Main Menu
bullet Home
bullet Forum
bullet Members
bullet Member Map
bullet HvWiki
bullet Chat Room
bullet Submit News
bullet Site Rules
bullet Archives
bullet Visits
bullet Forum
Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 19
  • 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!
Linas (34)
Toasty (29)


Next birthdays
05/15 Linas (34)
05/15 Toasty (29)
05/16 kg7bz (68)
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.
Forums
4hv.org :: Forums :: General Science and Electronics
4hv.org :: Forums :: General Science and Electronics
General Science and Electronics Forum
first  11 12 13 14 15 16 17 18 19 20  last
Create a new topic
  Topic Starter Replies Views Last Post
No unread posts
Possible new particle at LHC
Conundrum
Tue Jan 05 2016, 08:02PM		 9 900 DerAlbi
Thu Jan 07 2016, 01:46PM
No unread posts
Parts from a AGFA CompactPlus xray film developer
Mads Barnkob
Wed Dec 30 2015, 10:47PM		 5 696 Mads Barnkob
Wed Jan 06 2016, 08:28PM
No unread posts
[moved] IGBT module for induction heater
Claude
Wed Jan 06 2016, 08:33AM		 2 894 Mads Barnkob
Wed Jan 06 2016, 11:47AM
No unread posts
5kW VFD tear down and exploded IGBT macro shots
Mads Barnkob
Mon Jan 04 2016, 10:02PM		 7 1367 DerAlbi
Tue Jan 05 2016, 08:37PM
No unread posts
x-ray device with floating cathode, connection problems.
Subzero01
Sat Dec 26 2015, 12:10AM		 6 1192 Subzero01
Sat Jan 02 2016, 11:30PM
No new posts on popular topic
practical tips for optical interferometry Go to page: 1 2 3
Dr. Slack
Mon Jul 27 2015, 03:16PM		 21 2797 hboy007
Mon Dec 28 2015, 01:05AM
No unread posts
Instability in a Flowing Soap Film
Russ Edmonds
Fri Nov 13 2015, 12:38AM		 5 1317 Signification
Sun Dec 27 2015, 10:45AM
No unread posts
Quiz bowl circuit
G^3
Sat Dec 19 2015, 01:08PM		 3 994 G^3
Tue Dec 22 2015, 05:23AM
No unread posts
3D FEA software for field analysis.
Patrick
Sat Dec 19 2015, 08:55PM		 3 804 2Spoons
Mon Dec 21 2015, 12:52AM
No new posts on popular topic
nice hot blue laser-like burning beam Go to page: 1 2
kiat
Fri May 08 2009, 01:40PM		 15 2388 Patrick
Fri Dec 18 2015, 08:52PM
No unread posts
Z700U Trigger tube 12 Hour Nixie Clock
TwirlyWhirly555
Fri Dec 18 2015, 12:57PM		 1 864 TwirlyWhirly555
Fri Dec 18 2015, 12:57PM
No unread posts
Help identifying stud diodes and capacitor?
benbmw
Sun Dec 13 2015, 04:29AM		 6 917 radiotech
Thu Dec 17 2015, 06:59AM
No new posts on popular topic
Yeeeeha! Microprocessor controlled induction heater Go to page: 1 2 3 4 5 6
IamSmooth
Mon Mar 15 2010, 01:57AM		 57 17634 IamSmooth
Mon Dec 07 2015, 01:24AM
No new posts on popular topic
CAPACITOR-TO-CAPACITOR CHARGING EFFICIENCY LIMITS Go to page: 1 2
Signification
Thu Dec 03 2015, 12:57PM		 12 1610 DerAlbi
Fri Dec 04 2015, 02:29PM
No new posts on popular topic
Orbits... Go to page: 1 2
Slava
Sun Nov 29 2015, 06:24PM		 15 2802 BigBad
Thu Dec 03 2015, 06:09PM
No unread posts
probability distribution of chopped sage
Dr. Slack
Mon Nov 30 2015, 05:14PM		 9 959 Uspring
Thu Dec 03 2015, 12:20PM
No new posts on popular topic
Mercury metal price experiences? Go to page: 1 2 3 4
klugesmith
Fri Dec 04 2009, 10:41PM		 33 4347 Ash Small
Wed Dec 02 2015, 10:44PM
No unread posts
3D Printing an Etch Mask for Circuit Boards.
Patrick
Wed Dec 02 2015, 04:08AM		 4 801 Patrick
Wed Dec 02 2015, 08:11AM
No new posts on popular topic
Current per Unit of Area in a Transformer or inductor turn. Go to page: 1 2 3
Patrick
Sun Nov 22 2015, 07:46PM		 22 2092 Patrick
Tue Dec 01 2015, 06:43PM
No unread posts
[moved] EMP BOX - Chassis design
Slava
Sun Nov 15 2015, 05:36PM		 2 701 Signification
Wed Nov 18 2015, 12:15AM
No unread posts
great watch making documentary... What watches do you own or love? ...
Slava
Sat Nov 14 2015, 11:47PM		 1 791 Slava
Sat Nov 14 2015, 11:47PM
No new posts on popular topic
Voltage limit of this probe? Go to page: 1 2
ZakWolf
Sat Oct 31 2015, 10:01AM		 10 2298 ZakWolf
Tue Nov 03 2015, 03:25AM
No unread posts
The effect of Reynolds number on a 2D incompressible viscous flow around a cylinder
Russ Edmonds
Thu Oct 15 2015, 05:46PM		 1 798 Russ Edmonds
Thu Oct 15 2015, 05:46PM
No unread posts
Point vortex dynamics animation with tracer particles and music
Russ Edmonds
Thu Oct 01 2015, 04:44PM		 2 982 BigBad
Sat Oct 10 2015, 03:08AM
No new posts on popular topic
Was 14V LED question Go to page: 1 2 3 4 5 6
Uspring
Mon Sept 28 2015, 09:40AM		 50 4218 Ash Small
Fri Oct 09 2015, 10:24PM
first  11 12 13 14 15 16 17 18 19 20  last

Go to:

Create a new topic
Chris Russell, Noelle, Alex, Tesladownunder, Dave Marshall, Dave Billington, Bjørn, Steve Conner, Wolfram, Kizmo, Mads Barnkob users are browsing the forums at the moment ( members, guests)
Unread post exists New posts No unread posts No new posts Sticky Sticky Announcement Announcement
New posts on popular topic New posts [popular] No new posts on popular topic No new posts [popular] Sticky/Closed Sticky/Closed Closed topic Closed topic
You cannot start new topicsYou cannot post repliesYou cannot edit your posts
Powered by e107 Forum System

Go to:


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.