[elfman2]

" True. However, we need a way to get out into space at low or zero cost."

Not really. That’s not the bottle neck. No sense imposing the limitations intrinsic to micobots in order to have hope that some escape into space.

[RightWhale]

Hams, RC airplane hobbyists, others who like to build things should wonder why they can't get their creations into space just by going out into the yard and letting them go. No muss, no fuss, no smoke and fire, just up and away.