Re: Dump the RSG!

To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
Subject: Re: Dump the RSG!
From: Tesla List <tesla-at-stic-dot-net>
Date: Wed, 5 Nov 1997 07:15:07 -0600
Approved: tesla-at-stic-dot-net


From: 	gweaver[SMTP:gweaver-at-earthlink-dot-net]
Sent: 	Tuesday, November 04, 1997 10:34 PM
To: 	Tesla List
Subject: 	Re: Dump the RSG!

At 08:47 PM 11/4/97 -0600, you wrote:
>
>From: 	Jeff W. Parisse[SMTP:jparisse-at-ddlabs-dot-com]
>Sent: 	Tuesday, November 04, 1997 11:56 AM
>To: 	Tesla List
>Subject: 	Re: Dump the RSG!
>
>Richard,
>
>I've got a pair of Seimens Triodes that are rated at 75kV -at- 2A -at- 50kHz.
>An engineer at Seimens says that they'll run at twice the frequency and half
>voltage with no problem.
>
>These, of course, would make a nice tube coil (i.e. CW grid excitation via a
>primary feedback coil) but you are talking about using a device as a switch
>(i.e. short pulse grid excitation).
>
>What's the goal in dumping the RSG? A big tube coil or a solid state switch
>that has similar specs as a RSG? The latter, I think we all agree, is not
>yet
>available at the Tesla coiler's budget.
>
>But what about a tube coil in the 3 to 10kW range? I've got all the parts
>for a
>3kVA TC (12.75" dia. secondary -at- 108kHz, .05uf CP cap, pancake primary,
>100:1 potential transformer, 45A & 15A variacs, etc....). And I picked up
>these
>tubes at the TRW hamfest for less than the $100 price point! (tongue also in
>cheek).
>
>Jeff
>

>
>snip
>>Forget, forever, electronic vacuum tubes of any size!  You just can't get
>>that many electrons boilin' off a filament to use the tube as a true
>swich!!
>>
>>Richard Hull, TCBOR


I say give the tube a try.  It may not work as good as a switch.  But if you
learn something doing this experement it might be useful later on.  Every
little bit of extra knowledge is helpful.

Gary Weaver