"The question illuminates, not the answer" (Eugene Ionesco) Why you are not asking on the DGT forum? Peter
On Wed, Feb 1, 2012 at 5:15 AM, David Roberson <dlrober...@aol.com> wrote: > I have always assumed that the heating elements within the Rossi ECAT are > using AC. The frequency of the current is assumed to be 60 or 50 hertz, > but I do not recall anyone measuring it. One interesting possibility to > consider is that the large AC magnetic field associated with this current > contained within the core might be strong enough to agitate the nickel due > to its magnetic properties at modest temperatures. Also, do we know how > electrically conductive the core materials are? I wonder if the core > net resistive value is consistent enough to carry current for heating power? > > What if the extra spike that we observe in the waveform can be triggered > by the large magnetic field or current that flows within the core region? > > A lot of questions and few answers. Maybe some of them will cause a light > to shine within one of our collective minds. > > Dave > > > -----Original Message----- > From: francis <froarty...@comcast.net> > To: vortex-l <vortex-l@eskimo.com> > Sent: Tue, Jan 31, 2012 9:56 pm > Subject: RE: [Vo]:Name that tune > > Why does everyone assume the heater elements use DC? A transformer would > be the easiest way to adjust the voltage or current to larger rms values > and would explain the isolation transformer. The blue control box then > might simply gate this AC power through the transformer for longer or > shorter durations. This wouldn’t be called an RFG but it would have the > same effect while simultaneously heating the reactor elements. > Fran > > > *Jones Beene* > Tue, 31 Jan 2012 15:09:19 -0800 > Mine too, and now ... the real reason for this inquiry - why do you need > one? > > Coincidentally, as you mentioned in the preceding message, they claim NOT > to > use an RFG. > > Which technically does not mean they do not have a fair amount of RF noise > in the reactor, does it? It means only that they have no dedicated RF > generator. > > There are other reasons for having an isolation transformer than to protect > your Variac and other instruments and computers from a source of disruptive > electrical spikes, so it's not a smoking gun - but is there a good reason > not to suspect either a spark gap or glow discharge arrangement inside the > reactor somewhere? > > After all, if we were talking about resistance heating elements (ala AR) > being your thermal input and your P-in, then an isolation transformer would > not be needed, correct ? > > > -- Dr. Peter Gluck Cluj, Romania http://egooutpeters.blogspot.com