re: #514 Aceofwhat?

You don’t. You fill the primary coil with a liquid fluoride salt (molten) which, in addition to being a fantastic heat conductor with a very high boiling point, has the wonderful property whereby overheating it expands the salt past criticality.

Negative feedback = awesome built-in safety.

Does that make sense?

I have favorite’d your post..I need to read up on that…The Chemical properties of Salt in a primary coil are beyond me..