I've been reading some of this Grate Debate II. It is beginning to sound
like Alchemy 101.
Regards, Mike N4NT@chartertn.net
----- Original Message -----
From: "measures" <2@vc.net>
To: "Chuck Counselman" <ccc@space.mit.edu>; "AMPS" <amps@contesting.com>
Sent: Thursday, September 14, 2000 6:34 PM
Subject: Re: [AMPS] 8877 test results.
|
| >
| >>>>...At -6000v, the anode-grid leakage
| >>>>was 0uA. At +4000v anode-grid leakage was 10uA - rapidly increasing
at
| >>>>higher potentials.
| >>>>
| >>>>It is my opinion that 8877 s/n HSZ 501 probably died from gold
boiling
| >>>>off of the grid.
| >>>
| >>>
| >>>Can someone educate me (and others)? I know very little about power
grid
| >>>tubes, although I do know some physics.
| >>>
| >>>What's the physical explanation of this rectification effect -
| >>
| >>Loose gold meltballs are repelled from the anode insulator by negative
| >>potential. Positive anode potential attracts gold to the insulator.
| >
| >
| >I'm not arguing; but I need help understanding. I can understand why a
| >field-emission rectifier works; it's because electrons come in just one
| >polarity. (At least, in normal matter, not antimatter :-) But I don't
| >understand why little gold balls would exhibit polarity.
| >
| Gold atoms are surrounded by a swarm of negatively charged electrons.
| Like charges repel. Unlike charges attract.
|
| later, Chuck
|
| - Rich..., 805.386.3734, www.vcnet.com/measures.
| end
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