Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 44
  • Members: 0
  • Newest Member: omjtest
  • Most ever online: 396
    Guests: 396, Members: 0 on 12 Jan : 12:51
Members Birthdays:
All today's birthdays', congrats!
Friday (55)
robismor (30)


Next birthdays
07/14 EEYORE (42)
07/14 TeslaJunky (32)
07/16 Gavin (49)
Contact
If you need assistance, please send an email to forum at 4hv dot org. To ensure your email is not marked as spam, please include the phrase "4hv help" in the subject line. You can also find assistance via IRC, at irc.shadowworld.net, room #hvcomm.
Support 4hv.org!
Donate:
4hv.org is hosted on a dedicated server. Unfortunately, this server costs and we rely on the help of site members to keep 4hv.org running. Please consider donating. We will place your name on the thanks list and you'll be helping to keep 4hv.org alive and free for everyone. Members whose names appear in red bold have donated recently. Green bold denotes those who have recently donated to keep the server carbon neutral.


Special Thanks To:
  • Aaron Holmes
  • Aaron Wheeler
  • Adam Horden
  • Alan Scrimgeour
  • Andre
  • Andrew Haynes
  • Anonymous000
  • asabase
  • Austin Weil
  • barney
  • Barry
  • Bert Hickman
  • Bill Kukowski
  • Blitzorn
  • Brandon Paradelas
  • Bruce Bowling
  • BubeeMike
  • Byong Park
  • Cesiumsponge
  • Chris F.
  • Chris Hooper
  • Corey Worthington
  • Derek Woodroffe
  • Dalus
  • Dan Strother
  • Daniel Davis
  • Daniel Uhrenholt
  • datasheetarchive
  • Dave Billington
  • Dave Marshall
  • David F.
  • Dennis Rogers
  • drelectrix
  • Dr. John Gudenas
  • Dr. Spark
  • E.TexasTesla
  • eastvoltresearch
  • Eirik Taylor
  • Erik Dyakov
  • Erlend^SE
  • Finn Hammer
  • Firebug24k
  • GalliumMan
  • Gary Peterson
  • George Slade
  • GhostNull
  • Gordon Mcknight
  • Graham Armitage
  • Grant
  • GreySoul
  • Henry H
  • IamSmooth
  • In memory of Leo Powning
  • Jacob Cash
  • James Howells
  • James Pawson
  • Jeff Greenfield
  • Jeff Thomas
  • Jesse Frost
  • Jim Mitchell
  • jlr134
  • Joe Mastroianni
  • John Forcina
  • John Oberg
  • John Willcutt
  • Jon Newcomb
  • klugesmith
  • Leslie Wright
  • Lutz Hoffman
  • Mads Barnkob
  • Martin King
  • Mats Karlsson
  • Matt Gibson
  • Matthew Guidry
  • mbd
  • Michael D'Angelo
  • Mikkel
  • mileswaldron
  • mister_rf
  • Neil Foster
  • Nick de Smith
  • Nick Soroka
  • nicklenorp
  • Nik
  • Norman Stanley
  • Patrick Coleman
  • Paul Brodie
  • Paul Jordan
  • Paul Montgomery
  • Ped
  • Peter Krogen
  • Peter Terren
  • PhilGood
  • Richard Feldman
  • Robert Bush
  • Royce Bailey
  • Scott Fusare
  • Scott Newman
  • smiffy
  • Stella
  • Steven Busic
  • Steve Conner
  • Steve Jones
  • Steve Ward
  • Sulaiman
  • Thomas Coyle
  • Thomas A. Wallace
  • Thomas W
  • Timo
  • Torch
  • Ulf Jonsson
  • vasil
  • Vaxian
  • vladi mazzilli
  • wastehl
  • Weston
  • William Kim
  • William N.
  • William Stehl
  • Wesley Venis
The aforementioned have contributed financially to the continuing triumph of 4hv.org. They are deserving of my most heartfelt thanks.
Search 4hv.org
Search For:    Enhanced Query Form
Must contain word(s)
Must not contain word(s)
Exact Phrase
Word(s) beginning with
Search In:
 
Select forum
Date posted
 
By author
Match in

Results 771 - 780 of 3952 in Forum
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    I found a patent for the so-called "plasma pencil". I didn't have time to read it yet, but just skimming through it, it looks very simple. http:/...
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    I thought plasma was extremely hot?
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    ...formation on the design and construction of their plasma torch (as demonstrated on the you tube video you've linked to for example). Maybe they've g...
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    ...icrowaves may be helpful. I've seen several "plasma pencil" type devices that are said to operate at atmospheric pressure, but IIRC, they all nee...
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    Absence of ozone production (as suggested by Pinky above) and room-temperature plasma temperature are the reasons given for choosing helium given in t...
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    ...eakdown doesn't occur. In the case of this plasma pencil thing, the patent says the power supply can supply "AC", "RF" or "regulated voltage pu...
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    ...ster you deposit the energy, the more uniform the plasma. And yes I agree about the ridiculous way that patent is worded. http://ieeexplore....
  • High Voltage | Plasma Pencil

    Posted by AleSeg on Tuesday 14 February 2012 - 03:15:58
    Here's a paper that shows a different configuration for a plasma pencil. The only problem is, in Fig 1, I see the HV electrode, but I don't see w...
  • Projects | Plasma Sphere

    Posted by GluD on Monday 02 January 2012 - 21:08:17
    Did you ground the other end of the HV transformer? When I made a ghetto plasma globe it would only work properly if I had one end grounded to earth. ...
  • Projects | Plasma Sphere

    Posted by GluD on Monday 02 January 2012 - 21:08:17
    As promised here is a picture of a Neon plasma, I think it is much better than the argon. Again I must apologise for the poor quality of the picture...
 
Legal Information
This site is powered by e107, which is released under the GNU GPL License. All work on this site, except where otherwise noted, is licensed under a Creative Commons Attribution-ShareAlike 2.5 License. By submitting any information to this site, you agree that anything submitted will be so licensed. Please read our Disclaimer and Policies page for information on your rights and responsibilities regarding this site.