Re: More unique spark images (fwd)

To: tesla-at-pupman-dot-com
Subject: Re: More unique spark images (fwd)
From: Tesla List <mod1-at-pupman-dot-com>
Date: Mon, 24 Feb 1997 21:26:43 -0700 (MST)
Approved: mod1-at-poodle.pupman-dot-com


---------- Forwarded message ----------
Date: Mon, 24 Feb 1997 01:09:58 -0800
From: Open Minded <unknown-at-apc-dot-net>
To: Tesla List <mod1-at-pupman-dot-com>
Subject: Re: More unique spark images (fwd)

Tesla List wrote:
> 
> ---------- Forwarded message ----------
> Date: Sat, 22 Feb 1997 20:58:27 -0800
> From: Bert Hickman <bert.hickman-at-aquila-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: More unique spark images
> 
> Tesla List wrote:
> >
> > Subscriber: unknown-at-apc-dot-net Wed Feb 19 21:34:32 1997
> > Date: Tue, 18 Feb 1997 18:59:29 -0800
> > From: Open Minded <unknown-at-apc-dot-net>
> > To: tesla-at-pupman-dot-com
> > Subject: More unique spark images
> >
> > Chip and everyone -
> >
> >   Here are a few interesting photos of some discharge effects that I
> > did with my vacuum-tube powered coil system. These and a few others
> > will be uploaded to the funet server shortly - pop over and check
> > 'em out!
> >
> > - Brent
> >
> > Photos:
> >
> > cone_3.jpg      : a stiff wire extending from the discharge terminal
> >                   will whip around from the ionic forces and yield a
> >                   very beautiful cone of corona.
> >
> > pinwhl_3.jpg    : time-lapse image of a double-ended ionic pinwheel
> >                   balanced on the discharge tip.
> >
> > pinwhl_4.jpg    : another time-lapse image of the pinwheel. Note the
> >                   60Hz modulated spark as it rotated.
> >
> > - Brent
> >
> >   [Part 2, Application/OCTET-STREAM  9.2KB]
> >   [Unable to print this part]
> >
> >   [Part 3, Application/OCTET-STREAM  13KB]
> >   [Unable to print this part]
> >
> >   [Part 4, Application/OCTET-STREAM  12KB]
> >   [Unable to print this part]
> >
> >  [Image]
> 
> Brent,
> 
> Very nice pictures, as usual! I especially like the one with the
> synchronized pinwheel vs gap rotor speed!! Very nicely done!!
> 
> -- Bert H --


Bert -

  Actually, *all* the photos were done on my vacuum-tube powered
coil...so the modulation is 60Hz, and the time exposure was 1 second.
I just got lucky with the RPM of the pinwheel, but hey, while
photography is science, the images certainly aren't...!

- Brent (bturner-at-apc-dot-net)