[RightWhale]

Right. It should be a factor of ten times more efficient, but it is only about double. Still, that would make the difference between Apollo and Buck Rogers.

[King Prout]

thanks - nice to know my memory is functioning.

'course, that was the KIWI, an old solid-core design.

I would expect modern designs, even solid-cores, to be much more powerful than the KIWI.