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Re: Jonathon's 6" Coil (fwd)

To: tesla@xxxxxxxxxx
Subject: Re: Jonathon's 6" Coil (fwd)
From: "Tesla list" <tesla@xxxxxxxxxx>
Date: Sat, 30 Jun 2007 20:22:23 -0600 (MDT)
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---------- Forwarded message ----------
Date: Fri, 29 Jun 2007 17:35:08 -0500
From: resonance <resonance@xxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Jonathon's 6" Coil (fwd)




We use a TEK storage scope with 50 kV HV divider to accurately measure the 
max potential of the spark gap breakdown.  That's why I posted the chart in 
the archives --- so anyone can accurately measure their spark gap breakdown 
voltage by measuring the distance the spark jumps.

With an RSG you need lots of power to rapidly charge your caps to full 
power.  Pole xmfrs with series reactors can deliver this power, 5 to 30 kVA 
range depending on your cap value.

Our testing allows cap to full charge before firing, and we measure the 
exact fire potential so we can accurately measure the sec potential and 
determine the coil's efficiency factor.  The solid state units deliver 
almost 35% more energy into the sec coil than do the classic spark gap type 
power supplies.  No heat/light/UV losses.

Resonance Research Corp.
www.resonanceresearch.com


----- Original Message ----- 
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, June 29, 2007 4:23 PM
Subject: Re: Jonathon's 6" Coil (fwd)


>
> ---------- Forwarded message ----------
> Date: Fri, 29 Jun 2007 14:02:36 -0700 (PDT)
> From: Yurtle Turtle <yurtle_t@xxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: Jonathon's 6" Coil (fwd)
>
> Won't a single shot be somewhat affected by the
> voltage your caps are charged to? If there's any
> resonant rise, you may get more bang at single shot
> mode than under normal operation. With a rsg, I may
> not be fully charging the cap before a bang.
>
> It's still probably the best method we have. I guess
> you could calculate the normal operating cap voltage
> (or use JavaTC) then use DC to charge the caps.
>
> Adam
>
>
> --- Tesla list <tesla@xxxxxxxxxx> wrote:
>
>>
>> ---------- Forwarded message ----------
>> Date: Fri, 29 Jun 2007 09:54:44 -0500
>> From: D.C. Cox <resonance@xxxxxxxxxxxx>
>> To: Tesla list <tesla@xxxxxxxxxx>
>> Subject: Re: Jonathon's 6" Coil (fwd)
>>
>>
>>
>>
>>
>> To test the true peak output of a resonance
>> transformer, it must be operated
>> in a "single-shot" mode.  I use 1 pulse every 120
>> seconds which gives any
>> residual ions time to clear the previous spark
>> channel.
>>
>> The peak potential is then a function of the spark's
>> distance between two
>> standard 1/2 inch dia. rod gaps.  I think chip has
>> posted this information
>> in the archives for reference.
>>
>> In short summary:
>>
>> 60 cm = 332 kV     70 cm = 382 kV     80 cm = 435 kV
>>     90 cm = 488 kV
>> 100 cm = 537 kV
>>
>> 40 cm = 225 kV     30 cm = 172 kV     20 cm = 124 kV
>>     15 cm = 102 kV
>>
>> Actually, you were around 560 kV output.  You can
>> also check this value by
>> using the equation:
>>
>> Vsec = Vpri x 80% x SQR(Lsec/Lpri).  This equation
>> is very close, usually
>> within a few percent.
>>
>> The peak potential is totally independent of the
>> waveform.
>>
>> Dr. Resonance
>>
>>
>> Resonance Research Corp.
>> www.resonanceresearch.com
>>
>>
>> ----- Original Message ----- 
>> From: "Tesla list" <tesla@xxxxxxxxxx>
>> To: <tesla@xxxxxxxxxx>
>> Sent: Friday, June 29, 2007 7:02 AM
>> Subject: Re: Jonathon's 6" Coil (fwd)
>>
>>
>> >
>> > ---------- Forwarded message ----------
>> > Date: Thu, 28 Jun 2007 19:58:50 -0400
>> > From: Jonathon Reinhart
>> <jonathon.reinhart@xxxxxxxxx>
>> > To: Tesla list <tesla@xxxxxxxxxx>
>> > Subject: Re: Jonathon's 6" Coil (fwd)
>> >
>> > Thanks.. I had no idea on that MV number...
>> What's the formula for that?
>> >
>> > On 6/28/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>> >>
>> >>
>> >> ---------- Forwarded message ----------
>> >> Date: Thu, 28 Jun 2007 15:43:54 -0500
>> >> From: resonance <resonance@xxxxxxxxxxxx>
>> >> To: Tesla list <tesla@xxxxxxxxxx>
>> >> Subject: Re: Jonathon's 6" Coil (fwd)
>> >>
>> >>
>> >>
>> >> Nice to hear you have your coil running properly.
>> >>
>> >> BTW, 46 inch streamers represent around 240 kV in
>> Tesla coil service.
>> >>
>> >> Resonance Research Corp.
>> >> www.resonanceresearch.com
>> >>
>> >>
>> >> ----- Original Message -----
>> >> From: "Tesla list" <tesla@xxxxxxxxxx>
>> >> To: <tesla@xxxxxxxxxx>
>> >> Sent: Tuesday, June 26, 2007 10:20 PM
>> >> Subject: Jonathon's 6" Coil (fwd)
>> >>
>> >>
>> >> >
>> >> > ---------- Forwarded message ----------
>> >> > Date: Tue, 26 Jun 2007 20:11:05 -0400
>> >> > From: Jonathon Reinhart
>> <jonathon.reinhart@xxxxxxxxx>
>> >> > To: Tesla list <tesla@xxxxxxxxxx>
>> >> > Subject: Jonathon's 6" Coil
>> >> >
>> >> > Hello everyone.  I read the post about people
>> maybe not giving updates
>> >> on
>> >> > their projects, etc. so I thought I'd give a
>> little feedback.
>> >> >
>> >> > Some of you have heard about, and some of you
>> helped (thanks!) get my
>> >> coil
>> >> > started a few years back, and a little bit of
>> help lately with my RSG.
>> >> > Almost a year ago, before I went to school I
>> built with the help of my
>> >> > dad,
>> >> > a pretty decent SRSG.   A week or two ago, I
>> got it hooked up, after
>> >> > doubling my tank cap from 17nf  to 34uf.
>> >> >
>> >> > At first, my results were quite disappointing.
>> I was getting plenty of
>> >> > bright sparks at the SRSG, but absolutely no
>> output from the coil,
>> >> > which
>> >> I
>> >> > had tuned to its previous (Segmented SSG) sweet
>> spot.   I played and
>> >> > played
>> >> > with the rotation of the motor, but got
>> nothing.  I was starting to get
>> >> > worried, concerned that I had possibly blown
>> one of my caps due to the
>> >> > SRSG
>> >> > being out-of-phase.
>> >> >
>> >> > Getting frustrated and ready to go inside for
>> the night, I grabbed my
>> >> > primary tap and threw it on about 1/2 way in.
>> Keep in mind this
>> >> > primary
>> >> > is
>> >> > only about 10-11 turns anyway.  Turned off the
>> lights, and threw the
>> >> > switch
>> >> > for my coil.  Hey!  About 4 inches of breakout.
>>  So I knew it was just
>> >> > a
>> >> > matter of fiddling with it.  After playing and
>> playing with the SRSG
>> >> > and
>> >> > the
>> >> > primary coil, I had set a new personal record
>> for streamer length of
>> >> > 46"
>> >> > to
>> >> > a (poorly) grounded point.  This only beat my
>> previous record of 44 by
>> >> two
>> >> > inches, but hey it's progress.
>> >> >
>> >> > Points for improvement have been noted,
>> however.  When adjusting the
>> >> SRSG,
>> >> > I
>> >> > keep getting longer and longer streamers, but
>> then the safety gaps
>> >> > start
>> >> > firing.  I believe I have them set too
>> conservatively far in.  I think
>> >> > I
>> >> > will open them up some.  Also, my topload is 4"
>> aluminum dryer duct
>> >> around
>> >> > standard-sized pie pans.  I have some 6"
>> aluminum flexible duct work
>> >> (HVAC
>> >> > style) that is more ridgid, and longer, so I
>> can stretch it out around
>> >> > a
>> >> > larger  pizza-sized pie pan.
>> >> >
>> >> > Glad to be playing with ~0.75MV again :-)
>> >> >
>> >> > Jonathon
>> >> >
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >>
>> >>
>> >
>> >
>> >
>>
>>
>>
>>
>>
>
>
>
> 
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