The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: "Steve Jones"
Subject: Re: Small Tesla Coil
Date: Fri, 22 Nov 2002 19:01:48 +0000 (UTC)
Organization: BT Openworld
References: <3ddcc905$0$22279$9b0f33e3@clyde> <3DDD385B.2200CDF1@cox.net>
NNTP-Posting-Date: Fri, 22 Nov 2002 19:01:48 +0000 (UTC)
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
(was satcoms before - changed name to match postings from work pc)
call me a mad scientist but .............. purely from a curious point of
I have been pondering how a real Start Wars Light Sabre would be
Don't laugh - think about it.
Obviously the technology may not exist yet but based on what we have my
thought is what could be acheived and how.
Using a tesla coil small enough to be housed in a handle with a power source
(dc battery?) and suitable electronics the problem might only be how to
control the arc.
I originally thought of a lazer with a magnetic field to contain it but
maybe its more realistic to use an arc and a retractable rod with the
attracting element on the end of it.
so what i want to know is why it cant be done and how it could be done in
"Satcoms" wrote in message
> so it is possible to get a sword shaped arc.
> so can it be done with a physically small dc power source
> and a physically small tesla coil?
> you may see where i am going with this....
> "Mark Fergerson" wrote in message
> > Steve Jones wrote:
> > >
> > > Hi,
> > >
> > > is it possible to have a small tesla coil run off 12V d.c in some way
> > > powerful enough to generate arcs 2 to 3 feet long?
> > How small is "small"? If the 12V
> > source has adequate current capacity,
> > and the coil can handle it, sure, 2-3"
> > arcs are doable. Arc length is related
> > to power, not just voltage.
> > > can the ball emitter be changed to a dish shape to generate one arc in
> > > direction instead of many?
> > Getting what are called "swordlike
> > sparks" isn't related to topload shape;
> > it's usually done by running the coil in
> > "sputter" mode, which means feeding it
> > pulsed DC instead of AC. It gets
> > complicated...
> > Mark L. Fergerson
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup