We are discussing an interesting group of concepts here and I have counter discussions for each one here. I may break it into several different posts to make each of a reasonable length.
Rossi has never demonstrated in public an ECAT that is truly self sustaining. >Yes, he did. He ran for 4 hours with no input. Here our definitions vary. There is an operation level where the device will internally generate all of the heat exiting the core and keep the core at a constant temperature for a long period of time. This is theoretical since it would be virtually impossible to actually hold the device at this output level. If it were possible then heat would be generated for a very long time and 4 hours would be insignificant in comparison. Forget the fact that there is no chemical that can make more energy since that is not what we are doing. The definition needs to be based upon a physics model. There is one particular case where the output can become saturated at a high level that will continue to operate until melting resets the process. Rossi has mentioned this on several occasions. I do not like to think of this as a self sustaining point since it would take a major cooling event to stop the reaction at will. And I suspect that the device would become useless after this behavior so it is best to avoid it. What controls does he have to make a useful system? >I do not know if it is useful, but it can be run without input. Any cold >fusion system can be. This statement is too broad. Any system of any kind can run without input. It depends upon the definition of run. I wanted an input from you that would reveal how Rossi controls his device if it is not modulation of the input power. Furthermore, Rossi has stated on more occasions than I can count that his device will not have a COP specification of greater than 6 if it is controlled and useful. >I think he is incorrect. He has done a great deal of testing and I have a tendency to think he understands what he is measuring. Jed, you are entitled to your opinion just like everyone else. Some of us are convinced that COP in Rossi's device is important, including him. >It may be important but it is possible to run any cold fusion device without >input power. That is a matter of fact, not opinion. Many people have done >this, with Pd and Ni. Even if you distrust Rossi's claims, many others have >done this. You cannot argue with replicated experimental data. I have not heard that systems in heat after death tend to go out of control.< Take a look at the lab explosions that are on your site. I hope they were not intentional! The recent experiment by Celani appears to demonstrate what happens when a system of this nature is not under control. The positive feedback takes over on each of the power excursions and only ceases when some limit is reached. I am guessing that it is melting of a small region of the active wire. Dave
