Remember me

[ ]
[ ]
Guests: 15, Members: 2 ...
Myke viewing forum.php
Sulaiman viewing forum.php

most ever online: 333
(Members: 3, Guests: 330) on 06 Jun : 15:15

Members: 2900
Newest member: DesmondD
Members Birthdays:
One birthday today, congrats!
Sonic (49)

Next birthdays
11/30 arnsfelt (36)
11/30 jaysun92 (23)
12/02 Hax (30)
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!
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.
Science and Technology ( Restricted Access )
Forum Threads Replies Last Post
General Science and Electronics
This board is for anything that doesn't fit the categories below, but still falls under the realm of science or electronics.
17876 33680 Tue Nov 24 2015, 08:56AM
High Voltage
Post here regarding high voltage. This includes Marx generators, cascades, flybacks, and more. Please use the "Tesla coil" forum for Tesla coils.
12254 26249 Sun Nov 29 2015, 11:11AM
Tesla Coils
This is the dedicated Tesla coil board. If it has to do with Tesla coils, post it here. Air-cored resonant transformers only, please!
16694 31800 Sun Nov 29 2015, 05:07AM
Electromagnetic Radiation
This group of boards is for anything having to do with electromagnetic radiation. This would include RF energy, HERF, EMP, lighting, and optics.
2051 4498 Mon Nov 23 2015, 04:34AM
Electromagnetic Projectile Accelerators
This board is for devices that use electromagnetic energy to accelerate a projectile. Rail guns and coil guns welcome!
5075 8865 Thu Nov 12 2015, 09:05AM
Everything chemistry-related goes here, including pyrotechnics, endothermic and exothermic reactions, combustion, and decomposition. Note that illegal explosives are not an acceptable topic of discussion.
1678 2964 Fri Sep 25 2015, 07:26AM
Computer Science
This is where to post everything computer-related, such as hardware, software, and programming. PICs and BASIC Stamps welcome!
1864 2955 Sat Nov 14 2015, 09:47AM
Mads Barnkob
This is a place where members can showcase their latest projects. Check here to see what new and exciting things our members have been working on!
5593 10620 Sat Nov 28 2015, 08:41PM
Chatting and Socializing ( Restricted Access )
Forum Threads Replies Last Post
General Chatting
Want to chat about something not covered by any of the other boards? This is the place to do it. Please remember that most of the site rules still apply here.
14730 25503 Wed Nov 25 2015, 02:48PM
Hazmatt_(The Underdog)
Sale and Trade
This board is for the sale and trade of items related to *any* area of science. You can sell items here, or announce an ebay, amazon, etc. auction.
2525 3913 Sat Nov 28 2015, 12:08PM
Site Discussion and Utilities ( Restricted Access )
Forum Threads Replies Last Post
HvWiki Discussion
Discuss the HvWiki here. Coordinate your efforts with others, or point out interesting articles. If you have a question about the wiki, or would like to register, use this board.
23 69 Sun Nov 01 2015, 09:31PM
Ross Allan
This is the place to post attachments that you'd like to include in other threads. Remember, images and files uploaded to this section are for use on the forum only!
387 1729 Sat Nov 21 2015, 03:55AM
Suggestion Box
Your opinion matters. No, really! If you would like to see something changed, or you just have a suggestion, post it here. We'll talk about it, and you just may change things for the better!
76 277 Sat Apr 25 2015, 09:20AM
Archive Discussion
This board is for pointing out good threads that are found in the archives, located at and . Please remember, this board is for archive-related discussion only! For actual discussion of the topics, use one of the other boards.
6 4 Sun Apr 12 2009, 10:48PM
Chris Cristini
Top Posters | Most Active Threads
Welcome guest
These forums can only be posted to by registered and logged in members, please click here to go to the registration page.
The users of this forum have made a total of 171365 posts (17376 threads, 153989 replies).
Who's Online: Myke, Sulaiman.
View detailed list. (Will open a new window.)
New Posts New posts No New Posts No new posts Closed Thread Closed forum

You cannot start new threads - You cannot post replies - You cannot edit your posts
Powered by e107 Forum System
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.