RE: [TCML] Ballast and ARSG

[resonance@xxxxxxxxxxxx]

I like the satellite actuator idea.  What is the cost of these units?  New
or used.

Dr. Resonance



> Hi DC,
>
> I have a core of about the same size and wire size that is conservatively
> rated at 5KVA 240V. A simple and cheap 18" satellite actuator makes a good
> core mover.
>
> I still think a variac is a good thing to control the voltage though.
>
> Jim Mora
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
> Of resonance@xxxxxxxxxxxx
> Sent: Thursday, January 10, 2008 9:00 AM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Ballast and ARSG
>
>
>
>
> It depends on your core size.  I use a 3 x 3" core x 20 inches long wound
> with 150 turns of #8 AWG.  Best to not use a PVC tube.  Wind Nomex
> insulation around the core 1-2 layers, and then wind the wire directly on
> the Nomex spacing between layers with cut strips of phenolic approx 1/4 x
> 1/4 inch.
>
> Keeping the wire close to the core usually gives better performance.
>
> With straight cores you do not need a variac at all (saves money).  Just
> use a stout motor drive with lead screw configuration.  Start with the
> core all the way in and then slowly back it out until you hit the current
> you wish to operate at.  Makes variacs a thing of the past.
>
> Dr. Resonance
>
>
>
>
>> Hello Everyone
>>
>>    I have been reading through the archives regarding slide choke
>> ballasts
>> and have a few questions on construction. I would like the range to be
>> from about 5 amps at the lowest to about 25 - 30 max . I was thinking
>> of using 10 guage wire and using spacers between layers of windings and
>> a fan to keep it cool. It would be wound on a pvc tube about 24" long.
>>   I was wondering what size of tube to use and approx how many turns of
>> wire will I need ?.
>>    I am currently building my first ARSG as well . It is going good so
>> far. I made a fiberglass disk using an 8 inch cake pan (wife doesn't
>> know yet :o) ) fiberglass matting and polyester resin. the disk is 3/8"
>> thick.  I mounted this to a flange that allows me to attach it to my
>> 1725  rpm motor. I then put the disk and flange into my lathe and
>> machined it till it ran true and final diameter was 6.5" . I then took
>> a 10" aluminum disk 3/8" thick and cut out a 5" diameter hole in the
>> center. I have bolted this to the fiberglass disk and trued and
>> balanced the whole assembly , I now have a metal ring attached to a
>> fiberglass insulating disk , the holes have been drilled for the brass
>> electrodes in the aluminum. Stationary electrodes will both be on the
>> front side of the disk. Does this setup sound ok so far ? , I will be
>> adding a shield around it when it is finished as well.
>>     I really enjoy reading through the archives,  and seeing all the
>> different designs and ideas that everybody has. I will take some pics
>> of my complete coil and the new one I am building one of these days
>> and post them on my webspace.
>>   Sorry for the long post and thanks for any info
>>
>>   Coiling in Canada
>>   Mike
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>>
>
>
> Dr. Resonance
>
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Dr. Resonance

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