Struggling mom and pop mass driver, whole family up late at night winding magnets, big order just came through, 20 kilotons to Ganymede. "We don't have the delta-vee" the mother says, woefully. "Supercaps will pull through." Grinning through teeth. Wasn't sure himself.

@Andercot Not every customer trusted a short driver all the way to Ganymede. They would run the coils hot for two weeks, he thought, make repairs during the lunar night, run for two more. If the supercaps held. The packages start coming in cart by cart-- shiny robot bodies and spindly