Everything can be scaled up or scaled down, but there’s always a sweet spot, where an optimization is reached in terms of energy usage vs energy output.
So, in this case, if it’s too large or small, you could find that the cost of nickel and hydrogen would not be cost effective, because you’d either end up with too much waste produced or the hydrogen and nickel wouldn’t react properly because too little is used.
This thing could be called a herd-of-eCats. There would be an optimal size for each eCat.
Still, I’m feeling very seagullish about this demo. It was supposed to cook out twice the energy it did. What it produced looked a whole lot like the capacity of the generator it was hooked to for the entire time, and if there was a kilowatt hour meter on the connection I haven’t heard about it.