Re: Homemade Caps are a Health Risk?

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>

Unless someone actually buys some Hach AcuVacs and
takes readings, we're all just speculating.

http://www.hach.com/hc/search.product.details.invoker/PackagingCode=2517050/NewLinkLabel=Ozone+AccuVac%AE+Kit,+Color+Disc,+0.02-0.80+mg&frasl%3BL,+25+tests

These are the ones we use at work.

Interestingly enough, industrial ozone generators (not
the small "toy" UV style generators) use dielectric
tubes which resemble beer bottle caps, or lyden jars.
The fist facility I built used glass dielectric tubes,
which had a thin layer of SS metal on the inside,
which was connected to a wire brush. Outside, they
were surrounded with a SS metal sleeve. The diameter
was around 4". Just like beer bottle caps, we would
occasionally puncture one. We now use ceramic
dielectric tubes in all of our newer units. It seems
to hold up much better.

http://www.ozonia.com/ozone/engineered.html

However, in order to make ozone as efficiently as we
can, we start with LOX, evaporate it to gasseous
oxygen, add a taste of N2, then use DC which is
carefully monitored to keep it at the corona inception
state. Too much and you'll gat a flashover, which
kills ozone production.

Our ozone destruct units are just fancy catalytic type
heaters.

Long story short, ozone likes to be produced via
corona, and ozone hates heat. Beer bottle caps "seem"
to fit the bill as a good ozone generator, since they
"shouldn't" be generating any arcs, and most beer
bottle caps I've build and run have all exhibited that
corona glow.

I've heard many folks mention that they seem to smell
more ozone from smaller coils than from larger ones.
This makes sense, as larger coils may have hotter
arcs, which destroys the ozone. However, unless
someone wants to buy some Hach Acuvacs and actually
test the ozone output, everyone's just guessing. NOx
is generated alaong with ozone, and has many of the
same physical side effects. In fact, NOx is converted
into ground level ozone through the UV from the sun.

Adam


--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: Frank <fxrays@xxxxxxxxxx>
>
> A good running TC will produce ozone at a
> significant rate , far more
> than anything to be concerned with SW caps.
>
> The concerns over SW caps and ozone is mute as
> compared to the overall system.
>
> If you want to build a coil and use SW caps to get
> on line, then go
> for it and have fun!
>
> As mentioned in one of the posting,  long neck beer
> bottles make a
> great cap and fun while getting the bottles!
>
> Tesla used massive banks of SW caps for his coils,
> they were the only
> thing to handle the power he was playing with.
>
> I restored an antique medical TC that used 4 ea
> quart sized SW caps.
> There was never any noticeable ozone from the caps
> and the high
> frequency output did a good job of ozone production.
>
> Now, there are some concerns with SW caps:
>
> 1) They tend to get hot and boil off the solution.
> They are a high
> loss cap and will heat up.
> The SW vapor is corrosive to any metal around them,
> after a period of
> time, it will eat thru copper wire or tuning.
> Float some oil on top of the solution to keep
> evaporation down. This
> was what was done 100 yrs ago.
>
> NEVER have sealed  individual cap containers, they
> must always be
> vented and make sure the vent diameter is such it
> will not seal off
> with crystals.
>
> 2) A single cap can explode without warning. Minute
> flaws, such as
> air bubbles in the glass, impurities, stress cracks,
> dirt and etc can
> weaken the glass and when in use, as they heat up,
> it is possible to
> have an arc puncture the glass. You do not want
> glass possibly flying
> around but more importantly, you do not want
> conductive salt
> water  splashing  around to other parts of the
> system, the results
> could be spectacular!
> Make sure the bank is contained in some sore of
> heavy walled box.
>
> They are heavy and bulky. No getting around this.
>
> Another advantage of putting the bank is some sort
> of box, 1/4"
> plywood would work well, is it also would contain
> any ozone produced
> and it would bleed out gradually thru your vent.
>
> Normally, these caps are in parallel to get the
> system capacity you
> need as individual capacity values are small.
>
> There are a couple ways to get the caps in parallel:
>
> 1) The simplest way is to put the desired bottles in
> a large plastic
> wash bin and fill the bin with salt water. It is
> cheap and quick. The
> cap is bulky and hard to move and the capacity is
> not as good as it
> could be for the size.
>
> 2) The best way is to wrap some 0.010" thick by 6"
> tall brass shim
> stock on the outside of each bottle and solder the
> seam. then solder
> a wire from each brass to the next.
> You can also series or parallel the caps this way
> much easier to fine
> tune your coil.
> The bottles could be put in a divided container for
> storage and
> handling. It is a lot less messy and much lighter!
>
> Use a saturated solution of salt water to fill the
> bottles. I make
> mine by heating a pan of water to boiling and then
> back off the heat
> to a simmer. Add salt and stir. If the salt
> dissolves, keep adding
> small amounts and stir until you cannot get any more
> salt to dissolve.
>
> Frank
>
>
>
> At 10:45 PM 4/2/2007 -0600, you wrote:
> >Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>
> >
> >I've built several large scale ozone facilities. In
> >general, you'll develop a headaches and start
> wheezing
> >and want to leave the area before any permanent
> damage
> >can occur. If you are generating ozone, you're
> >probably also generating NOx, which is also pretty
> bad
> >stuff to breath. While starting up our first ozone
> >unit around ten years ago, the units kept shutting
> >down based on the ambient ozone monitors. It turns
> out
> >we had to raise the threshold to the OSHA 8 hour
> >limit, as the Atlanta area occasionally got above
> the
> >12 hour limit just due to automobile emmissions in
> the
> >summer.
> >
> >Adam
> >
> >--- Tesla list <tesla@xxxxxxxxxx> wrote:
> >
> > > Original poster: "H.S. J." <hsheltonj@xxxxxxxxx>
> > >
> > > Well Guys,
> > > We never truly answered the question that was
> going
> > > around for a
> > > while 2 weeks ago or so.  Do home made caps
> > > represent a health
> > > risk?  What ARE the risks involved with O3
> (ozone)?
> > > And, how great
> > > are they in affecting someone?  Because, some
> people
> > > are not able to
> > > spend upwards of usually $100 for a good MMC
> bank,
> > > the bottle caps or
> > > whatever seem to be the best option for many
> > > economically.
> > >
> > > Quote:
> > > "The ozone production of this type of capacitor
> is
> > > terrible and could
> > > present a serious health hazard."
> > >
> > > -Dr. Resonance
> > >
> > >
> > >
> > > I mean, how terrible is this health risk and
> what is
> > > the large health
> > > hazard?  I mean, ozone is no different than
> living
> > > in a place such as
> > > Mexico City or Los Angeles where the smog gets
> so
> > > bad that people
> > > have to go to the hospital because of respritory
> > > issues caused by the
> > > environment.
> > >
> > >
> > >
> > > -Shelton
> > >
> > >
> > > Now that's room service!
> > >
>
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