The fireworks didn't last long. The drill wasn't built to go in too deep. A drill of that type could be built which would burrow its way right through a small planetoid, but that was hardly necessary for planting an anchor. Ten meters was quite enough.
Now came the hard work.
On the outside of the Nancy Bell, locked into place, was a specially-treated nickel-steel eye-bolt--thirty feet long and eight inches in diameter. There had been ten of them, just as there had been ten drills in the storage locker. Now the last drill had been used, and there was but one eye-bolt left. The Nancy Bell would have to go back for more supplies after this job.
The anchor bolts had a mass of four metric tons each. Ma