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Re: Dump the RSG!
From: Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: Wednesday, November 05, 1997 12:44 AM
To: Tesla List
Subject: Re: Dump the RSG!
Hi Jeff, all,
This reminds me of something Kenneth Corum said in one
of his posts.....
> 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
Here's a goal for everyone to beat :) He spoke of a tube coil he had
built that put out 3' at an average power of (3? 5?) kW.
Malcolm
<snip>