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Messages 24 - 53 of 53   Oldest  |  < Older  |  Newer >  |  Newest
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24
One more subject.. Static spark gaps are triggered by some cosmic ray, radioactive particle, UV radiation or random ion floating by.. thus being slightly ...
enqrypzion
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Dec 11, 2008
10:34 pm
25
It was noted in the suggested forum topics that a 100 kHz rotating spark gap is interesting to discuss. Building one of these seems to me to be fairly easy, so...
enqrypzion
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Dec 11, 2008
10:44 pm
26
... First our list would need more than two users! ... A pair of wires is always a waveguide; no metal tubes needed. (Or in Tesla's case, a single wire is a...
Bill Beaty
bjbeaty
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Dec 21, 2008
5:55 am
27
... I think Jeff B. has been planning on building one. Jeff? These are the same "spark gap" techniques used in desktop coils actually sold by Tesla's...
Bill Beaty
bjbeaty
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Dec 21, 2008
7:41 am
28
Has anyone here seen this outfits work on 7(and more)-phase motor technology (among other things): http://www.borealis.gi/ They have locked in Delta Airlines...
maddoggsi
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Jan 14, 2009
2:18 pm
29
This one's a first! If blankets do it, why not VDGs or Tesla coils? ... Last night I was in my son's bedroom pulling apart two polartec blankets. The...
William Beaty
bjbeaty
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Jan 14, 2009
9:06 pm
30
Wow that is superexciting news! This will leave's us a chance to create a reliable experimental setup in which to study the phenomenon. In terms of theory, I...
R.P. van der Hilst
enqrypzion
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Jan 15, 2009
11:31 pm
31
Hello all, Its taken me a while to get around to introducing myself to the list. I wish to thank BillB for inviting me to join here some time ago! My interests...
Chris Swinson
exxos_uk
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Mar 4, 2009
1:27 pm
32
If anyone has done a workup on what it would take (equipment, time, $, etc) to outfit a reasonable lab for recreating Tesla's experiments, I'd love to hear...
rlmarsh7
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Mar 31, 2009
10:35 pm
33
Occasionally i run across tidbits about teslas logic gating technology to create secure radio technology and high frequency circuits but i fail to find any...
ne.x_us
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Apr 4, 2009
7:59 am
34
... Actually this gets into the central Tesla conumdrum ...WHICH experiment's the critical one to replicate? If you choose the wrong one, you become just...
William Beaty
bjbeaty
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Apr 17, 2009
6:18 pm
35
... I'm pretty sure it's his patent for the radio controlled boat. It has the boat circuitry in detail, and I've heard that the boat used logic gates so that...
William Beaty
bjbeaty
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Apr 17, 2009
6:52 pm
36
I can build a Tesla Coil no problem, however I am trying to build one without resonance. Now I can understand for example, 10% coupling will take 10 cycles to...
Chris Swinson
exxos_uk
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Jun 1, 2009
3:50 pm
37
Hi Chris, Let me preface this by saying that time does nor permit me to engage in a long dialog on this. I'll briefly try to address some potential conceptual...
Bert Hickman
bert_hickman
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Jun 1, 2009
5:32 pm
38
Hi Bert, Thanks for your reply. I will print out also read later. All the guy really said was discharge as many joules as fast as possible. Loose couple to...
Chris Swinson
exxos_uk
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Jun 1, 2009
6:55 pm
39
OK Chris, If I get this right you are simply trying to create a very short pulse of high voltage output from a low voltage source. I will dispense with why...
Fred Huff
fmhuff
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Jun 1, 2009
7:58 pm
40
Hi Fred, thanks for the reply, and the link, it looks like something I read a while ago, but will read it again.. what I was told sounds similar, to ramp up a...
Chris Swinson
exxos_uk
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Jun 1, 2009
8:27 pm
41
... This mode of operation seems to crop up in Tesla's stuff, but I've never seen it discussed outright (or discussed by coilers, ever. It seems to be a...
William Beaty
bjbeaty
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Jun 2, 2009
1:29 am
42
Bill, Thanks for that info, I did not even know about the cone coils operating like that. The magnifier really confuses me. I can understand the driver section...
Chris Swinson
exxos_uk
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Jun 2, 2009
7:42 am
43
Chris, one thing important when dealing with information about Tesla and his work. There is a lot of good information out there but it's all jumbled with wacky...
Fred Huff
fmhuff
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Jun 2, 2009
7:04 pm
44
Fred, If a large slow pulse was to create some effect, I doubt it would be anything us mortal people could cook up in our sheds. I have a lot of Tesla's...
Chris Swinson
exxos_uk
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Jun 3, 2009
9:57 pm
45
I have a common problem with my design here. For example, I would presume a high current pulse is better. However in order to obtain a high current pulse, it...
Chris Swinson
exxos_uk
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Jun 4, 2009
1:45 pm
46
I've never exactly understood this.. though if you link to SCR's in series (or mosfets), and they do not switch at exactly the same rates, then would this...
Chris Swinson
exxos_uk
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Jun 4, 2009
2:35 pm
47
... Yes ... Worst case, the slower device would indeed see 100V. If it is only rated for 50V it will likely fail, followed in short order by the remaining ...
Bert Hickman
bert_hickman
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Jun 4, 2009
3:37 pm
48
In a way its just like having a large zener across the IGBT to clamp to 1KV. It just seems a little "hit and miss" to me. I did talk to Terry a while ago...
Chris Swinson
exxos_uk
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Jun 4, 2009
5:33 pm
49
... Fred, If a large slow pulse was to create some effect, I doubt it would be anything us mortal people could cook up in our sheds. I have a lot of Tesla's...
Fred Huff
fmhuff
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Jun 5, 2009
5:30 am
50
... The "Non coil" rule is there to keep Pupman stuff on Pupman. This is really a science list, not an engineering list. If your goal is to build...
William Beaty
bjbeaty
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Jun 5, 2009
6:27 am
51
... In resonance mode, voltage is stepped up via resonant rise, so in resonance mode, a magnifier is not much different than a 2-coil device. ... No, it would...
William Beaty
bjbeaty
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Jun 5, 2009
10:30 am
52
Here's a hilarious archive from the IG-nobel prize people, the A.I.R. http://www.youtube.com/user/ImprobableResearch...
Bill Beaty
bjbeaty
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Aug 16, 2009
5:22 am
53
Hello, Tesla gods, What do you think of this Tesla remake ? Tariel Kapanadze claims he's built a OU device that can drive 5kW. ...
HarishS
kumar_harish...
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Oct 11, 2009
7:10 pm
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