>>Also, does anyone recall mention of how hot the main chamber's outside surface runs? I can not imagine any hope of operating without having an excellent high temperature insulator between the inner chamber and the outside >world. If no excellent insulation is used this device would be an extreme fire hazard.
>This is a very interesting point. The chamber itself should receive the same >radiation as the tungsten cap, so it's hard to see how it can remain cool while >the tungsten it white hot, unless seriously cooled. Given that the internal area >of the chamber is likely to be several times the area of the cap, it would >appear that a considerable portion of the energy is going to end up in the >cooling water of the chamber. I was also wondering about this but I think that if you could insulate the other wall the main losses would still be out if the tungsten. I would expect insulation and ontop of that cooling to get the outer wall to sane temperatures. For sure it looks like there remain engineering tasks. On Thu, Feb 4, 2016 at 10:07 PM, <mix...@bigpond.com> wrote: > In reply to David Roberson's message of Thu, 4 Feb 2016 15:44:58 -0500: > Hi, > [snip] > > > > The video is fairly impressive and Mills appears to have an agressive > plan to commercialize the system in approximately a year. I wish him all > the luck in the world! > > > >I did not hear any reference to the amount of DC input power required to > drive his silver pump or other portions of the design. Does anyone recall > reference to how many watts are required in order to drive the ignition and > operating process? I am curious about how many watts of useful output > power are available for running the car, etc. and the ratio of the > available output power to the required input drive power. > > Mills has previously said that each spark only uses about 5 Joules, and > produces > about 1000, though I'm not sure how much of that was measurement, and how > much > was calculation based on theory. > > > > >Also, does anyone recall mention of how hot the main chamber's outside > surface runs? I can not imagine any hope of operating without having an > excellent high temperature insulator between the inner chamber and the > outside world. If no excellent insulation is used this device would be an > extreme fire hazard. > > This is a very interesting point. The chamber itself should receive the > same > radiation as the tungsten cap, so it's hard to see how it can remain cool > while > the tungsten it white hot, unless seriously cooled. Given that the > internal area > of the chamber is likely to be several times the area of the cap, it would > appear that a considerable portion of the energy is going to end up in the > cooling water of the chamber. > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/project.html > >
