Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 22
  • Members: 0
  • Newest Member: omjtest
  • Most ever online: 508
    Guests: 508, Members: 0 on 05 Oct : 11:54
Members Birthdays:
One birthday today, congrats!
GhostlyFigures (36)


Next birthdays
10/06 Ivan Kalafatic (17)
10/07 Pyromaniac (34)
10/07 Wavetuner (76)
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 1721 - 1730 of 2632 in Forum
  • Projects | Large DRSSTC

    Posted by Linas on Sunday 29 March 2009 - 19:39:13
    ...ill give some delay. But if i use 1000t on single toroid, it will have enormous L :( I found bug in circuit. Feedback was same as SSTC, so i replace...
  • Projects | Large DRSSTC

    Posted by Linas on Sunday 29 March 2009 - 19:39:13
    5-30ns it's lot ~:-( i guess that my circuit (with IGBT) can give more than 800ns delay !ill also i think to wind on single toroid 200-300T for fe...
  • Projects | Large DRSSTC

    Posted by Linas on Sunday 29 March 2009 - 19:39:13
    i think use 120cm tall, and 30cm diameter secondary. Tesla map show, that wit 26AWG and small toroid i will get 37KHz resonance frequency. Does that s...
  • Projects | Large DRSSTC

    Posted by Linas on Sunday 29 March 2009 - 19:39:13
    ...00 transformer, or i should do 1:33:1:33 from two toroid's ? which is better for phase lead application ? Also, what is best core material for this ...
  • Projects | My first zvs attempt

    Posted by Zee on Saturday 28 March 2009 - 20:20:49
    ... Gotta find/do a replacement for it too. The toroid was ripped from a dead PC PSU and re-wound with a wire from another toroid from the same PSU....
  • Projects | My first zvs attempt

    Posted by Zee on Saturday 28 March 2009 - 20:20:49
    ...ery nice; it looks a LOT better than a lot of DIY toroid inductors I've seen. Do you happen to have its dimensions (outer diameter, inner diameter, he...
  • Projects | Pop can TC

    Posted by semiconductor on Tuesday 24 March 2009 - 18:42:08
    That is really cool, it would make a nice desktop though abit loud. How did you get the pop can toroid so smooth and seamless? Nice job.
  • Projects | Pop can TC

    Posted by semiconductor on Tuesday 24 March 2009 - 18:42:08
    How to make the toroid: http://ygingras.net/b/2007/6/a-better-soda-can-stove I like the coil, so compact its all on the NST haha!
  • High Voltage | ZVS transformer core material

    Posted by Camel on Tuesday 24 March 2009 - 07:18:47
    Hi, I'm building a capacitor charger using a ZVS circuit. I made myself a transformer out of a yellow and white ferrite toroid. After test...
  • General Science and Electronics | Useful link reference and formulas.

    Posted by Arcstarter on Monday 23 March 2009 - 03:29:27
    ...re (in feet) for a given number of turns around a toroid of given dimensions: (T * (OD - ID + 2 * H) + (ML / 2.54))12 Where: -T is number ...
 
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.