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: 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!
David.Lightman (55)
jonny5 (41)


Next birthdays
04/19 Nicko (57)
04/20 gentoo_daemon (43)
04/21 kilovolt (50)
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 :: Electromagnetic Projectile Accelerators
4hv.org :: Forums :: Electromagnetic Projectile Accelerators
Electromagnetic Projectile Accelerators Forum
 1 2 3 4 5 6 7 8 9 10  last
Create a new topic
  Topic Starter Replies Views Last Post
No new posts on popular topic
1 stage CG, thyristor, I need repeated fire? (circuit help) Go to page: 1 2
PlayNice
Wed Apr 10 2013, 09:26PM		 13 4274 Steve Conner
Wed Oct 09 2013, 09:18AM
No new posts on popular topic
What determins the top speed of the railgun? is it when watts = friction? Go to page: 1 2 3
PlayNice
Thu Oct 03 2013, 08:31AM		 21 4672 BigBad
Tue Oct 08 2013, 02:19PM
No new posts on popular topic
Coil construction Go to page: 1 2 3
Yandersen
Mon Mar 11 2013, 10:02PM		 23 7442 Ash Small
Tue Oct 01 2013, 07:05PM
No unread posts
Tips to making an efficient coilgun coil without a chronograph
jpoopdog
Wed Jun 26 2013, 11:30AM		 4 3331 Wizzup
Wed Sept 18 2013, 11:56AM
No unread posts
(WIP) My Second coilgun, this time refined and made with effort! Mind helping me out?
jpoopdog
Tue Sept 17 2013, 01:39PM		 2 2073 Sulaiman
Tue Sept 17 2013, 05:06PM
No unread posts
NEW CG found: Future Weapons
Maxwell
Sat Sept 14 2013, 03:36PM		 3 2697 PYLEMET-mk2
Sat Sept 14 2013, 09:47PM
No unread posts
Bulk photo flash caps
Fnord
Sat Aug 24 2013, 04:53PM		 5 2056 Fnord
Sun Aug 25 2013, 07:36PM
No new posts on popular topic
Why can switched reluctance motors acheive high efficiency when coilguns cannot? Go to page: 1 2 3
Yanom
Tue Jul 16 2013, 02:58AM		 22 5004 BigBad
Sat Aug 24 2013, 12:06PM
No new posts on popular topic
Full-Auto Coilgun Go to page: 1 2
Saz43
Tue Jul 30 2013, 01:53AM		 11 5753 ElectronicBob
Thu Aug 08 2013, 08:45AM
No unread posts
Fully portable ETG-rifle
Gunner
Thu Jul 18 2013, 05:07PM		 6 2570 Yandersen
Mon Jul 22 2013, 04:01PM
No new posts on popular topic
My first 'real 'coilgun Go to page: 1 2 3 4
Hanzie
Sat Dec 08 2012, 04:38PM		 38 8871 Hanzie
Thu Jul 11 2013, 09:05PM
No new posts on popular topic
New Coilgun Project Go to page: 1 2 3 14 15 16
Saz43
Sun Nov 07 2010, 06:04AM		 154 44367 Saz43
Tue Jul 02 2013, 04:26PM
No unread posts
Barrys RLC sim
Thomas W
Fri Jun 21 2013, 10:49PM		 8 2391 Thomas W
Mon Jun 24 2013, 08:31PM
No unread posts
Wanted: Railgunners in Denver (to work with, or to sell to)
Gomez
Mon May 13 2013, 10:21PM		 2 1577 Gomez
Mon May 20 2013, 04:29PM
No unread posts
railgun questions!
alf
Fri May 11 2012, 11:17AM		 7 2878 Forty
Sat May 18 2013, 05:48AM
No new posts on popular topic
Bullet shaping Go to page: 1 2 3
Yandersen
Thu Feb 07 2013, 02:16AM		 24 5737 lauriethepigeon
Fri May 17 2013, 11:32AM
No unread posts
A whole bunch of questions about electromagnetic acceleration for the experts
Bruhathkayo
Mon Sept 17 2012, 02:20PM		 7 2397 lauriethepigeon
Fri May 17 2013, 11:22AM
No unread posts
Should I re-buss my cap bank?
FastMHz
Sat Mar 10 2012, 04:28PM		 8 2445 Gomez
Wed May 08 2013, 10:56PM
No unread posts
Coil
Njubster
Sat Apr 20 2013, 07:26PM		 7 1862 Njubster
Sat Apr 27 2013, 06:28PM
No new posts on popular topic
Forumula for calculating the force on a coilgun's projectile? Go to page: 1 2 3
Yanom
Thu Mar 07 2013, 01:35AM		 28 5851 BigBad
Wed Apr 03 2013, 06:20PM
No new posts on popular topic
Theoretical improvements for ETG? Go to page: 1 2 3
Ash Small
Sat Mar 02 2013, 07:57AM		 23 4216 Andy
Tue Mar 26 2013, 07:17AM
No new posts on popular topic
Barrel material Go to page: 1 2
Maj
Thu Jan 10 2013, 01:02PM		 16 3816 Forty
Sun Mar 24 2013, 01:52AM
No new posts on popular topic
Yanom's FEMM program for simulating coilguns and calculating efficiency. Go to page: 1 2
Yanom
Wed Jan 30 2013, 03:35AM		 13 3592 DerAlbi
Tue Mar 05 2013, 05:58AM
No new posts on popular topic
1kJ Electrothermal gun (ETG) Go to page: 1 2 3 7 8 9
MrFlatox
Fri Jan 11 2013, 01:06PM		 83 35555 MrFlatox
Sun Mar 03 2013, 08:26AM
No new posts on popular topic
Crazy 10kJ coilgun in youtube Go to page: 1 2
Wizzup
Sun Feb 24 2013, 04:52PM		 11 4506 Maxwell
Wed Feb 27 2013, 04:19AM
 1 2 3 4 5 6 7 8 9 10  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.