lol. That would take quiet a bit of material to fill up!
No i'm going to take the lessons in furnace design i learned from building larger furnaces and incorporate it with my personal experience of what does and doesn't work as well as what the average refiner needs and build one kick ass furnace. I won't build things cheap! It will probably have stainless steel burners, with cast in place free standing medium density insulating castable refractory ( No metal skin ) with reinforcing stainless needles in the refractory. It will come in three parts, base, lid, and cylinder for easy breakdown and transport to be used in the field for a small mining operation even if you wanted to and the total weight will be about 30-35 lbs. Capable of serving both as a crucible furnace as well as a melting station for using melting dishes to melt. The base serves this purpose also. Gas fired from a bbq propane bottle and capable of melting a couple of grams or up to a kilo. It can be used for a silver cell operation, inquarting karat gold, or melting finished product. It has no moving parts and if i do my job correctly and you don't break it because of something stupid like dropping it then the whole thing should last for many, many, many, years of service and be a quality product. I'm figuring selling them for about $600. They get that for one of those stupid electric units. 12 inch base, cylinder, and top measuring 11 inch tall with an 8 inch burn chamber for use with quality Salamander crucibles. It can either be a kitten for the dishes or a dragon for the crucibles!
The large one i built for the silver cell was overkill and for fun, but it did teach me some lessons i needed to know!