2007.06.12 00:37

완벽한 자동차 도난 방지 장치

정보보호개요 기말 과제 하면서 우연히 찾았었죠.
http://tesladownunder.com/index.html
완벽할 듯 --;

An Australian site detailing almost 200 high voltage and other projects such as...


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Tesla coil (above) with 7 foot sparks .  Awesome to be near. For more photos of sparks up to 8 feet (around half a million volts) go to Tesla coil sparks.

plus... a 16,000 Joule 12,000 volt capacitor bank for hugely powerful discharges. Half a gigawatt of peak power  used for Can crushing, coinshrinking, exploding wires and many other experiments.

Other capacitor banks with electronic switching drive projectile devices such as a rail gun and coil gun. Other  HV stuff stuff includes voltage multipliers, Van de Graaff generator, Jacobs ladder, lifters and other high voltage supplies. Various lasers including a homemade ultraviolet nitrogen laser, NdYAG, HeNe and CO2Magnetohydrodynamic drive, 800 A spotwelder.  Also miscellaneous electronic projects and a few half baked ideas...

    June 2007. Check out the What's New Blog for details.  Recent highlights include the Dalek cage, exploding the Easter Bunny, swimming with 100,000 volts, video of car theft protection, rotating breakout point giving the "Eye of Sauron" and a sparks for beginners project with only 3 components.

Favourite pictures:  (out of 950 in this site)


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Above shows "Tesladownunder car theft protection". You must see the video as well for a laugh.

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Above shows a Tesla coil with rotating long breakout point looking dramatic on time exposure of 22 seconds. The "Eye of Sauron"The two photos above have been seen by perhaps 500,000 people worldwide now in Feb 2007 and resulted in well over 50,000 hits to my site. My ISP ran out of bandwidth and had to shut me down for a day after 330 GB transfer. It was featured on some big sites and hundreds of blogs and was also popular in Russia and Japan.  (For printing, 6 megapixel uncropped versions of most photos are available at a small charge - email me).

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Above, the "Aura of Sauron".  See how it was done. No "photoshopping" anywhere on this website.

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Above, swimming with 100,000 volts. Sure it's safe.  Tin hats protect you. Only do this at home.

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Above, the Dalek cage. Just what you need to get up close and personal with lotsa volts.

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Above, exploding the Easter Bunny - because I can (and the foil wrapping is conductive).

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Above: The capacitor bank is discharging 3 kJ in to some steel wool for more impressive sparkler effects.


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Above: Lots of spark pictures from 30,000 to 100,000 volts.


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Above, Tesla coils from small to large.


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Above, some unusual solid state Tesla coils on the left using SIDACs instead of a spark gap, centre using a Royer circuit and on the right a vacuum tube based coil and its sparks .

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The big capacitor bank is running at huge powers now and is great for exploding wires.


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Above, from left to right: an electronic art piece, homemade computer plotter and a solar model car.


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Above on the left is my new lifter with neon lights installed.  Center shows a run outdoors and the right shows the installation in a science museum.

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Above on the left is a much stronger lifter running on 80 kV lifting its own weight. The right photo shows 4.5 inch sparks if overdriven.


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Above left is my magnetic levitation display running, centre is a coil levitated and on the right is hydrogen/chlorine ignition at the back of my model boat with magnetohydrodynamic drive. 


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Above left is aerogel, the worlds lightest solid - "frozen smoke" and right is the bizarre ferrofluid.

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On the left above is my home made Nitrogen laser  with the beam in Fluorescein.  The center picture shows the Nitrogen laser diffraction pattern.  The laser is ultraviolet but shines up with a blue fluorescence on white paper.  The right picture shows green 5 mW diode and red HeNe 10 mW beams grazing the camera.


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On the left is my son with a blue laser burning the garage roof.  (Actually a small alcohol flamethrower).  The center photo shows a real blue laser parallel to a HeNe red beam. On the right is a pattern from a laser beam modulated by two mirror galvanometers.


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On the left: "Beam me up, Scotty" to far away galaxies... The argon laser beam is modulated by two mirror galvanometers.  The center photo shows the dramatic effects by making a smoke tunnel with a circular beam.   On the right is a pattern from the beam through a diffraction grating showing the multiple spectral lines.


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Above left shows the 800 amp spotwelder flash. Centre is the flyback supply. Right is a battery operated Candy box HV supply using old camera and TV parts.


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Above left is liquid nitrogen in the pool. Right photo shows the dangerous stunt of putting my hand in liquid nitrogen.

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Above left is a banana hammer for hammering in small nails.  The banana becomes hard and brittle at liquid nitrogen temperatures. On the right is a flower made glass like and brittle.

  
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Above left is tonic water under UV light. Centre is a scorpion fluorescing under UV and on the right a handful of uranium glass marbles.


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  To the left is the completed railgun. Centre is a Handpowered coilgun and to the right a Spud gun.


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Above. Can crushing with magnetic induction upgraded and now tears the can apart with 40,000 A. 

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Above. The bigger can crusher at currents of 80,000 A will tear it in thirds, or in a spiral depending on the shaped of the work coil.

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Above, the technical stuff about measuring the very high current pulses. The center photo shows an early coin shrinking attempt and the right photo shows amazing shrinkage of a 1 yen coin. You can still see the Japanese characters miniaturized. Bonsai for coins.

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Above, Magneforming is the use of extreme magnetic fields to form a metal sheet over an object.


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Above, rewiring a microwave oven into a useful HV supplyPower supply 1971 style.

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Above, a Jacob's ladder and a Voltmeter to measure 60 kV +. On the right, some sparks viewed end-on.


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Above, strange behavior of high voltage. Woodburn fractals, the arc-repellant screwdriver and plasma in a magnetic field.

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Can you work out what these have to do with high voltage or magnetism?  Left, center or right for the answers.


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More strange behavior of high voltage. Electrostatic levitation of non conductive (deionised) water and arcs onto a water surface.


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High speed photos of Tesla coil sparks showing detail of events in time after the spark (left), before the main spark (center) and details of the polarity of each trailing spark. Ordinary photos perhaps, until you consider that the time difference between each spark in the left photo is 5 millionths of a second.


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One volt can be impressive too (at 533 amps). Spinthariscope made from around the house materials to view alpha particle activity.  Internals of a 120 kV x-ray head.

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Above is a Geiger counter registering high counts from a Uranium ore sample. The graph shows background radiation counts from my home.


 
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The amazing Marinov motor (two ball races and an axle) at 1223 RPM and 165 A.  On the right is an incredibly simple homopolar motor which runs at 5000 RPM and takes seconds to assemble.


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On the left is a magnetic sensor array. Dull at rest but gives on the center and right gives interesting mapping of unusual fields on movement.


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Above shows a vortex ring launcher. Lots of fun and a unique opportunity for basketball players.


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More vortex ring  shots giving unusual effects like the "UFO" in the center.


 
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More unusual spark effects from a very large light globe and a spark playing over a magnet in water. A laser scanner gives interesting effects.

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Above: Comet McNaught photo which made it to page 3 in our local paper.


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Above, meet some friendly visitors to our rural property .

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Above left, Big Day Out 2005 with Syd Klinge and his 100KVA coil in Australia.  Right photo is the same concert in 2006 with Carlos and his twin coils with two performers.

Favourite videos:

Magnetic levitation showing the magnet rotating in the air and a Tesla coil in action.

This is a rather technical site. The glossary may help.

Want a display? I now have 5 running displays in science museums or physics departments in Western Australia. I am happy to provide advice, contribute to, or construct displays relevant to my areas of expertise for local use. By their nature many displays need ongoing servicing so local Western Australia is probably the only feasible area.  Costs are reasonable and open to discussion.  This is not my day job so it helps if it gets my interest and has a challenge.  Email address is pterren@iinet.net.au

Disclaimer:
This is dangerous stuff. Your first touch of live primary Tesla coil voltage (8,000 volts) has a good chance of being fatal depending on circuit paths and peak current. The secondary voltage (500,000 volts) is less dangerous due to lower currents but will still cause burns with less pain than low frequency current.  High voltage capacitors as used with the can crusher are even more dangerous with many times a lethal charge.  The capacitors from defibrillators are actually designed to stop your heart.
The Dept of Energy Safety has approved the Tesla coil equipment but see
Misc for details as they are not plugged directly into the mains but rather pass through a 50 V AC stage. 
Read and enjoy the information here.  Do not attempt any of this unless you have read everything you can about it here and elsewhere and you have a clear and fool proof plan for safety.  See further info in
Misc

Tesla Coil Ring
© 2007 WebRing Inc.
Tesla Coil Ring
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Visit a complete list of WebRing memberships here

The big photo above was the top of 11,000 Google Tesla coil images from May - Oct 2005 and Jan - July 2006.
This was the top site in the Tesla Coil WebRing (261 active members) in April 2003.
This was the top site in the High Voltage WebRing (23 members) from June 2003 through to Jan 2004.
This was the top site in the Spud cannons of the internet Webring (20 members) for 9 of 12 months to Aug 05.
This was the top site in the Mad Scientists WebRing (23 members) in October 2004, July to Sept 2005. 
          My insanity is confirmed!
This was the 2nd top site in the Lasers, optics and holography Webring (20 members) in May 2004.
This was the 8th top site in the Australian electronics Webring (54 members) in March 2004.
This was the 3rd top site in the Fun Science WebRing (46members) in Aug 2005. ..but surely this is fun?

My picture in our local paper photo competition (Sunday Times circ 365,000).  It had 5000 entries in 2 categories with 40 photos published in each and I won one of them in August 2005.  Prize was a AUD$2000 Nikon D70s digital camera. The same photo won a prize from ACDSee picture software in 2003. It was also featured in Australian Medicine May 2003.
This site has 950 photos in 33 pages and is over 250 MB
.
This page
is being updated frequently ( last June 10, 2007 ) so feel free to visit again.

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Hey buddy, got a dime? This is expensive stuff. If you care to donate US$10 towards further projects I would be most grateful and will provide an acknowledgement on this page. I will also endeavor to spend 1 hour working on the page topic of your choice. Talk about cheap labor. No I won't make that intergalactic beam weapon for that amount but email me and we can discuss things.

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Trackback 90 Comment 3
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