The Focus Fusion Society Forums Focus Fusion Cafe Could a Farnswirth fusor (the origanal type) work with higher voltage? Reply To: Okay, Let's Stop The BAKE SALE mentality and get SERIOUS

#13436
Earl of Plasma
Participant

Non neutral plasma has a well defined potential you need for confinement. Its scales with the amount of charge enclosed and the surface area. Even the size of the moon is not enough for any reasonable fusion rate.

What exactly do you mean by that?

Non neutral plasma has a well defined potential you need for confinement.

Should that mean that’s quite easy to confine the plasma? Easy with an electrostatic confinement? It can mean a lot of things. I suppose positive ions bounce back harder the higher voltage the shell has. That would lead to better confinement, shouldn’t it? Better confinement lead to higher ion concentration and therefor more reactions per volume.

I’ve read about the very simple amateur fusors, and they can never get enough fusion reactions. Is it they you refer to? They also have a metal cage at the center that steal a lot energy when fusion intensity get higher. The fusor Farnsworth made was much better, that’s for sure and had no metal cage.