TeslaFest 2018 - Chillicothe! Thanks Roger, we all had a great time.
Enjoyed your historical commentary on your numerous artifacts from the past.
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Sent: Saturday, August 25, 2018 6:47 PM
To: tesla@xxxxxxxxxx
Subject: Tesla Digest, Vol 129, Issue 5
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Today's Topics:
1. Re: Teslafest appreciation (Forrest Mohrman)
2. Re: Max Voltage Gain In a Tertiary Coil (Daniel Kunkel)
3. Watch your Caps! (phil)
4. Re: Watch your Caps! (Steve White)
5. Re: Max Voltage Gain In a Tertiary Coil (Antonio Queiroz)
6. Re: Suggestion for postings (robert massa)
7. Re: Watch your Caps! (Mr Nico)
8. Re: Suggestion for postings (Chris Reeland)
9. Re: What to call "sparks"? (Chris Reeland)
10. Re: What to call "sparks"? (Carl Noggle)
11. Re: What to call "sparks"? (doug)
12. Re: What to call "sparks"? (Ed)
13. Re: What to call "sparks"? (Bart Anderson)
14. Javatc 13.3 (Bart Anderson)
----------------------------------------------------------------------
Message: 1
Date: Thu, 23 Aug 2018 11:07:53 -0400
From: Forrest Mohrman <forrestmohrman@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Teslafest appreciation
Message-ID:
<CALyiZitAquFECOum_h5AWP9zt7UqHOK36ujTPCSTW-TASGY3-g@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="UTF-8"
I was not able to attend this year. I miss this local event as I had my
big solid state coil there last year. Are there any pictures or video
available?
Bud Mohrman
On Tue, Aug 21, 2018 at 7:25 PM Roger Smith <rwsmith@xxxxxxxxxxxxxx> wrote:
> On 8/18/2018 10:26 PM, Steve White wrote:
> > I would like to thank Roger in Ohio for hosting the Teslafest at his
> very nice indoor facility. It was a long drive for me and my wife but well
> worth the trip. There were about 25 attendees that I saw. I met some great
> people. Roger had his great equipment there including his very impressive
> big SGTC and his big VTTC. The big SGTC looked to produce at least 15 foot
> discharges. The big VTTC produced very impressive bushes of sparks about 5
> feet in height drawing about 75 amps and occasionally tripping the main
> breaker. Some attendees brought their equipment with them including a
small
> VTTC, a 833A VTTC, a medium quad NST powered SGTC, two different DRSSTCs,
> two different tesla coil spark guns, a vacuum chamber with electrodes, a
> Marx generator, and a tesla coil in a bottle (ask Roger). I sincerely hope
> that Roger continues this wonderful tradition because I look forward to
> next year. I saw a lot of pictures and video being taken. I hope those can
> be published on-line somewhere
> > where everyone can see them.
> >
> > Steve
> > Cedar Rapids, Iowa
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> Thanks Steve and thanks to everyone who participated. I intend to keep
> having these annual events.
>
> Roger
>
>
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
------------------------------
Message: 2
Date: Thu, 23 Aug 2018 09:12:56 -0500
From: Daniel Kunkel <dankunkel@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Max Voltage Gain In a Tertiary Coil
Message-ID:
<CAA7NYCdwn=XYEAhxhwu0bsERR2PtenXwpCauRHNrQDmVHuaXTw@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="UTF-8"
Antonio,
I understand the first part of what you are saying with the energy transfer
(which I understand to come from the very tight coupling of L1 and L2).
However, when we look back several decades at what Tesla Coil hobbyist did
from the time of Tesla's death until the 70's or 80's, many of the
secondary coils had horrible aspect ratios (small diameter and VERY tall,
which we now call candlesticks). The result was poor performance, and were
designed completely opposite of Tesla's CSN coils with with aspect ratios
of 1:1 or 1:2. Today we seem to have settle on 1:3 - 1:4 for our coils. Is
that better, or a compromise?
But to your statement, " Without losses considered the maximum output
voltage with two or three coils, with the same primary capacitor and total
load capacitance, is the same." I have to ask, if that is true, then how
many turns of wire is needed on the final resonator (L2 or L3)? How much
inductance is needed in any coil to produce high voltage? As a community I
think we have settled on 1,000 turns (+/- 200 turns).
So if we continue to stick to these aspect ratios and parameters and employ
them in the typical magnifier setup, then yes, I would expect performance
to be similar. But I believe with magnifiers (L1, L2, and L3) can and
SHOULD be constructed to 1:1 aspect ratios. I realize you have a LOT of
real world magnifier experience...I hope to get there too some day!
Here is an interesting video. That green pole on the left is the secondary!
Now I believe this one was constructed for this experiment and not made to
produce the normal streamers...but still interesting.
https://youtu.be/A6Tc6Hj4cas?t=1m37s
Thanks,
~Dan
Kansas City area
On Thu, Aug 23, 2018 at 6:57 AM, Antonio Queiroz <acmdequeiroz@xxxxxxxxx>
wrote:
> Magnifiers may allow faster energy transfer, reducing the time when
current
> is flowing in the lossy spark gap. With reduced energy loss the energy
> ending in the top terminal increases. Without losses considered the
maximum
> output voltage with two or three coils, with the same primary capacitor
and
> total load capacitance, is the same.
>
> Antonio Carlos M. de Queiroz
> Rio de Janeiro, Brazil
>
> On Tue, Aug 21, 2018, 9:56 AM Daniel Kunkel <dankunkel@xxxxxxxxx> wrote:
>
> > When thinking about a 3 coil system, where the third coil is free to
> > resonate, what is the best way to maximize the voltage gain?
> >
> > If we follow the Colorado Springs oscillator, we would use coils with an
> > aspect ratio of 1:1 with a large space between the winding. IIRC the
> space
> > winding Tesla did was to reduce inter-turn arcing (due to the poor
> > insulation qualities of the gutta-percha insulation), as well as an
> attempt
> > to reduce the self capacitance of the coil.
> >
> > So as best I can theorize, you should:
> > -Identify what inductance and top load you need to achieve the desired
> > frequency
> >
> > Then:
> > -minimize the self capacitance of the coil
> > -minimize the DC ohms of the coil
> >
> > So to that end, are they any easy to use and accurate calculators that
> are
> > available? JavaTC I believe is accurate, but the user interface is
> lacking
> > and not really easy to make these changes to aspect ratio, wire
diameter,
> > and spacing easy or quick. DeepFriedNeon is great, but I am unsure of
its
> > accuracy.
> >
> > ~Dan
> > Kansas City area
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
------------------------------
Message: 3
Date: Fri, 24 Aug 2018 14:11:30 +0100
From: phil <pip@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: [TCML] Watch your Caps!
Message-ID: <646f71ff-2df8-47e9-ccb2-dbb7d88ce863@xxxxxxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
All,
The Cornell-Dubilier's 942C20P15K-F capacitors have long become
something of a stalwart for Tesla Coil use, however they are not totally
immune to damage!
https://www.flickr.com/photos/33962508@N03/
This came about by running my 200bps synchronous coil with the phase
setting badly out - this was being done to simulate running as 100bps.
The cap string was rated at 36KV, and while that voltage rating has been
adequate for the last 6 years or so when running at 200bps, it most
likely proved too low for my latest 100bps antics; the experiment being
the 'final straw that broke the camel's back'. Lesson learnt.
Regards Phil
------------------------------
Message: 4
Date: Fri, 24 Aug 2018 11:08:35 -0400 (EDT)
From: Steve White <steve.white1@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Watch your Caps!
Message-ID:
<647060071.621095951.1535123315484.JavaMail.zimbra@xxxxxxxxx>
Content-Type: text/plain; charset=utf-8
Phil,
This is something that I have wondered about. Lets say that you have your
break rate set at 200 BPS (4 bangs per cycle) and the firing angles are at
0, 90, 180, and 270 degrees. Assuming that the gap fires every time, there
will be no voltage reversal due to firing phase angle. I am excluding
voltage reversals due to the primary tank circuit oscillation in this
discussion. Now lets assume that you have adjusted the phase angle so that
the firing points are at 45, 135, 225, and 315 degrees. In this scenario,
two of the firing points are effectively cancelled due to voltage reversal
on the capacitors resulting in an effective 100 BPS firing rate. This is
what I assume you are doing to simulate a 100 BPS firing rate from what is
normally a 200 BPS firing rate. The potential problem, as I see it, is the
following 2 charging intervals:
1. 135 degrees to 225 degrees
2. 315 degrees to 45 degrees
During these two charging intervals, the charging voltage on the capacitors
passes through zero and ranges between positive and negative equal value
voltages, effectively cancelling the charge on the capacitors during these
two intervals. This appears to me to represent a 100% voltage reversal to
the capacitors. This voltage reversal will occur twice per cycle or 100
reversals per second for 50 Hz power. We all know that pulse capacitors do
not like large voltage reversals. I wonder if this is what is damaging your
capacitors? This also leads me to wonder if a ARSG is more stressful on the
capacitors than a SRSG for the same reason.
A mitigating factor is the fact that the rise time of the voltage reversal
at the power line frequency is about 1000 times slower than than the voltage
reversal due to tank circuit oscillation. This is much less stressful on the
capacitors but I don't know how much. I haven't seen any capacitor specs
about the effect of voltage reversal rise time on capacitor life.
Steve White
Cedar Rapids, Iowa
----- Original Message -----
From: "phil" <pip@xxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Friday, August 24, 2018 8:11:30 AM
Subject: [TCML] Watch your Caps!
All,
The Cornell-Dubilier's 942C20P15K-F capacitors have long become
something of a stalwart for Tesla Coil use, however they are not totally
immune to damage!
https://www.flickr.com/photos/33962508@N03/
This came about by running my 200bps synchronous coil with the phase
setting badly out - this was being done to simulate running as 100bps.
The cap string was rated at 36KV, and while that voltage rating has been
adequate for the last 6 years or so when running at 200bps, it most
likely proved too low for my latest 100bps antics; the experiment being
the 'final straw that broke the camel's back'. Lesson learnt.
Regards Phil
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxxxxxx
https://www.pupman.com/mailman/listinfo/tesla
------------------------------
Message: 5
Date: Fri, 24 Aug 2018 23:01:06 -0300
From: Antonio Queiroz <acmdequeiroz@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Max Voltage Gain In a Tertiary Coil
Message-ID: <5adfd2a0-158a-9024-8390-75b0b733bd8d@xxxxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
Em 23/08/2018 11:12, Daniel Kunkel escreveu:
> Antonio,
> I understand the first part of what you are saying with the energy
transfer
> (which I understand to come from the very tight coupling of L1 and L2).
This is a reason, allowing faster energy transfer, but there is also the
effect of the shape of the waveforms if the
secondary coil is correctly tuned.
Precisely: In a conventional Tesla coil the primary voltage falls with a
cosinusoidal envelope, while the secondary
voltage rises with a sinusoidal envelope. In a Magnifier the
corresponding envelopes are squared. This reduces the
amplitude of the primary current in the initial part of the energy
transfer, reducing the loss in the spark gap.
More energy is then transferred to the top load.
> However, when we look back several decades at what Tesla Coil hobbyist did
> from the time of Tesla's death until the 70's or 80's, many of the
> secondary coils had horrible aspect ratios (small diameter and VERY tall,
> which we now call candlesticks). The result was poor performance, and were
> designed completely opposite of Tesla's CSN coils with with aspect ratios
> of 1:1 or 1:2. Today we seem to have settle on 1:3 - 1:4 for our coils. Is
> that better, or a compromise?
"Candlestick" coils may have too low coupling with the primary,
resulting in many cycles for energy transfer and
greater loss. Too short coils don't have enough insulation.
> But to your statement, " Without losses considered the maximum output
> voltage with two or three coils, with the same primary capacitor and total
> load capacitance, is the same." I have to ask, if that is true, then how
> many turns of wire is needed on the final resonator (L2 or L3)? How much
> inductance is needed in any coil to produce high voltage? As a community I
> think we have settled on 1,000 turns (+/- 200 turns).
The voltage gain of a Tesla coil or a Magnifier can't exceed the square
root of the ratio between the primary and
secondary capacitances, due to energy conservation: 0.5*Cprim*Vprim^2 >
0.5*Csec*Vsec^2.
The inductances of the coils are a consequence of what can be built with
reasonable capacitances.
In a Tesla coil the tuning relation must follow Cprim*Lprim = Csec*Lsec,
and so the voltage gain is
also the square root of the ratio of secondary to primary inductances.
Normal primary coils with a few turns have
inductances in the tens of microhenrys. A gain of 30 puts the secondary
inductance in the tens of milihenrys.
Reasonable geometries for air-core coils really result in around 1000
turns for this range of inductances.
> So if we continue to stick to these aspect ratios and parameters and
employ
> them in the typical magnifier setup, then yes, I would expect performance
> to be similar. But I believe with magnifiers (L1, L2, and L3) can and
> SHOULD be constructed to 1:1 aspect ratios. I realize you have a LOT of
> real world magnifier experience...I hope to get there too some day!
I don't have a lot of practical experience with magnifiers, but I know
their theory. I have built just a few low-power variations to
check the theory, that worked precisely as calculated. 1:1 ratio seems
good for L2. L1 must be flat or wider to result in adequate couplings
with L2.
L3 can be short, but enough inductance is best obtained with more turns
than with wider coils. The lenght is determined by
insulation.
> Here is an interesting video. That green pole on the left is the
secondary!
> Now I believe this one was constructed for this experiment and not made to
> produce the normal streamers...but still interesting.
> https://youtu.be/A6Tc6Hj4cas?t=1m37s
Seibt coil, a standing wave demonstrator. Note that the long coil is a
kind of third coil of a magnifier.
Antonio Carlos M. de Queiroz
------------------------------
Message: 6
Date: Fri, 24 Aug 2018 22:31:12 +0000 (UTC)
From: robert massa <massahbob@xxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Suggestion for postings
Message-ID: <531348909.2326372.1535149872438@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=UTF-8
Have gleaned much from TCML and Gary . I;'m in.??????????? Bob Massa ,
Alton, IL
On Thursday, August 23, 2018 8:34 AM, Steve White
<steve.white1@xxxxxxxxx> wrote:
I thought that I just did.
Steve White
Cedar Rapids, Iowa
----- Original Message -----
From: "Gary Lau" <glau1024@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Wednesday, August 22, 2018 4:54:19 PM
Subject: Re: [TCML] Suggestion for postings
Excellent idea Steve, but you should lead by example ;-)
Gary Lau
Newton MA, USA
On Mon, Aug 20, 2018 at 1:41 PM Steve White <steve.white1@xxxxxxxxx> wrote:
> I have seen recently that people are wondering if there are fellow coilers
> nearby. I often wonder this myself. To help with this, I propose the
> following. When posting something, state your name, city, and state at the
> end. Exact street address need not be posted. If people want to stay
> anonymous, then I understand. I will be doing this on my future postings.
>
> Steve White
> Cedar Rapids, Iowa
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxxxxxx
https://www.pupman.com/mailman/listinfo/tesla
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxxxxxx
https://www.pupman.com/mailman/listinfo/tesla
------------------------------
Message: 7
Date: Fri, 24 Aug 2018 22:55:24 +0000
From: Mr Nico <nicothefabulous@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Watch your Caps!
Message-ID:
<CY4PR20MB13339F2F20110859D5765BC9A8360@xxxxxxxxxxxxxxxxxxxxxxxxxxx.outlook.
com>
Content-Type: text/plain; charset="us-ascii"
Wow cool stuff! Nice toasted marshmallows there...
Get Outlook for Android<https://aka.ms/ghei36>
________________________________
From: Tesla <tesla-bounces@xxxxxxxxxx> on behalf of phil <pip@xxxxxxxxxxx>
Sent: Friday, August 24, 2018 8:11:30 AM
To: Tesla Coil Mailing List
Subject: [TCML] Watch your Caps!
All,
The Cornell-Dubilier's 942C20P15K-F capacitors have long become
something of a stalwart for Tesla Coil use, however they are not totally
immune to damage!
https://www.flickr.com/photos/33962508@N03/
This came about by running my 200bps synchronous coil with the phase
setting badly out - this was being done to simulate running as 100bps.
The cap string was rated at 36KV, and while that voltage rating has been
adequate for the last 6 years or so when running at 200bps, it most
likely proved too low for my latest 100bps antics; the experiment being
the 'final straw that broke the camel's back'. Lesson learnt.
Regards Phil
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxxxxxx
https://www.pupman.com/mailman/listinfo/tesla
------------------------------
Message: 8
Date: Sat, 25 Aug 2018 01:30:41 -0500
From: Chris Reeland <chrisreeland@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Suggestion for postings
Message-ID:
<CAPVCm=NQtBHHag2Hhy4EKrirRVPGYLmjPrhp=Ew_kfTZFrVgOg@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="UTF-8"
Hello all,
Been very busy past several months, been lurking though and catching up on
posts at times.
Started a new job, complete career change...a lot to learn, so have been
busy and tired. Unfortunately not much coiling and a project VTTC stalled.
But have some time this weekend, hopefully will post some things. Things
are stabilizing finally...at least I hope! Going to do some "tube rolling"
this weekend on a existing VTTC for some fun and some "Big Sparkeys" as I
like to say...miss seeing them. Even though been busy new job, I have
aquired several tubes to try out...see what happens.
Okay here and will sign off on future posts also.
Chris Reeland
Ladd IL
Sent from my LG V20
On Fri, Aug 24, 2018, 9:26 PM robert massa <massahbob@xxxxxxxxxxxxx> wrote:
> Have gleaned much from TCML and Gary . I;'m in. Bob Massa ,
> Alton, IL
>
>
> On Thursday, August 23, 2018 8:34 AM, Steve White <
> steve.white1@xxxxxxxxx> wrote:
>
>
> I thought that I just did.
>
> Steve White
> Cedar Rapids, Iowa
>
> ----- Original Message -----
> From: "Gary Lau" <glau1024@xxxxxxxxx>
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Sent: Wednesday, August 22, 2018 4:54:19 PM
> Subject: Re: [TCML] Suggestion for postings
>
> Excellent idea Steve, but you should lead by example ;-)
>
> Gary Lau
> Newton MA, USA
>
> On Mon, Aug 20, 2018 at 1:41 PM Steve White <steve.white1@xxxxxxxxx>
> wrote:
>
> > I have seen recently that people are wondering if there are fellow
> coilers
> > nearby. I often wonder this myself. To help with this, I propose the
> > following. When posting something, state your name, city, and state at
> the
> > end. Exact street address need not be posted. If people want to stay
> > anonymous, then I understand. I will be doing this on my future
postings.
> >
> > Steve White
> > Cedar Rapids, Iowa
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
>
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
------------------------------
Message: 9
Date: Sat, 25 Aug 2018 01:42:14 -0500
From: Chris Reeland <chrisreeland@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] What to call "sparks"?
Message-ID:
<CAPVCm=Ppjo1zOYWB_nTR3K-CjZSg8R4kkgqsZeST+apRBie8NA@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="UTF-8"
I also technically prefer streamer when I think about it. But whimsically I
like to say loudly "Big Sparkeys!".
Chris Reeland
Ladd, IL
Sent from my LG V20
On Thu, Aug 23, 2018, 8:34 AM Russell L Thornton <
russell.l.thornton@xxxxxxxx> wrote:
> Whimsically I favor sparkle but more accurately I prefer mega-spark!
>
> Russell Thornton
> Senior Engineering Specialist
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
------------------------------
Message: 10
Date: Sat, 25 Aug 2018 07:47:26 -0700
From: Carl Noggle <cn8@xxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] What to call "sparks"?
Message-ID: <6cb5a378-479f-1a82-d796-145f34583158@xxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
Lightning researchers refer to sparks such s these as streamers.? That
seems like a good name for them, although for use with TCs it seems
appropriate to add various overblown adjectives, adverbs and prefixes
such as big, mega-, roaring, searing, etc.? For example, "The Tesla coil
creates a profusion of hot, searing streamers, powered by 500,000? BIG?
VOLTS!? Woe betide anyone who tangles with these egregious examples of
evanescent electromagnetic excess!"? You get the idea.? If an audience
member hollers that all volts are the same size, well, that's what
bouncers are for.
---Carl
??? Lightning researcher
On 8/24/2018 11:42 PM, Chris Reeland wrote:
> I also technically prefer streamer when I think about it. But whimsically
I
> like to say loudly "Big Sparkeys!".
>
> Chris Reeland
> Ladd, IL
>
> Sent from my LG V20
>
> On Thu, Aug 23, 2018, 8:34 AM Russell L Thornton <
> russell.l.thornton@xxxxxxxx> wrote:
>
>> Whimsically I favor sparkle but more accurately I prefer mega-spark!
>>
>> Russell Thornton
>> Senior Engineering Specialist
>>
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxxxxxxxxxx
>> https://www.pupman.com/mailman/listinfo/tesla
>>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
------------------------------
Message: 11
Date: Sat, 25 Aug 2018 14:13:37 -0400
From: "doug" <doug11642@xxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Subject: Re: [TCML] What to call "sparks"?
Message-ID: <740B611170114467B98371FA784E457D@dougPCPC>
Content-Type: text/plain; format=flowed; charset="utf-8";
reply-type=response
while we are on the subject of Sparks, I have a question using my VDG's as
an example. The pickups on most VDG's sit slightly away from the belt and in
dim light one can see sparks going off the belt to the pickups. Am I wrong
in believing that some energy gets dissipated as the sparks cross to the
pickup from the belt? On my VDG's I use conductive poly film resting on the
belt for the pickups and it works very well.
Doug
-----Original Message-----
From: Carl Noggle
Sent: Saturday, August 25, 2018 10:47 AM
To: Tesla Coil Mailing List
Subject: Re: [TCML] What to call "sparks"?
Lightning researchers refer to sparks such s these as streamers. That
seems like a good name for them, although for use with TCs it seems
appropriate to add various overblown adjectives, adverbs and prefixes
such as big, mega-, roaring, searing, etc. For example, "The Tesla coil
creates a profusion of hot, searing streamers, powered by 500,000 BIG
VOLTS! Woe betide anyone who tangles with these egregious examples of
evanescent electromagnetic excess!" You get the idea. If an audience
member hollers that all volts are the same size, well, that's what
bouncers are for.
---Carl
Lightning researcher
On 8/24/2018 11:42 PM, Chris Reeland wrote:
> I also technically prefer streamer when I think about it. But whimsically
> I
> like to say loudly "Big Sparkeys!".
>
> Chris Reeland
> Ladd, IL
>
> Sent from my LG V20
>
> On Thu, Aug 23, 2018, 8:34 AM Russell L Thornton <
> russell.l.thornton@xxxxxxxx> wrote:
>
>> Whimsically I favor sparkle but more accurately I prefer mega-spark!
>>
>> Russell Thornton
>> Senior Engineering Specialist
>>
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxxxxxxxxxx
>> https://www.pupman.com/mailman/listinfo/tesla
>>
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Message: 12
Date: Sat, 25 Aug 2018 11:38:04 -0700
From: Ed <evp@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] What to call "sparks"?
Message-ID: <b5021b3d-8e4a-14d4-fe48-61dbe107faf1@xxxxxxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
To my old ears sparks go 'BANG' and streamers go 'zzzBANG'.? If you can
hear the 'zzzzzzzzzzzzz' in lightning you're way too close!!!
Ed
On 8/25/2018 7:47 AM, Carl Noggle wrote:
> Lightning researchers refer to sparks such s these as streamers.? That
> seems like a good name for them, although for use with TCs it seems
> appropriate to add various overblown adjectives, adverbs and prefixes
> such as big, mega-, roaring, searing, etc.? For example, "The Tesla
> coil creates a profusion of hot, searing streamers, powered by
> 500,000? BIG? VOLTS!? Woe betide anyone who tangles with these
> egregious examples of evanescent electromagnetic excess!"? You get the
> idea.? If an audience member hollers that all volts are the same size,
> well, that's what bouncers are for.
>
> ---Carl
> ??? Lightning researcher
>
>
>
> On 8/24/2018 11:42 PM, Chris Reeland wrote:
>> I also technically prefer streamer when I think about it. But
>> whimsically I
>> like to say loudly "Big Sparkeys!".
>>
>> Chris Reeland
>> Ladd, IL
>>
>> Sent from my LG V20
>>
>> On Thu, Aug 23, 2018, 8:34 AM Russell L Thornton <
>> russell.l.thornton@xxxxxxxx> wrote:
>>
>>> Whimsically I favor sparkle but more accurately I prefer mega-spark!
>>>
>>> Russell Thornton
>>> Senior Engineering Specialist
>>>
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Message: 13
Date: Sat, 25 Aug 2018 14:28:31 -0700
From: Bart Anderson <gort@xxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] What to call "sparks"?
Message-ID: <ce5480dc-2a23-96de-06c6-aed1224e284a@xxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
OMG, are you guys going to persist on this post?.
Okay, some of my sparks I see as "streamers" but most of my sparks I see
as "turds".
I suspect most sparks should be called "turds" far more often then
anything else.
just my 2 pesos..
Bart
On 8/25/2018 11:38 AM, Ed wrote:
>
> To my old ears sparks go 'BANG' and streamers go 'zzzBANG'.? If you
> can hear the 'zzzzzzzzzzzzz' in lightning you're way too close!!!
>
> Ed
>
>
> On 8/25/2018 7:47 AM, Carl Noggle wrote:
>> Lightning researchers refer to sparks such s these as streamers.?
>> That seems like a good name for them, although for use with TCs it
>> seems appropriate to add various overblown adjectives, adverbs and
>> prefixes such as big, mega-, roaring, searing, etc.? For example,
>> "The Tesla coil creates a profusion of hot, searing streamers,
>> powered by 500,000? BIG VOLTS!? Woe betide anyone who tangles with
>> these egregious examples of evanescent electromagnetic excess!"? You
>> get the idea.? If an audience member hollers that all volts are the
>> same size, well, that's what bouncers are for.
>>
>> ---Carl
>> ??? Lightning researcher
>>
>>
>>
>> On 8/24/2018 11:42 PM, Chris Reeland wrote:
>>> I also technically prefer streamer when I think about it. But
>>> whimsically I
>>> like to say loudly "Big Sparkeys!".
>>>
>>> Chris Reeland
>>> Ladd, IL
>>>
>>> Sent from my LG V20
>>>
>>> On Thu, Aug 23, 2018, 8:34 AM Russell L Thornton <
>>> russell.l.thornton@xxxxxxxx> wrote:
>>>
>>>> Whimsically I favor sparkle but more accurately I prefer mega-spark!
>>>>
>>>> Russell Thornton
>>>> Senior Engineering Specialist
>>>>
>>>> _______________________________________________
>>>> Tesla mailing list
>>>> Tesla@xxxxxxxxxxxxxxxxxx
>>>> https://www.pupman.com/mailman/listinfo/tesla
>>>>
>>> _______________________________________________
>>> Tesla mailing list
>>> Tesla@xxxxxxxxxxxxxxxxxx
>>> https://www.pupman.com/mailman/listinfo/tesla
>>>
>>
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxxxxxxxxxx
>> https://www.pupman.com/mailman/listinfo/tesla
>
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------------------------------
Message: 14
Date: Sat, 25 Aug 2018 14:48:47 -0700
From: Bart Anderson <gort@xxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: [TCML] Javatc 13.3
Message-ID: <8e678cc2-5628-5292-cb21-5426b8ffa8e7@xxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
There has been a recent update for Javatc
Matt Lewis wrote a script or two to help him save a design to his hard
drive and then load it.. He later shared it with me. I have now included
that for Javatc.
How it works:
1) load a demo coil OR just type in your coil parameters into the input
boxes like normal.
2) Run Javatc to calc the form.
3) go down near the bottom where the "Format Design As Text" and "Make
Load? File" buttons are...
4) click on "Make Load File" ----> this will save the load file to your
hard drive wherever your browsers default save folder is located (we
cannot force a Save As dialog in javascript, sorry)...
5) now that the file is saved, you can upload it...
6) if you want to upload that file (or any others you have saved), click
on "Load Saved Coil" at the top right of the form.
7) "Load Saved File" button will open a browser dialog where you can
simply browse to the file and select it for uploading...
8) once the file is selected and uploaded, you can run the data....
There is no limit to what you can save and upload. It's all on the
"client side" (your side on your hard drive)
Of course you can rename the files that you save to whatever you desire
and you can move them to whatever folder you desire...
I want to thank Matt Lewis for making this happen. We got together
Friday night and Saturday morning and now it should be working. There
could be bugs but I think we killed most of the bugs.
Anyway, just thought it would be good to let TCML know about that
change... At some point I'll do the same for Javatc3D. Maybe next weekend.
Mr. B
/Love All, Trust Few, and Paddle Your Own Canoe/
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End of Tesla Digest, Vol 129, Issue 5
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