
Gordon
Dave McGuire
wrote:
I'd love to see you keep that flame burning while having a sufficienltly
low gas pressure around the cathode to have a long enough mean free path
for the electrons, Not to mention problems caused by the ions geenrated
by said flame. This is the way I learned it, and I'm in
the US.
Forget electrcity ... Have a torch heated valve. :)