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Re: Wiring the entire circuit
- To: tesla@xxxxxxxxxx
- Subject: Re: Wiring the entire circuit
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Tue, 08 Mar 2005 22:34:52 -0700
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- Resent-date: Tue, 8 Mar 2005 22:35:26 -0700 (MST)
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Original poster: Jerry White <starcatfisher@xxxxxxxxxxxxx>
What is the difference between async and sync spark gaps?
Tesla list <tesla@xxxxxxxxxx> wrote:
Original poster: robert heidlebaugh
Ben: I question your choice of an asynchronous motor on a AC coil with a NST
to power it. If you were using DC to power the coil you would have no
problem. NST 's have a history of not liking async spark gaps.
> From: "Tesla list"
> Date: Sat, 05 Mar 2005 17:52:56 -0700
> To: tesla@xxxxxxxxxx
> Subject: Wiring the entire circuit
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> Resent-Date: Sat, 5 Mar 2005 17:53:04 -0700 (MST)
> Original poster: "Medina, Benjamin (UMR-Student)"
> TO: The Tesla Coil Mailing List
> Hello Again. Thanks to everyone for their responses to the post I made a
> two weeks ago on 'Advice on Primary'. This is for my senior design project
> which is due by MAY but our goal is to start testing ASAP and then modify
> our design to enhance the performance of our TC. We are at the point of
> connecting the entire circuit but before I go into that I want to tell you
> about our primary.
> I decided to go with notches instead of holes. It took about 7 minutes to
> wind the copper tubing through notches. I had my partner holding the roll
> of copper tubing and I was snapping it on each notch.
> We first mounted the 4 supports to the plywood and then started snapping
> the copper tubing (inwards to outwards) as my partner gradually moved the
> roll of copper tubing (in a CW direction). It's hard to describe in words.
> BUT, honestly, it was VERY EASY. I thought it would be a nightmare. I will
> show you the images later on. We got 13 turns so we will splice another
> roll of copper tubing to this end to get a total of 15 turns.
> We are using a 15 kV / 30 mA NST and a RSPG (using a 1/6 hp asynchronous
> motor with a variac) similar to the setup shown below:
> For the NST I am using what type of wire/strap/clamp is recommend:
> 1. From the secondary side of the NST to the Capacitor?
> 2. From the secondary side of the NST to the spark gap? (This connection
> goes to the stationary electrodes?)
> 3. From the Capacitor to one end of the primary coil? (Is it connected to
> the tap turn?)
> 4. From the spark gap to the other end of the primary coil? (Is it
> connected to the inner turn?) And from where in the Spark Gap does the
> connection have to be?
> 5. How is the toroid connected to the top of secondary? Materials used for
> 6. RF Ground base of secondary connected with the ground of the NST and
gt; the strike ring? The primary is not connected to the secondary since the
> transfer of energy occurs as a result of coupling, correct?
> 7. The strike ring shouldn?t have both ends connected (soldered) correct?
> Are there any rules as to the spacing between both ends?
> Sorry for the lengthy email. But thanks for your time and
> Ben Medina
> Rolla, MO.