But also they will build new tool shops and train new mechanics, so that every so often we will need to come out of overdrive to transfer the tools and the men to new ships.
Given something that would hold air, a Lawlor drive, a gravity-unit, and air apparatus would turn it into a ship that could go into overdrive and hence cross the galaxy at need.
Illustration] IX Normally, at overdrive cruising speed, it would be a week's journey from Walden to the planet Krim.
There the ship jockeyed for line, and then there was that curious, momentary disturbance of all one's sensations which was the effect of the overdrive field going on.
He brought it back and went out of overdrive while he hooked the entire new assembly into the drive-circuit, with cut-outs and switches to be operated from the yacht's instrument board.
It came out of overdrive in this solar system, let out the lifeboat, and went on its way again.
He came out of overdriveand made his observations and corrected his course.
He lined up the yacht again and went into overdrive once more.
And you, Scientist, are withholding your work on the overdrive relay.
So they want to use your ship--it's faster in overdriveand so on.
One of the grain-ships from Weald had broken out of overdrive and its pilot was triumphantly calling for landing-coördinates.
Calhoun threw the overdriveswitch and the Med Ship flicked back into that questionable state of being in which velocities of some hundreds of times that of light are possible.
A ship simply came out of overdriveand didn't signal further.
Then one computes the overdrive course to another planet, from the respective coördinates of the world one is leaving and the one one aims for.
Calhoun drilled him in the use of brightness-charts, by which the changes in apparent brightness of stars between overdrive hops could be correlated with angular changes to give a three-dimensional picture of the nearer heavens.
He continued to use Weald as a destination, but he set up problems in which the Med Ship came out of overdrive pointing in an unknown direction and with a precessory motion.
And when hundreds of men jammed themselves into a cargo-boat which could not furnish them with air to breathe, and took off and went into overdrive before the air could fail.
His young students took command in four-hour watches, with at least one breakout from overdrive in each watch.
The distance was too short for even the briefest of overdrive hops, but it would take time to get there on solar-system drive.
Patrolman Timothy Madden was now in overdrive in squad ship 740, delivering the monthly precinct report to Headquarters.
There came the always-nauseating sensation of going into overdrive combined with the even more unpleasant sensation of coming out of it.
An hour's run on interplanetary drive--no overdrive field in use.
Patrolman Willis set a time-switch and pushed the overdrive button.
When the squad ship came out of overdrive and he was awakened by the unpleasantness of breakout, he yawned.
Sergeant Madden looked with pleasurable anticipation back to where the ship had come out of overdrive and lingered for twenty-four seconds.
Before the syllable was finished, Patrolman Willis pressed hard on the overdrive button.
Its overdrive hops shortened to one light-hour of distance covered.
Before he'd finished saying it the squad ship had hopped into overdrive and out again.
Sergeant Madden dozed most of the first day of overdrive travel.
The Nadine was out of overdrive and all the uncountable suns of the galaxy shone steadily, remotely, as infinitesimal specks of light of every color of the rainbow.
But the trip-tape had been computed for another starting-point, and when the yacht came out of overdrive it was because the drive had been dismantled in the engine-room.
But his present companions got the drive dismantled two days later and once the yacht was out of overdrive they efficiently gave him his choice of surrendering or else.
When Calhoun took his Med ship out of overdrivenear that sector's planet Weald, he was vaguely aware of the risks.
A ship from Orede had come out of overdrive and lay dead in emptiness.
It said that a ship inoverdrive had carried word to a Darian fleet in space.
Then one computes the overdrive course to another planet, from the respecting coordinates of the world one is leaving and the one one aims for.
The Med Ship broke out of overdrive at 1300 hours, ship-time.
I've brought spacesuits from it, I've turned on the heaters in its interior, and I've set its overdrive unit for a hop to Dara.
He tried the briefest of overdrive hops, and came out within the solar system and well inside any watching patrol.
There was no sensation attached to overdrive travel except at the beginning and the end.
And when hundreds of men jammed themselves into a cargo spaceship which could not furnish them with air to breathe, and took off and went into overdrive before the air could fail.
The passengers who were awake were mostly in the bars, and the bartenders explained that the ship had shifted overdrive generators and there was nothing to it.
Passengers can have many things wrong with them, and in the absolute isolation of overdrive they can be remarkably affected by each other.
The time came when the Star Queen should have come out of overdrive with the sun Circe blazing fiercely nearby, and a green planet with ice caps to be approached on interplanetary drive.
The Star Queen had floated out of overdrive long enough to throw all distance computations off.
It continued interminably, as if while it was off the ship's head had swung wide of its destination and the whole business of lining up for a jump in overdrive had to be done all over again.
He puzzled over Jensen's tenseness and the relief he'd displayed when the overdrive field came on.
It knew nothing that happened outside its own cocoon of overdrive field.
And we'll want to set up a special overdrive control, which makes it easy to dodge Mekinese ones.
Overdrive was sometimes not fast enough--but solar-system drive was infuriatingly slow.
A ship which fled inoverdrive could not reappear like this!
Logan appeared as Bors was gloomily contemplating the days needed to reach Garen on solar system drive, because overdrive was too fast.
The whole purpose of overdrive was high speed between stars.
Einstein's data on the anomalies of time at speeds near that of light naturally did not apply to overdrive speeds above it.
We'll also modify the overdrive to make this ship able to do everything my other ships did--and more.
And this state of stress--this overdrive field--did not have a position.
It had seen the Horus go into overdrive and move only hundreds of miles instead of hundreds of millions.
But though ships in overdrive had to be considered as in motion, and though their speed had to be considered as beyond the astronomical, there were such incredible distances to be covered that time piled up.
You just figured an overdrive jump for me that's the most accurate I ever heard of!
In the new low-speed overdrive he drew away from it for a limited number of microseconds.
They'll begin to slip away in overdrive if we keep chopping them down in groups.
There'd been a warning gong an hour ago, notifying that the end of overdrive journeying approached.
Calhoun had lately completed five such planetary visits, with from one to three weeks ofoverdrive travel between each pair.
When breakout came, the overdrive field must collapse and the Duhanne cells down near the small ship's keel absorb the energy which maintained it.
The astrogation unit showed the percentage of this overdrive hop covered up to now, and the needle was almost around to the stop pin.
I The Med Ship Esclipus Twenty rode in overdrive while her ship's company drank coffee.
