Making rollers on the moon

When it comes to producing items from molten metal in
a vacuum, I wonder where bubbles could even creep into
the metal?

Gary 7

> I'm researching the techniques of using molten
> nickel iron to create rollers and other equipment
> necessary for lunar manufacturing.
>
> The key question is can you build up the molten
> iron on a rod very much like you wind up yarn on a
> spool? Are there issues like bubbles or rough
> consistency to be concerned with.
>
> The goal is to figure out what is needed for turning
> the lunar iron into useable structural members like
> rolled steel, 'I' beams, breaks, and presses.
>
> Thanks, Thor
>

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