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Re: Research Project (fwd)
Original poster: List moderator <mod1@xxxxxxxxxx>
---------- Forwarded message ----------
Date: Tue, 22 May 2007 17:39:37 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Research Project (fwd)
Hi Drake,
Yep, fluorescent bulbs will do fine if close enough. The neon thing just
sounded interesting. If I were to try something like that, I'd just have
a neon sign shop do the work for me.
Take care,
Bart
Tesla list wrote:
>Original poster: List moderator <mod1@xxxxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Tue, 22 May 2007 15:21:18 -0500
>From: Drake Schutt <drake89@xxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Research Project (fwd)
>
>Thanks for the advice guys but I'm not going to be making any neon tubes any
>time soon. I don't just have glass tubing, neon gas, a vacuum pump, and a
>bombarder transformer just lying around :^). There is a neon sign store
>down the road though so I think I'll ask there first. Maybe they would like
>to donate! If that doesn't work I know school science supply houses carry
>small gas tubes like the one peter had in the pictures on his site. I
>suppose I'll give fluorescent bulbs a go too.
>
>drake
>
>On 5/22/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>
>
>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>
>>
>>
>>---------- Forwarded message ----------
>>Date: Tue, 22 May 2007 12:38:49 -0700
>>From: Frank <fxrays@xxxxxxxxxx>
>>To: Tesla list <tesla@xxxxxxxxxx>
>>Subject: Re: Research Project (fwd)
>>
>>Making neon type tubes is a little harder that just sticking wires in
>>glass.
>>You need special wire that will seal with the
>>glass, typically either platinum or Dumet.
>>Regular copper will not work. There should be
>>some sort of electrode on the wire, not just a stub of wire.
>>Then you need a manifold to attach the argon and
>>control the amount needed to back fill.
>>Lastly, as Dr. Resonance said, you need to
>>bombard the tube to remove any entrapped gas
>>before back filling. You can do this electrically
>>or by controlled baking of the tube in a specific
>>oven while under vacuum and then sealing the tube after filling.
>>
>>One question, why argon? It requires a higher
>>voltage to ionize. Neon is a much better gas as
>>it will fire at a lower voltage and is easier to see.
>>
>>For any interested, I have a copy of an early
>>article on how to make a Geissler tube at home.
>>It will give you an idea of how to make a vacuum
>>tube. Of interesting note, they fill the tube
>>with gasoline vapor and flash it off to outgas
>>and lower the tube to the correct vacuum level.
>>Not something you would do at close range!
>>
>>Frank
>>
>>At 01:05 PM 5/22/2007 -0600, you wrote:
>>
>>
>>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>>
>>>
>>>
>>>---------- Forwarded message ----------
>>>Date: Tue, 22 May 2007 11:19:15 -0500
>>>From: resonance <resonance@xxxxxxxxxxxx>
>>>To: Tesla list <tesla@xxxxxxxxxx>
>>>Subject: Re: Research Project (fwd)
>>>
>>>
>>>
>>>You would also need a "bombarder" transformer to put 200-300 mA at 18-26
>>>
>>>
>>kV
>>
>>
>>>across the tube to blast any residual molecules off the walls of the
>>>
>>>
>>glass
>>
>>
>>>tubes.
>>>
>>>Dr. Resonance
>>>----- Original Message -----
>>>From: "Tesla list" <tesla@xxxxxxxxxx>
>>>To: <tesla@xxxxxxxxxx>
>>>Sent: Tuesday, May 22, 2007 10:34 AM
>>>Subject: Re: Research Project (fwd)
>>>
>>>
>>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>>
>>>
>>>
>>>---------- Forwarded message ----------
>>>Date: Tue, 22 May 2007 10:39:21 -0400
>>>From: Scott Bogard <teslas-intern@xxxxxxxxxxx>
>>>To: tesla@xxxxxxxxxx
>>>Subject: Re: Research Project (fwd)
>>>
>>>I wonder if it is possible to "make" a neon tube out of that meltible
>>>
>>>
>>glass
>>
>>
>>>you get with chemistry stuff. I would think so, you would just need to
>>>
>>>
>>melt
>>
>>
>>>one end with a wire in it, suck the air out of it, backfill it with gas,
>>>
>>>
>>and
>>
>>
>>>melt the other end. Those glass tubes cost a few bucks a piece, and air
>>>conditioning compressor will serve adequately as a pump and can be
>>>
>>>
>>obtained
>>
>>
>>>for free, snips of wire, and a tank of argon costs about $80 (unless you
>>>borrow one from a friend who gets free refills). I'll have to try it,
>>>
>>>
>>and
>>
>>
>>>if it works, what you could probably do for your research project, is set
>>>
>>>
>>up
>>
>>
>>>several "receivers" for your transmitter, and see how distance effects
>>>
>>>
>>them.
>>
>>
>>> If I were a judge, I would be very impressed! then what one might do,
>>>
>>>
>>is
>>
>>
>>>try to hook up the output of your receivers to power bigger stuff (even
>>>
>>>
>>if
>>
>>
>>>it does not work at all, you will have "learned something", sometimes
>>>
>>>
>>judges
>>
>>
>>>like failures almost as much as successes in the scientific world). Good
>>>luck.
>>>Scott Bogard.
>>>
>>>
>>>
>>>
>>>>From: "Tesla list" <tesla@xxxxxxxxxx>
>>>>To: tesla@xxxxxxxxxx
>>>>Subject: Re: Research Project (fwd)
>>>>Date: Tue, 22 May 2007 06:46:22 -0600 (MDT)
>>>>
>>>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>>>
>>>>
>>>>
>>>>---------- Forwarded message ----------
>>>>Date: Mon, 21 May 2007 22:09:18 -0700
>>>>From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
>>>>To: Tesla list <tesla@xxxxxxxxxx>
>>>>Subject: Re: Research Project (fwd)
>>>>
>>>>Now that sounds like a fun little thing to do at those 4th of July
>>>>bashes here in the US. Have little tubes of neon and pass around to
>>>>guest. See if they have fun with a little light wand while the coil is
>>>>running.
>>>>
>>>>Bart
>>>>
>>>>Tesla list wrote:
>>>>
>>>>
>>>>
>>>>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>>>>
>>>>>
>>>>>
>>>>>---------- Forwarded message ----------
>>>>>Date: Mon, 21 May 2007 17:00:29 -0500
>>>>>From: resonance <resonance@xxxxxxxxxxxx>
>>>>>To: Tesla list <tesla@xxxxxxxxxx>
>>>>>Subject: Re: Research Project (fwd)
>>>>>
>>>>>
>>>>>
>>>>>Neon tubes are much more sensitive to RF currents than flourescent
>>>>>
>>>>>
>>lamps.
>>
>>
>>>>>We use both neon and argon (blue) as accessories for our commercial
>>>>>
>>>>>
>>coils
>>
>>
>>>>we
>>>>
>>>>
>>>>>market to science museums.
>>>>>
>>>>>Dr. Resonance
>>>>>
>>>>>
>>>>>this is Matthew Boddicker
>>>>>
>>>>>I have completed an experiment four months ago in which I used the
>>>>>
>>>>>
>>Earth
>>
>>
>>>>as
>>>>
>>>>
>>>>>a transmission line from one "Transmitter coil" to an identicle
>>>>>
>>>>>
>>"Reciever
>>
>>
>>>>>coil". The experiement was a success, in as much that it is possible,
>>>>>
>>>>>
>>but
>>
>>
>>>>>all that the "Reciever coil" was able to do was to get a flourescent
>>>>>
>>>>>
>>>>light
>>>>
>>>>
>>>>>bulb to flicker. I have a twenty page paper on the research project
>>>>>
>>>>>
>>that
>>
>>
>>>>I
>>>>
>>>>
>>>>>have been rewriting. if anyone is interested in getting it from me I
>>>>>
>>>>>
>>can
>>
>>
>>>>get
>>>>
>>>>
>>>>>a copy to e-mail in two or three weeks. my e-mail is
>>>>>
>>>>>shmerpleton_town@xxxxxxxxxxx
>>>>>
>>>>>My best wishes to your research.
>>>>>Matthew
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>From: "Tesla list" <tesla@xxxxxxxxxx>
>>>>>>To: tesla@xxxxxxxxxx
>>>>>>Subject: Research Project (fwd)
>>>>>>Date: Mon, 21 May 2007 10:58:42 -0600 (MDT)
>>>>>>
>>>>>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>>>>>
>>>>>>
>>>>>>
>>>>>>---------- Forwarded message ----------
>>>>>>Date: Mon, 21 May 2007 11:01:31 -0500
>>>>>>From: Drake Schutt <drake89@xxxxxxxxx>
>>>>>>To: Tesla list <tesla@xxxxxxxxxx>
>>>>>>Subject: Research Project
>>>>>>
>>>>>>Well summer is almost here and next year I will be a senior in high
>>>>>>
>>>>>>
>>>>school!
>>>>
>>>>
>>>>>>As seniors we are required to do an independent research project
>>>>>>
>>>>>>
>>over
>>
>>
>>>>the
>>>>
>>>>
>>>>>>summer, putting a minimum of 40 hours into it, and following up next
>>>>>>
>>>>>>
>>>>school
>>>>
>>>>
>>>>>>year with a 15 page paper. I see this as a perfect excuse to do
>>>>>>
>>>>>>
>>some
>>
>>
>>>>>>coiling as i haven't had much time this year. This is where I have
>>>>>>
>>>>>>
>>>>trouble
>>>>
>>>>
>>>>>>deciding where to go with this.
>>>>>>
>>>>>>My 12kv/90ma coil is nearing completion and I was thinking that I
>>>>>>
>>>>>>
>>could
>>
>>
>>>>do
>>>>
>>>>
>>>>>>some sort of experiment with wireless power transmission. I know
>>>>>>
>>>>>>
>>it's
>>
>>
>>>>>>inefficient, but I recall someone talking about rigging up another
>>>>>>
>>>>>>
>>coil
>>
>>
>>>>to
>>>>
>>>>
>>>>>>attach to a lightbulb which could be lit up from a fairly
>>>>>>
>>>>>>
>>significant
>>
>>
>>>>>>distance. I've researched this a bit but I can't really find
>>>>>>
>>>>>>
>>anything
>>
>>
>>>>>>about
>>>>>>a recieving coil and light bulbs, so if anyone has info it would be
>>>>>>
>>>>>>
>>>>greatly
>>>>
>>>>
>>>>>>appreciated.
>>>>>>
>>>>>>I also love music and after looking at some audio modulated tesla
>>>>>>
>>>>>>
>>coils
>>
>>
>>>>>>with
>>>>>>their "plasma speakers" I would love to build one. The only problem
>>>>>>
>>>>>>
>>is
>>
>>
>>>>>>that
>>>>>>I really have a limited knowledge of electronics outside of SGTC's
>>>>>>
>>>>>>
>>and
>>
>>
>>>>>>SSTCs
>>>>>>seem like a whole different animal. I'm not dumb, I just want to
>>>>>>
>>>>>>
>>know
>>
>>
>>>>if
>>>>
>>>>
>>>>>>it's realistic to think that I can build a SSTC that can replicate
>>>>>>
>>>>>>
>>this
>>
>>
>>>>>>plasma speaker effect over the summer. I haven't seen anything
>>>>>>
>>>>>>
>>about
>>
>>
>>>>these
>>>>
>>>>
>>>>>>audio coils on the list before, but I would bet that somebody out
>>>>>>
>>>>>>
>>there
>>
>>
>>>>>>knows about them.
>>>>>>
>>>>>>Also, if anyone has any more ideas that involve HV and TC's that
>>>>>>
>>>>>>
>>would
>>
>>
>>>>be
>>>>
>>>>
>>>>>>feasible to do over the summer, please reply!
>>>>>>
>>>>>>Thanks as always,
>>>>>>Drake Schutt
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>_________________________________________________________________
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