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.
Registered Member #61695
Joined: Sun Jul 16 2017, 11:22PM
Location:
Posts: 31
paulj wrote ...
When a current passes through the human body, resistance decreases with time, so it is possible to feel a strong pain by touching the two terminals of a car battery after a while ... (probably several hours)
Probably because of the skin damage caused by electrolysis. I think this is why things that are meant to pass current through the body (TENS machines etc.) use biphasic pulses (positive and negative).
Registered Member #61824
Joined: Mon Oct 02 2017, 05:38PM
Location:
Posts: 40
Ok so your video is basicly the thing i want to do. I think i can do it with this settup because i am able to touch the arcs from the topload and hold my hand there without it burning me or shockig me badly. I sad it only outputs arc around 20 cm et best. I guess it is pretty good for 2 cm width and 25 cm heigh secundary. So my question is am a even able to do it with such arcs. And can i just tape aluminum foil on plastic chair and stand on it or what? When i connect tc to foil it changes topload capacitante, so do i need to change mmc capacitance. I already tryed it but when i connect the char with the foil, the coil only gives 3 cm arcs at best, i configured my mmc to give max capacitance that they can for that number of caps, but probably it is not enough. So will i be able to do it if i buy more caps and make mmc bigger so that it matches tc secundary capacitance, and how long will arcs from my hand be? I mean if i have 20 cm now, will i have 20 cm from my fingers or the arc lenght will drop?
Registered Member #4338
Joined: Sun Jan 15 2012, 10:19AM
Location: Slovakia
Posts: 21
The length of the discharges still dropped somewhat, but I also did not try to get the same length at any cost. I think will still be smaller discharges. The primary LC circuit for a new load (human topload) must be tuned. Also, the position of the body and the hands changes the capacity to the environment and thus the frequency around the resonance is also tuned. Sometimes thanks to the position of the hand, diameters change the size of the discharges. There is also a need to enough coil performance... I used VTTC with GU-5B for human topload.
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.