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Re: [TCML] Old VDG and Tesla coil found in attic



Nope, Dan,

"Big TC" was a disruptive spark gap coil, while Steve's is a VTTC.

There was a "Lil' TC" plan published in the same popular Electronics issue as "Bit TC", but it used a TV flyback transformer as an output.

Steve's TC is from a schematic 30-40 years older than the Big TC article.

Dave

daniel_kline@xxxxxxxxxxx wrote:
Chances are that your Tesla-coil was built from this plan:
http://home.gwi.net/~jdebell/pe/6407p29.htm
Big TC, Popular Electronics, July 1964

Dan K.

----- Original Message -----
From: steve date <sdate@xxxxxxx>
Date: Tuesday, August 25, 2009 5:51 pm
Subject: [TCML] Old VDG and Tesla coil found in attic
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>

Folks,

Several years ago I found a VDG and Tesla coil in an attic doing an install job near Seattle. I asked the new home owners about the equipment in their attic and they didn't have the slightest knowledge of what the "junk" was. They said I could have it as long as I hauled it out! this was appx 1981 and I have never had a chance to mess with them.

I am now retired and have the time to start the project.

I have placed them on my website:
http://home1.gte.net/sdate/VDG-VTTC/vdg1.jpg
http://home1.gte.net/sdate/VDG-VTTC/vdg2.jpg
http://home1.gte.net/sdate/VDG-VTTC/vdg3.jpg
http://home1.gte.net/sdate/VDG-VTTC/TC1.jpg
http://home1.gte.net/sdate/VDG-VTTC/TC2.jpg
http://home1.gte.net/sdate/VDG-VTTC/TC3.jpg

My questions for the group:

1. anybody recognize either of them? builder? commercial?

2. should I keep the TC "true" (long secondary) when refurbishing it?

3. any ideas on the tube type? schematic? (yes, I can draw it out)

4. what material would be "best" for the belt

I would appreciate any comments from the group that would help restore them to working condition. (I know, I know... the TC will be a very poor performer by today's standards... This is a "for-fun" project).

I suspect these were originally built for classroom use or school science fair use.

Steve - Seattle
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