AsterAnts

> There is a good chance that copper will be found in the asteroid.
> Aluminum is another great conductor.

Its so-so in fact. The resistance losses are many times higher than
copper; for coils that's significant. Calcium has less resistance
than copper IRC.

> When bootstrapping, quality is not as big an issue, cost is. If you
> can make an electric motor of comparable useability (emphasis on
> useability, not quality) in orbit for significanly less than the cost
> of launching a new one from Earth, you do it.

Right.