Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 25
  • 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!
Avi (41)
Jannick Hagen (15)


Next birthdays
07/10 Sparcz (69)
07/11 Bfeigum (35)
07/12 genious 7 (32)
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 Chatting
« Previous topic | Next topic »   

Post Your Cool Pic Here!

Move Thread LAN_403
Avalanche
Thu Dec 01 2011, 03:32PM
Avalanche Registered Member #103 Joined: Thu Feb 09 2006, 08:16PM
Location: Derby, UK
Posts: 845
Here's one from a few months back, that I just uploaded to youtube cheesey



Link2
Back to top
dmg
Thu Dec 08 2011, 06:40PM
dmg Registered Member #2628 Joined: Fri Jan 15 2010, 12:23AM
Location:
Posts: 627
Its not an uncommon occurance in this hobby; parts fail, sometimes violently, but when they don't get completly destroyed, thier insides are interesting:

1

IGBTinternals013

IGBTinternals004

IGBTinternals017

Back to top
Fabio
Fri Dec 09 2011, 05:47PM
Fabio Registered Member #122 Joined: Fri Feb 10 2006, 12:55PM
Location: Milano Italy
Posts: 148
Turning a cheap unknown radiation sonde (4€ on a flea market!) in a PC based multichannel analyzer! suprised

Th

Th

Th

Th

Th

Th

Th

Th

Th



Playing with RADIOACTIVITY smile

Th
Back to top
Dalus
Sat Dec 17 2011, 09:36AM
Dalus Registered Member #639 Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512
I think we need more cool pics so:

6524763479 9d63facc77
Me vs Resonant Rise by roy.piepers, on Flickr
Back to top
Hazmatt_(The Underdog)
Sat Dec 24 2011, 10:03PM
Hazmatt_(The Underdog) Registered Member #135 Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
Haven't posted much in a long time now, but I have been busy with work and other things.

My cool pic is my low power "drawer" amplifier, which is an amplifier that fits in a storage drawer and can be pulled out to test power combiners, drive higher power amps, couplers, etc.
I am working on a series of amplifiers to cover a wide range of frequency responses so I can stepwise characterize impedances of Tesla Coils and such.

Here are the prototype "brass board" amp, maxes out at 70W rms in its midband, and typically outputs up to 50W spanning 100KHz to 900KHz.
And the pseudo-finished WB-1 amplifier which typically delivers 20W across its powerband. My power goal was at least 25W in this package size, which is a huge amount of power
compared to other amps on the market which deliver 1W or so. My WB-1 cannot deliver the 30-50W the prototype can because I over-estimated what the supply could deliver, in short the amplifier is a victim of supply "sag". But that's fine, I don't need much power to characterize combiners, splitters, or drive HPA's, and this is a good start as a piece of standardized equipment in my arsenal.

-Matt
004f
Back to top
Download
Sun Dec 25 2011, 02:41AM
Download Registered Member #561 Joined: Sat Mar 03 2007, 02:46AM
Location: Adelaide Australia
Posts: 230
Dr. Spark wrote ...

Nice gun!

Ahhhhh sounds like its time to move….uggggggggggggg Do you have an alarm system in your house?

OK you got me excited. Here a cool pic for you…just in case you are wondering if the new Archangel M1A Precision Stock @ Link2 fits a Springfield M1A. After three hours of very careful filing, this new stock just fits snug and tight. Cannot wait till this weekend to try it out indeed! Here turkey, hee hee!

1321937121 290 FT6000 New Stock


You Americans and your guns.

I have to wait 3 months for my gun licence to clear, then I can only have some less cool toys than you
Back to top
GluD
Thu Dec 29 2011, 09:23PM
GluD Registered Member #1221 Joined: Wed Jan 09 2008, 06:17PM
Location: Odense, Denmark
Posts: 196
Hello

I recently finished my plasma sphere so here is some pictures.

If you think the front and top of the wood box seem to be lose it is because they are, so I can take the glass out and re-fill it with Neon or Argon and play with diffrend pressures. It only takes a few minutes to re-fill it and have a completely diffrend plasma. Very amusing in my opinion.


1325193487 1221 FT6000 001

1325193487 1221 FT6000 Plasma Sphere Arne 1
Back to top
Kizmo
Wed Jan 04 2012, 11:01PM
Kizmo Registered Member #599 Joined: Thu Mar 22 2007, 07:40PM
Location: Northern Finland, Rovaniemi
Posts: 624
Interesting how this spark has loop and small streamers
1325718086 599 FT6000 Marx1

1325718086 599 FT6000 Marx2


Ah yeah, 640kV bipolar marx
Back to top
Avalanche
Tue Jan 17 2012, 10:05PM
Avalanche Registered Member #103 Joined: Thu Feb 09 2006, 08:16PM
Location: Derby, UK
Posts: 845

1326837898 103 FT6000 Bigass Capacitor
Back to top
Killa-X
Fri Jan 20 2012, 01:39AM
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
Dell...You have failed me.
1327023545 1643 FT6000 Cimg5177
Back to top

Moderator(s): Chris Russell, Noelle, Alex, Tesladownunder, Dave Marshall, Dave Billington, Bjørn, Steve Conner, Wolfram, Kizmo, Mads Barnkob

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.