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 ** Add your Tesla coil here **
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| Tesladownunder |
 Thu Feb 02 2006, 07:06PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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** Add your Tesla coil here ** 
This is the Tesla coil list where you can show your coil and compare with others. There were 200 posts on the old 4HV forum which are here at old.4hv After 211 posts it contains around 164 different coils. There are 92 spark gap coils (SGTC), 54 solid state coils (SSTC) and 17 vacuum tube coils (VTTC). (Of these 90+47+16 respectively were from the old board at 200 posts.)
The 3 Rules to keep it consistent and readable:
Each coil to have only 1 page of info (ie fits on your computer screen). Brief is best.
Each coil to have only 2 photos (do not double post for the second photo).
Only coil details and photos to be posted. Direct any queries direct to the person or in a new thread.
A coil is defined by its secondary (change of toroid isn't a new coil)
Enter as many coils as you wish. Beginners coils are welcome and this log is designed to be helpful for beginners.
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CONTENTS (in progress)
Page 1
Post 0 Tesladownunder Sparkgap TC (SGTC) small. 2inch sparks
Post 1 EastVoltResearch SSTC 8-12 inches
Post 2 EastVoltResearch SSTC 24 inches
Post 3 Tesladownunder SGTC 20yo. 2inch sparks Ferrite cored
Post 4 EastVoltResearch SGTC 48 inches 15/60 NST SRSG
Post 5 EastVoltResearch SGTC 13 inches 4/20 NST SRSG
Post 6,7 Steve Connor SSTC OLTCII 73inches
Post 8 EastVoltResearch SSTC Stereo Plasmasonic 1
Post 9, 10 Extreme Electronics AD-OLTC SSTC 23 inches
Post 11, 12 mattrg DRSSTC 25 inches
Post 13, 14 EastVoltResearch SGTC 60 inches Potential transformer 3.5kW
Post 16 Jim Mitchell Tiny ISSTC
Post 17 Tesladownunder SGTC 48 inches 4-MOT
Post 18 Scorper SSTC 11inches
Post 19 Vasil SGTC 36 inches potential transformer
Post 20 Vasil VTTC 18 inches
Post 21 Vasil Royer SSTC 21 inches
Post 22 Steve Connor SGTC 40 inches
Post 23 Steve Connor SGTC 17 inches
Post 24 Hammertone 3KVA display coil
Post 25 Cesiumsponge VTTC 17inches
Post 26 Jimmy H DRSSTC 93 inches
Post 27 Steve Ward DRSSTC 120 inches
Post 28 Steve Ward DRSSTC 24 inches
Post 29 EastVoltResearch DRSSTC 80 inches
Page 2
Post 30 EastVoltResearch DRSSTC 80 inches
Post 31, 32 Vasil Ignition coil powered 4 inches
Post 33 Vasil ISSTC 8 inches
Post 34 Vasil VTTC 8 inches
Post 35 Vasil DRSSTC 10 inches
Post 36 Vasil SGTC 24 inches
Post 37 Dan Strother SSTC
Post 38, 39 Teslacoiler VTTC 16 inches
Post 40 Idreamz SGTC 10 inches
Post 41, 42, 43 EastVoltResearch VTTC 28 inches
Post 44 Tesladownunder SGTC 60 inches
Post 45, 46 Teslacoiler 55 inches
Post 47 Colin Heath DRSSTC 26 inches
Post 48 evolve000 SGTC 36 inches
Post 49 Kalenedrael SGTC, Twin, SSTC
Post 50, 51 EastVoltResearch DRSSTC 72 inches
Post 52 hilo90mhz SGTC 36 inches
Post 53 hilo90mhz SSTC 8 inches
Post 54 Tesladownunder SGTC 96 inches
Post 55, 56 lucasmtong SGTC 16 inches
Post 57 Dave47 SGTC 20 inches
Post 58 DBH SGTC 8 inches
Post 59 Alexey SGTC 44 inches
Page 3
Post 60 Alexey SGTC 44 inches
Post 61,62 Lucas SGTC 48 inches
Post 63 ultimax SGTC
Post 64, 65 Tesladownunder SGTC 48 inches
Post 66 Cree SGTC 4 inches
Post 67 DBH SGTC 9 inches
Post 68 Pvt. Sparky SGTC 42 inches
Post 69 - 71 Pvt. Sparky SSTC 12 inches
Post 72, 73 Dr Resonance SGTC 26ft
Post 74 Otto SGTC
Post 75 Pvt. Sparky SGTC
Post 76 Pvt. Sparky SGTC 4 inches
Post 77, 78 Pvt. Sparky SGTC 19 inches
Post 79 Cree SGTC 5 inches
Post 80, 81 Extreme Electronics SGTC 36 inches
Post 82, 83 Hidden Dragon SGTC 2.5 inches
Post 84,85, 92 Cree SGTC 7.5 inches
Post 86, 87 Fry SGTC 20 inches
Post 88, 89 Fry SGTC 72 inches
Page 4
Post 90, 91 Edenberg (Antarctic) SGTC 60 inches
Post 93, 94 Tesladownunder SSTC (Royer) 1 inch
Post 95 Cree SGTC 11 inches
Post 96, 97 Extreme Electronics SGTC Magnifier 9 inches
Post 98 kv SGTC 18 inches
Post 99-101 Pvt Sparky VTTC
Post 102 Tesladownunder SSTC SIDAC 2 inches
Post 103, 104 Reaching SGTC 32 inches
Post 105 Dit Bestand SGTC 37 inches
Post 106 Reaching SGTC mini
Post 107 Hammertone SGTC Museum coil
Post 108, 109 Syd Klinge Cauac 100kVA ? 20 feet
Post 110, 111 Tesladownunder SGTC Wire roll 3 inches
Post 112 Edy19 SGTC 10 inches
Post 113 Nik SGTC 8 inches
Post 114, 115 Robert Golka SGTC ? 32 feet
Post 116 Reaching SSTC 12inches
Post 117 John Grun SGTC
Post 118, 119 Scorper SSTC 20 inches
Page 5
Post 120 Reaching SSTC 8 inches
Post 121, 122 cTc-Basti SSTC 6inches
Post 123 StarWarsFanatic SGTC
Post 124 Tom SGTC 15 inches
Post 125, 126 Tesladownunder VTTC 4 inches
Post 127,128 Tesladownunder Unintentional TC 1/2 inch
Post 129 kv SGTC 36 inches
Post 130 Boshi SGTC 12 inches
Post 131 ICC SGTC 8 inches
Post 132 Tesla Coiler VTTC cigarette lighter
Post 133, 134 Tesla Coiler SSTC Royer 14 inches
Post 135, 136 Colin 99 SSTC 30 inches
Post 137 Connor McSteve SSTC Mjöllnir 34 inches
Post 138 Reaching SSTC 18 inches
Post 139 d73 SGTC
Post 140, 141 RSmith VTTC ? 8 inches
Post 142 Reaching SGTC 28 inches
Post 143 Connor McSteve SGTC ? 48 inches
Post 144, 145 Mattrg SGTC
Post 146, 147 sf8389 SGTC 20 inches
Post 148 Philer SGTC 60 inches
Post 149 Ronald SGTC
Page 6
Post 150, 151 Ronald VTTC
Post 152 Tesladownunder Antique TC
Post 153 Tesla Coiler VTTC
Post 154 Nick Bernsden SGTC 60 inches
Post 155 Nick Bernsden SGTC 96 inches
Post 156, 157 Wirenut SGTC 72 inches
Post 158 Reaching DRSSTC 60 inches
Post 159 Avalanche SSTC
Post 160 Akota SGTC 36 inches
Post 161 DBH SGTC
Post 162 Rayer VTTC
Post 163 Rayer SGTC
Post 164 Rayer SSTC 15 inches
Post 165 Rayer SSTC
Post 166 Rayer
Post 167 Reaching VTTC 2 inches
Post 168, 169 SteelWolf 44 inches
Post 170, 171 Reaching SSTC 9 inches
Post 172 WilliamN SSTC
Post 173 Reaching SSTC 18 inches
Post 174 Part Scavenger SGTC 49 inches
Post 175 c4r0 SGTC 6 inches
Post 176 Plasmaniac SGTC 12 inches
Post 177 Avalanche SSTC 8 inches
Post 178 WilliamN SSTC 20 inches
Post 179 ... VTTC
Page 7
Post 180, 181 Tesladownunder SGTC 25 inches
Post 182 Reaching RDSSTC 36 inches
Post 183, 184 Blackplasma SSTC
Post 185 ... VTTC 5 inches
Post 186 Edy19 SSTC 16 inches
Post 187 ... VTTC 3 inches
Post 188 ... SGTC 4 inches
Post 189 Vasil DRSSTC 20 inches
Post 190 Vasil DRSSTC 40 inches
Post 191 Vasil SGTC 25 inches
Post 192 Vasil DRSSTC 22 inches
Post 193 Vasil DRSSTC Ignition coil 6 inches
Post 194 Vasil SGTC 20 inches
Post 195 Vasil SGTC Oudin
Post 196 Vasil SGTC Flyback
Post 197 Vasil SGTC Flyback 30 inches
Post 198 The last post of the old 4HV (after 90 SGTC, 47 SSTC, 16 VTTC ) ................
Post 199 Extreme Electronics DRSSTC 10 inches
Post 200 Bennem DRSSTC
Post 201 JimG DRSSTC
Post 202 Terry Fritz OLTC
Post 203 Cesiumsponge VTTC
Post 204 WilliamN DRSSTC 20 inches
Post 205 Avalanche SSTC 4 inches
Post 206 Avalanche ZVS SSTC 3 inches
Post 207 McFluffin SGTC
Post 208 Steve Ward SSTC 33 inches
Post 209 Reaching DRSSTC 48 inches
Page 8
« Last Edit: Yesterday at 07:48:06pm by tesladownunder » Report to moderator Logged
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| Tesladownunder |
| Sat Feb 04 2006, 11:03AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Post #1 EastVoltResearch Sept28 2004
This is my very first tesla coil ever. Its a standard run-o-the-mill open loop full-bridge based SSTC running from 120VAC (half-rectified)
This is the coil that began it all.
Maximum output arc length was about 8-12 inches.
Full Details can be found here:
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| Tesladownunder |
| Sat Feb 04 2006, 11:06AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Sept28 2004
Here is the second SSTC i've built. This was done almost immediately following SSTC 1 and the tesla bug had already bit me quite hard.
This was another TL494 (open loop) based full-bridge SSTC that could run up to 280VAC. Maximum arc length was about 24".
This coil has since seen the scrap pile.
Complete Details can be found here:
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| Tesladownunder |
| Sat Feb 04 2006, 11:07AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Tesladownunder Sept28 2004
My earliest (intentional) Telsa coil. I was given an old transformer from a dump which in retrospect was an old unpotted NST (neon sign transformer). I used a single static gap with a 12 inch ferrite cored coil of 11 primary and 100 turns secondary giving 2 inch sparks with 26 small ceramic capacitors with 2 strings of 13 x 0.01 uF at 3 kV each. It ran nicely for about 20 years! This photo is a mock up with most of the original parts.
Peter
Edit: fixed broken IMG tag.
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| Tesladownunder |
| Sat Feb 04 2006, 11:09AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Sept28 2004
Here is my first conventional spark gap coil.
Specifications:
4" Secondary
15kV/60mA NST (Franceformer)
0.0257uF LTR sized Primary Capacitor
Sychronous Rotary Spark Gap (SRSG)
20" x 5" Toroid (D&M Voltage)
This coil output about 48" arcs.
Full Details can be found here:
It has since been scrapped and my wife is using the table as a flower pot stand!
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| Tesladownunder |
| Sat Feb 04 2006, 11:11AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Sept28 2004
Here is my Mini-Katz conventional spark gap coil.
It uses a modified 4kV/20mA (Franceformer) NST which is modified to output
38mA current.
Output arc now is approximately 13-14 inches. This coil is my most popular coil and has seen the most demonstrations ranging from Corporate to Educational Events, Boy Scouts, and Church Events.
Full Details can be found here:
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| Tesladownunder |
| Sat Feb 04 2006, 11:12AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Steve Connor Sept 28 2004
The mighty OLTC II! This is my best performing coil but also the least practical. It's so noisy and dangerous that I hardly ever get the chance to run it.
It is a solid-state coil powered directly from the 240V line which is rectified and voltage doubled to give around 600V DC. This supplies a circuit which is just like an ordinary DC Tesla coil, except the spark gap is replaced by two 600A IGBTs connected in parallel. Due to the low voltage, the primary circuit looks quite different to a SGTC- it has a 14uF cap bank and a 10" single turn primary.
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| Tesladownunder |
| Sat Feb 04 2006, 11:13AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Steve Connor Sept 28 2004
The pic below (taken by thedatastream) shows the 73" spark achieved at the Derby Teslathon this year. To do this I had to use an extra toroid and increase the tank cap to 18uF. (With the single toroid I get around 60")
At the time this coil was being built we didn't know whether OLTCs or DRSSTCs were better. Now we know so I am going to try building a DRSSTC with the same resonator and see how much bigger the sparks get.
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| Tesladownunder |
| Sat Feb 04 2006, 11:15AM |
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Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Sept28 2004
Here is one of the first Stereo audio modulated SSTC systems capable of producing full-range audio (approx. 100Hz to 20kHz), The PlasmaSonic I system.
The audio modulated system receives its music source from a CD player and has two identical coils (operating at slightly different frequencies) and produces stunning quality audio and incredible imaging and lower frequency (bass) response.
The key to full-range reproduction was the stereo coil set-up as well as custom designed electrodes which maximize the amount of air that is moved during audio reproduction (although hiss is increased)
Complete Details can be found here:
PlasmaSonic I Presentation (4.6MB PDF)
PlasmaSonic I Video (10MB)
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| Tesladownunder |
| Sat Feb 04 2006, 11:17AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Extreme Electronics Sept 28 2004
My best coil so far, not because it give long sparks, just cause it sounds and looks cool..
The AD-OLTC
Specs:-
The Primary coil 2 turns of 5mm copper tubeing .
Primary cap 2uF MMC
The Secondary 1920 turns 0.225mm enameled copper wire wound on a 4" former , 19" tall..
The Topload 10" Stainless steel sphere. (Two salad bowls from Ikea, but don't let on)
Drive 4 x IGBT's, fired Alternately in pairs.
Max spark length 23"
BPS 10hz - 10Khz
Will also "play" Twinkle Twinkle little star..
Circuit
More Details
and click on AD-OLTC button
Picture of the AD-OLTC doing 23" to a Flourecent tube at the Nottingham Gaussfest, thanks to Adam for the picture.
Edit: fixed broken IMG tag.
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| Tesladownunder |
| Sat Feb 04 2006, 11:18AM |
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Location: Bunbury, Australia
Posts: 1435
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Extreme Electronics Sept 28 2004
Picture of the controller and a view of the primary, caps, IGBT's etc, with the secondary removed..
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| Tesladownunder |
| Sat Feb 04 2006, 11:27AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Mattrg Sept 28 2004
My best coil yet...Mini DRSSTC
Secondary stands 7in tall and is 4in in diameter with 28awg wire
Primary is wound directly over the secondary using 18awg hookup wire, 3 turns
Toroid is 10in long and 4 in diamter, Al dryer ducting
Resonate cap is .1uF3kv
Half-bridge uses a set of 40N60 miniblock IGBTs
Driver is a self resonante driver based around the MAX913 IC
Power in is via 10amp variac with its own breaker , also is voltage doubled using 2 3500uF 450volt capacitors.
System interrupted at 10ms and 18-100 BPS
Max Spark lenght so far is 25in
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| Tesladownunder |
| Sat Feb 04 2006, 11:28AM |
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Location: Bunbury, Australia
Posts: 1435
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Mattrg Sept 28 2004
Spark picture at 10ms and 18BPS
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| Tesladownunder |
| Sat Feb 04 2006, 11:30AM |
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Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Sept 29 2004
Here is my portable 3.5kW Demonstration Coil.
At least it was until I built my DRSSTC coils. It is now
basically scrap.
Can output up to five foot arcs no problem.
Use 14.4kV/240mA Potential Transformer
Asychronous Rotary Spark Gap (ARSG) 10" Rotor
Custom Controller System
20" x 5" Toroid
Complete Details can be found here:
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| Tesladownunder |
| Sat Feb 04 2006, 11:32AM |
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Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Sept 29 2004
Here is a picture of the coil during a demonstration at the
2003 SJ Teslathon
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| Tesladownunder |
| Sat Feb 04 2006, 11:34AM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Adam Horden Sept 29 2004
Hi All,
Maybee some of the solid state coils that are pictured here could be added to the Solid State Tesla Coil database?
The idea was to have a way to compair diffrent topologies of Solid State Coils and draws up some graphs etc. Could even give us some idea on the best coupling for DRSSTCS etc. Compair OLTCS to DRSSTCS etc. Maybee find a streamer load modle that works to all solid state coils.
You can add a coil on that link. You need to register first but tbis takes 5 mins. You will be sent an email and to activate the account you need to click the link contained in this email.
I am even willing if you give me the info here as a post I will add it to the database.
If there are any problems with the system please let me know.
Go on add your coil
Adam |
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| Tesladownunder |
| Sat Feb 04 2006, 11:41AM |
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Location: Bunbury, Australia
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Jim Mitchell Sept 29 2004
That's one of my boards I see in the background there Matt .
The World's Smallest ISSTC!
(Mod - I will resize before posting pic) |
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| Tesladownunder |
| Sat Feb 04 2006, 11:42AM |
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Location: Bunbury, Australia
Posts: 1435
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Tesladownunder Sept 30 2004
This is my 4 inch coil.
It uses 4 MOT's (microwave oven transformers) under oil with an angle grinder ARSG (asynchronous rotary spark gap).
Secondary is a 4 1/2 x 24 inch coil with 680 turns of 20 G (0.8 mm) enamelled wire taking up 24 inches on 4 1/2 inch PVC pipe. Coated with several coats of spray on polyurethane sealer. Measured resonant frequency is 297 kHz. Tank cap is a home made 35nF polyethylene/oil capacitor. It gives around 4 ft sparks.
I need more room in my shed (standing room only).
Peter
ps It would be great if lots of people added their coils. Everyone's are welcome even your scrappiest one. If need be I can reduce pics to 475 pixels wide if you email them to me. You will need to give them a different name if they have been used before in 4HV, otherwise your post will not send and you lose it.
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| Tesladownunder |
| Sat Feb 04 2006, 07:49PM |
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Location: Bunbury, Australia
Posts: 1435
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Scorper Oct 1 2004
Here's my SSTC, secondary is around 1400 turns on a 4" PVC former, winding lenght around 13". Driver is a PLL (=phase locked loop) and two UCC373** chips driving a GDT, and then finally a full-bridge of IRFP460 FETs and MUR860 diodes. Longest spark so far is a bit over 11" (you can actually see it in the picture!), though I'm still having slight problems with reliability.
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| Tesladownunder |
| Sat Feb 04 2006, 07:50PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Vasil Oct 1 20004
Spark gap TC
600 VA potential transformer ballasted with two 250 VA HG lamp ballasts
sucker gap
20 nF @ 16 kV MMC primary cap
primary: archymedical spiral, 12 turns, average radius= 8.85", taped at turn 5
secondary: 4.33"/21.06" 749 turns
topload: two stacked toroids (28 pF)
artificial ground
spark lenght = 36 inches
More information here:
(Mod I need to resize pic before including) |
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| Tesladownunder |
| Sat Feb 04 2006, 08:01PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Vasil Oct 1 2004
GU81M VTTC
GU81M high power pentode, with the grids G1 and G2 connected together, G3 to ground
2.1 kV @ 1 kVA MOT with level shifter (2.2 uF @ 6.3 kV cap)
primary: 14 cm diameter, matched impedances with the primary capacitor connected at the 34-th turn and the plate of the tube at the 48-th turn.
secondary: 7.5 cm/ 28 cm, 500 kHz
feedback coil: 21 turns, under the primary coil
no staccato used
spark lenght: 18 inches
More information here:
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| Tesladownunder |
| Sat Feb 04 2006, 08:05PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Vasil Oct 1 2004
Royer SSTC
push pull, current fed, resonant converter with IGBTs (BUP314)
primary: 4+4 turns, 3.93" dia/1.18" lenght, 20.95 uF
134 nF primary cap
secondary: 14 cm dia/ 47 cm lenght with 0.125 mm wire, 3760 turns, self res = 76.2 kHz
spark lenght: 21 inches
More information here:
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| Tesladownunder |
| Sat Feb 04 2006, 08:09PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Steve Connor Oct 1 2004
Tesla-2
3.5" x 18" secondary, metal bowl topload
Fres=about 210 kHz
13 turn conical primary
12.5nF 22kV MMC cap
12,000 rpm async rotary gap
10kV DC power supply made with single MOT+ electrolytic caps and diodes
"Multi-Mini-Charging-Choke"
Spark length 40" at 400bps, 1kW
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| Tesladownunder |
| Sat Feb 04 2006, 08:11PM |
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Location: Bunbury, Australia
Posts: 1435
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Steve Connor Oct 1 2004
Tesla-1
Same parts as Tesla-2, except only 9.4nF tank cap, smaller topload, static gap, and 10kV 25mA NST.
Spark length 17"
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| Tesladownunder |
| Sat Feb 04 2006, 08:13PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Hammertone Oct 1 2004
This is the 2nd. coil that I built.
It is on permanent exhibit at the Danish Electricity Museum
Torus: 600mm by 160mm, copper
Secondary: 600turns of 1mm wire, spacewound on 250mmØ, 870mmL polyethylene tubing.
Primary: 25mm wide, 0.6mm thick bronze strip. This gets warm during operation.
Cap: Maxwell 100.000V 40nF
Sparkgap: Sync. Rotary. 300BPS Equal Bangsize configuration.
Transformer: 20kV/3000VA (continous) Homewound.
More details:
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| Tesladownunder |
| Sat Feb 04 2006, 08:15PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Cesiumsponge Oct 1 2004
810 VTTC, Steve Ward clone I built last year with his help. It has been sitting around without much use. Specs are very similar.
Built as a tabletop unit, 12x12" PE base. Uses a new 810 RCA tube and a Freau 6x1.75" toroid unit and integrated breakout point. Still needs a staccato unit but I have gotten upwards of 16-17" streamers to a suspended metal rod before the plate starts getting red.
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| Tesladownunder |
| Sat Feb 04 2006, 08:17PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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JimmyH Oct 1 2004
This is my DRSSTC. 6x30" secondary, 7x36" toroid. Max spark length so far is 93".
Ummmm..... not sure what else to say..
oops, gotta fix the pic size
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| Tesladownunder |
| Sat Feb 04 2006, 08:20PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Steve Ward Oct 1 2004
My DRSSTC-2.
Standing at about 7' tall, this coil has produced over 11' point-to-point arcs from an estimated 4-5kVA at 100bps. It uses 700VDC input voltage to the h-bridge (consisting of 300A 1200V IGBTs). Secondary is 8"x48", tank cap is 360nF, toroids are 4.5"X : 26" and 38". More specs at my website:
The photo is by Terry Blake at the 2004 Cheesehead Teslathon (Wisconsin). Here its running with 2 breakout points with arcs reaching 9-10' to ground. You can see me hunched over the variac, Jimmy on the ground next to it, and his Dad standing just to the right of the secondary.
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| Tesladownunder |
| Sat Feb 04 2006, 08:22PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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Steve Ward Oct 1 2004
Here is another DRSSTC (my DRSSTC-3). Its a mini coil that i built with the very original ISSTC driver. This coil uses a half-bridge at 350VDC input. It uses only 2 MMC caps for 75nf at 4kv rating. The secondary is 4.5"x11", 30awg. Topped off with a 3"x12" toroid. It makes sparks up to 27" (pictured). Currently working on longer sparks. Uses around 300W at 100bps for average 24" sparks. More details at my site of course.
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| Tesladownunder |
| Sat Feb 04 2006, 08:23PM |
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Joined: Thu Feb 02 2006, 03:45AM
Location: Bunbury, Australia
Posts: 1435
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EastVoltResearch Oct 1 2004
Here are some pictures of my DRSSTC 1 system.
6.5" Secondary, 20" x 5" Toroid, 0.11uF Primary Capacitor
Resonant Frequency 100Hz
Maximum Arc Length with this system is 80"
Full Details can be here:
Full Electrical / Mechanical Design / Testing / Details along with DRSSTC II are documented in a 150+ page book I wrote which is available here:
DRSSTC II
"A Modern Day Solid State Tesla Coil Experiment"
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