Re: Silver tape question

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Paul B. Brodie" <pbbrodie@xxxxxxxxxxxxx>

Gary,
I think your toroid looks pretty doggone good. I think you are right about 
the new ultra-thin aluminum tape. I was going to get some to experiment 
with but at around $13 a roll, that was out of the question for me. Regards.
Paul
Think Positive

----- Original Message -----
From: "Tesla list" <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
To: <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
Sent: Thursday, May 19, 2005 7:16 PM
Subject: RE: Silver tape question

> Original poster: "Lau, Gary" <<mailto:gary.lau@xxxxxx>gary.lau@xxxxxx>
>
> It was probably me who posted about using newspaper and dilute white
> glue.  It worked quite well, but compared with a spun toroid, still
> resulted in a less than smooth surface.  See
> 
<http://users.rcn.com/laushaus/tesla/minicoil_files/minicoilModelB.jpg>http://users.rcn.com/laushaus/tesla/minicoil_files/minicoilModelB.jpg.
> The nice thing about the paper/glue is that after it dries, one can file
> down ridges with a wood file.  It ultimately took several apply/dry
> iterations before I was satisfied.
>
> When applying Al tape, the width of the strips must be appropriate for
> the minor diameter of the toroid.  You can't wrap a 2" wide strip around
> a 4" toroid without having it wrinkle and look like heck.
> You must cut it down to twice as many 1" strips :-( and burnish each
> strip with fingernails or a wooden tool to get it perfectly flat.
>
> A smooth toroid will permit a single, longer streamer to result, rather
> than several smaller ones originating from the numerous ridges and
> imperfections on a non-smooth toroid.
>
> I doubt the thinner plastic tape would be useful for covering a top
> load.  Think how hot a streamer is, and think what that would do to the
> plastic.  It's also not clear that you could achieve electrical contact
> to or between strips.
>
> Regards, Gary Lau
> MA, USA
>
>
>
> > Original poster: "Paul B. Brodie" 
<<mailto:pbbrodie@xxxxxxxxxxxxx>pbbrodie@xxxxxxxxxxxxx>
> >
> > Robert,
> > Excuse me, what are "the now defunct economical toroids" you refer
> to??
> > Also, I noticed at Lowe's the other day that they have two different
> types
> > of aluminum "duct tape." One is the traditional type I'm familiar with
> that
> > is fairly thick aluminum, much thicker than aluminum foil, and the
> other is
> > something new to me, which is much, much thinner and similar to
> reflective
> > Mylar. I'm wondering if this thin tape is enough of a conductor to be
> of
> > use. It looks like it will be a lot easier to apply without wrinkles.
> >
> > I read where someone used old newspaper and diluted white glue as
> paper
> > mache to smooth out their dryer duct toroid before applying tape. Has
> > anyone had any experience trying this or something similar? Is there
> any
> > real advantage, other than looks, to creating a really smooth toroid?
> I
> > realize that bumps and such create jumping off points for streamers. I
> mean
> > other than this one obvious difference. Is the difference in
> performance
> > worth all the trouble involved? Other than the ugly joint, I actually
> like
> > the appearance of a regular dryer duct toroid.
> > Paul
> > Think Positive
> >
> > ----- Original Message -----
> > From: "Tesla list" 
<<<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
> > To: 
<<<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
> > Sent: Thursday, May 19, 2005 2:31 AM
> > Subject: Silver tape question
> >
> >  > Original poster: "Robert Hanford"
> > 
<<<mailto:pomnept@xxxxxxxxxxx>pomnept@xxxxxxxxxxx>mailto:pomnept@xxxxxxxxxxx>pomnept@xxxxxxxxxxx>
> >  >
> >  > I am in the process of coating one of my dryer duct toroids with a
> >  > fiberglass automotive product. I will be covering it with metallic
> tape and
> >  > would like to know if anyone on the list has tips on the tidiest
> ways to
> >  > apply the tape (avoiding wrinkles, etc.) This question stems from a
> post
> >  > where a comment was made about how well the tape was applied on the
> now
> >  > defunct "economical toroids."
> >  >
> >  >
> >  >
> >
>
>