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#166960 - 08/02/07 03:22 PM solid-state tesla coil
Alan Belson Offline
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Registered: 03/23/05
Posts: 1803
Loc: Mayenne N. France
Found this! cool
http://www.youtube.com/watch?v=3ff_AXVlo9U

Read the full info alongside the video.

Alan




Edited by Alan Belson (08/02/07 03:24 PM)
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#166998 - 08/03/07 01:37 PM Re: solid-state tesla coil [Re: Alan Belson]
Kenbo Offline
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Registered: 04/07/06
Posts: 233
Loc: Scotland
Cool

I have just been reading up about our man Tesla
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#167318 - 08/10/07 07:46 AM Re: solid-state tesla coil [Re: Kenbo]
DougW Offline
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Registered: 06/08/03
Posts: 1143
Loc: North Chicago, IL
Duckon is a Science Fiction convention I used to attend in the western 'burbs of Chicago.
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#167342 - 08/10/07 03:18 PM Re: solid-state tesla coil [Re: DougW]
jraef Offline
Member
Registered: 07/21/04
Posts: 93
Loc: San francisco, CA, USA
It's not what you think. The sparks were not "generating" the tones, they were just triggering a pre-programmed set of tones already put together phonically. That's why everything seems to fit nicely from a musical standpoint, just the rhythm is erratic.

It's the same idea as the juggler who appears to be "playing" music by bouncing balls on a keyboard on the ground in front of him. If you watch closely, the balls just hit the keyboard in random areas, not specific keys. So the only thing he need to control is the rhythm.
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#167377 - 08/10/07 10:40 PM Re: solid-state tesla coil [Re: jraef]
sparkyinak Offline
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Registered: 07/08/07
Posts: 1307
Loc: Alaska
Punch in Nikola Tesla in a search engine and you will find some interesting links. There are societies out there that worship the ground he walked on. He was indeed an interesting person and even on the Yugoslavian 100 Dinar. His research has been instrumental in our lives yet many do not even know who he was. Many of his inventions were credited to other like radio waves. It was not Macroni, it was Tesla.


Edited by sparkyinak (08/10/07 10:47 PM)
Edit Reason: itchy trigger finger. Went for preview button and missed Doh!
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#167400 - 08/11/07 06:12 PM Re: solid-state tesla coil [Re: sparkyinak]
jraef Offline
Member
Registered: 07/21/04
Posts: 93
Loc: San francisco, CA, USA
Agreed. Tesla is the unsung hero of the modern world if you ask me. The development of AC power, which we really owe to him, is the thing that made electricity an almost universal commodity. If Edison had been allowed to prevail, we would be using DC power which, because of the limited transmission distances, would have meant a lot of very expensive power generation stations all over the place. This would have made electricity so expensive so as to be only accessible to the wealthy or to industry.

Of course, maybe we would all be healthier now because in order to run our PCs at home, we would need to be pedaling a generator bike!
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#167409 - 08/11/07 09:19 PM Re: solid-state tesla coil [Re: jraef]
resqcapt19 Offline
Member
Registered: 11/10/00
Posts: 2148
Loc: IL
Jeff,
Quote:
If Edison had been allowed to prevail, we would be using DC power which, because of the limited transmission distances, would have meant a lot of very expensive power generation stations all over the place.

ABB does not agree.
Quote:
HIGH VOLTAGE DIRECT CURRENT (HVDC) TECHNOLOGY HAS
characteristics that make it especially attractive for certain transmission applications. HVDC transmission is widely recognized as being advantageous for long-distance bulk-power delivery, asynchronous interconnections, and long
submarine cable crossings.

In the past the ability to convert AC to DC and back as well as problems in increasing the voltage did cause problems with long distance DC transmission. These problems have been overcome and there are less line losses in DC transmission lines than in AC lines.
Don
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#167416 - 08/12/07 12:12 AM Re: solid-state tesla coil [Re: resqcapt19]
Alan Belson Offline
Member
Registered: 03/23/05
Posts: 1803
Loc: Mayenne N. France
Edison DC world. We would have electric lights and possibly the radio and I'd be tapping this out in morse code. Would we be at the same level of technology with a dc system?
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#167423 - 08/12/07 08:56 AM Re: solid-state tesla coil [Re: Alan Belson]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
Sometime in the late70s/early 80s we finally reached a point in our technology where a DC system might actually work. The first thing your TV, PC or most "transformerless" power supply electronics is convert the line voltage to 170vdc or so where it is chopped up into 20kz or so and dropped in little torroids to the voltage you need.
The flaw in Edison's system is they did not have the semiconductors to do that.
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#167556 - 08/15/07 08:46 AM Re: solid-state tesla coil [Re: gfretwell]
sparkyinak Offline
Member
Registered: 07/08/07
Posts: 1307
Loc: Alaska
A few years ago I heard about HVDC transmission and it sounds promising. Howerever it came 100 years too late. Sorry Mr . Edison It could be benificial for developing countries and even in our country with replacing of old infrastructure. I could google it, but does any one have reliable info on HVDC transmission?
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