Alan, It will be interesting to see if your model agrees with mine. I have had one working now for close to a year that demonstrates a COP of 6 when the device is at the threshold of instability. A COP of 3 is much easier to control although both must operate within a region which is normally unstable without input power modulation.
I drive my model with a pulse width modulated source just as Rossi's actual device. I find that his statements about the operation of his ECAT make sense according to the behavior of my model. I am using a spice model. Dave -----Original Message----- From: Alan Fletcher <[email protected]> To: vortex-l <[email protected]> Sent: Thu, May 23, 2013 6:47 pm Subject: Re: [Vo]:Gary Wright on the Hot Cat paper > From: "Rich Murray" <[email protected]> > Sent: Thursday, May 23, 2013 3:38:34 PM > thanks, Peter Gluck -- I notice Gary Wright does not refer to the > exponential shape of the curves of rise and fall of temperature in > each 6 minute cycle -- what do your think? I'm working on the Spice zero'th-order model. I've got a nonlinear resistor model twitching (with a table lookup) --- I just have to plug in the right equation. (And calibrate it).

