Warp drive

“ We're way off our warp. Even if we had the power, it'd take our beam, like our ship if it had enough free-drive fuel—about eighty thousand years to reach the nearest one. Remember, kid, we had warped some fifty thousand light-years out before you talked Logan into leaving the warp to fool around in free Space for awhile. Until we can jet our way back to warp-point, we can forget about communication. ”

“ He found a cunning circuit arranged so that if the ship rose on interplanetary drive and set out on even a hopeless search for home, the instant it went into overdrive its power tanks would fuse and short, and it would be left driveless and powerless, to crash or drift helplessly until its occupants died or went mad of despair. ”

“ Occasionally the spacecraft would try to drop speed before the warp blew out, and almost make it; in which case the resulting eruption took all of the simple technique of a smouldering fire in a wastebasket. There were far more calls for danger than calls for blowup. Ships' engineers, mindful of the fact that the life of every man aboard depended upon the efficient working of the warp generator, knowing that the ship would blow and be lost if it failed, were inclined to call for aid and help at the slightest indication of instability; it kept the Guardians busy. ”

“ When the sky grayed to the eastward, he showed her how he hoped to reach the yacht. The drive of the skid, of course, was not a pulsatory field such as even the smallest of space yachts used. It was more nearly an adaptation of a meteor-repeller beam, a simple reactive thrust against an artificial-mass field. It was the first type of drive ever to lift a ship from Earth. For take-off and landing and purposes like meteor mining it is still better than the pulsating-field drive by which a ship travels in huge if unfelt leaps. ”

“ In common weaving, the weft threads pass alternately under and over the entire warp threads, which are lifted up to allow the weft in the shuttle to traverse [Pg 242] from one side to the other. The Jacquard apparatus determines, by the number and arrangement of the holes in the cards, which of the separate warp threads shall be so lifted; for at every throw of the shuttle the blank part of each card moves a series of levers which raise certain warp threads; while other levers, passing into the holes in the card, do not affect the other warp threads. ”

“ Logan had said he'd figured a table of overdrive fields for the Isis which would work for anything between one point five light-speeds to maximum. One point five light-speeds!
It was one of those absurdities in technology that so often go so long before they are noticed. During the development of overdrive, it had been the effort of every technician to get the fastest possible drive. It was known that with a given mass and a given field-strength, one could get an effective speed of an unbelievable figure. Men had spent their lives trying to increase that figure. ”

“ But we can't control the directional and dimensional scope of the warp. There are an infinity of ways it can go, until we have a guide beam transmitting from the other side. Then we can just scan a segment of space with the warp, and the scanner picks up the beam."
He shook his head wearily. "We're new at it, Morgan. We've only tried a few dozen runs. We're not too far ahead of you in technology. We've been using rocket vehicles just like yours for over a century. That's fine for a solar system, but it's not much good for the stars. ”

“ The physical and emotional shock of the conversion hit Jack and Tiger like a sledge hammer, and during the long hours while the ship was traveling through the time-less, distance-less universe of the drive to the pre-set co-ordinates where it materialized again into conventional space-time, the Earthmen were retching violently, too sick to budge from the bunk room. It took over two weeks, with stops at half a dozen contract planets, before Jack and Tiger began to adjust themselves to the frightening and confusing sensations of conversion to star-drive. ”

“ After the successful testing of several models, a full-sized craft has been built which utilizes the new method of space drive. One such craft has been built, and only one. This ship, if it works, is at this time the only means by which humanity can hope to make the trips to the other places in the solar system from which the Sun-stealers are working. It is with this one vessel only that we can put their Sun-tap stations out of commission. ”

“ With the tremendous field intensities available by the material engines, I can get such fields as will 'dig their toes' into space and push. [99]
"That's the drive itself. It is accelerationless, because it enfolds us, and acts equally on every atom of us. By maintaining in addition a slight artificial gravity—thanks also to the intensity of those material engine fields—we can be comfortable, while we accelerate at tremendous rates.
"That is, I think, at least allied to the Stranger's system. For the high-speed drive, I do in fact use the Uncertainty. ”

“ Power not only to work with, but to live by. The air-cooling machinery that made sleep possible also condensed from the cooled air the minute trace of water vapor it contained and that they needed for drink. But without power they would thirst. Without the landing grid and the power it took from the ionosphere, they could not receive supplies from the rest of the universe. So they would starve.
And the Warlock, now in orbit somewhere overhead, was well within the planet’s gravitational field and could not use its Lawlor drive to escape with news of their predicament. ”

“ So the Star-jump Station went up under his direction, the most colossal task ever undertaken in space, prelude to another infinitely more colossal task, the establishment of a Warp receiver big enough to handle a ship. Bart was the man the eyes of the world were watching when he closed the last port on the new little ship, waved a rakish farewell to the engineers and friends crowded near the ship, and then, with a burst of brilliant purple, threw in the Warp, and flashed into the hyperspace men had dreamed of but never before seen, jumping for the stars—
He didn't make it, of course. ”

“ Earth's ground defenses had held the enemy at bay beyond the atmosphere for a year but such defense could not be maintained indefinitely. The Thunderbolt was needed quickly and its own drives could not bring it back in less than ten years....
"We will go into the warp well beyond the atmosphere," Harding said. "Transition cannot be made within an atmosphere. Since a very moderate normal space velocity of the ship will be transformed into a greater-than-light velocity when in the warp, it is desirable that we make turn-over and decelerate to a very low speed before going into the warp." ”

“ The Viking had attained her maximum speed of fifty thousand miles an hour as the ceaseless drive of her great rocket motors forced her ahead, a speed possible in the void of outer space where there was no air to create friction. For all her great speed by Earthly standards, she was but crawling slowly across the vastness of Interplanetary space. ”

“ The barriers nosed forward warily, and Steve took the control of his swamper from the master and edged between two of them. They waited, waited.
For theirs was not yet; the trick at this point was to slow the spaceliner down below the velocity of light before the weakened warp generator went out completely. If the tractors could do this, barriers and swampers and nullers would have nothing to do. ”

“ It had been manned by a dozen adventurous people, captained by Crownwall, and had headed out on its ion drive until it was safely clear of the warping influence of planetary masses. Then, after several impatient days of careful study and calculation, the distorter drive had been activated, for the first time in Earth's history, and, for the twelve, the stars had winked out.
The men of Earth had decided that it should work in theory. They had built the drive—a small machine, as drives go—but they had never dared to try it, close to a planet. ”

“ Logan appeared as Bors was gloomily contemplating the days needed to reach Garen on solar system drive, because overdrive was too fast. Logan looked offhand and elaborately casual, but he fairly glowed with triumph.
"I found out the fact behind the bugger factor, Captain," he said condescendingly. "The speed of a ship in overdrive varies as the change in mass to the minus fourth. Your computers couldn't tell that! Here's a table for calculating the speed of a ship in overdrive according to its mass and the strength of the overdrive field." ”

“ It is common knowledge that when a warp thread drops out, its place is indicated by a thinness or fine opening for the whole length of the missing warp, and this is so because the reed, besides pushing the weft into position, also acts as a warp spacer, that is to say it keeps the warp threads properly apart, every one being properly aligned. When no reed is used the warp threads are not so evenly placed—they are not so parallel to one another for there is nothing but their tautness to keep them in position. ”

“ He patch-ordered it also to the basic space drive, to take over after the velocity of his ship fell below the speed at which radar became useful.
Then he waited, with one eye on the timer. The detector ship faded behind him and was lost as his lighter spacecraft responded to the drive.
He wished helplessly for an auto-timer drive, because he knew that his hand and eye were not accurate enough to do the job as smoothly as he'd have liked. He wanted a bigger ship with a monster-sized drive. ”

“ A towering mechano-electrical brain almost filled the mid-section of their enormous sky rover, the receptors and converters of the free energy of space itself had been installed, and their intra-atomic space-drive, capable of developing an acceleration of only five light-veloci ties, had been replaced by Seaton's newly developed sixth-order cosmic-energy drive which could impart to the ship and its entire contents, without jolt, jar, or strain, any conceivable, almost any calculable, acceleration. ”

“ The ordinary native warp is short, and it is stretched out to its full length in the street, and the size carefully and thoroughly brushed into it. The warps which our machines will produce may be thousands of yards in length, and, if they are successful, will almost entirely do away with the enormous waste of time involved in putting new warps into a loom at frequent intervals. ”

“ The warp is useful in taking the strain off the nets, and in preventing their loss, in case the nets should be fouled, or cut by a vessel passing over them. The meshes are about an inch square.
Drift fishing is carried on at night. The nets are “shot” a little before sunset, the vessel keeping before the wind, with only enough sail set to take her clear of the nets as they are thrown overboard. When all the nets are out, about fifteen more fathoms of warp are paid out ”

“ Then with the robots ready for duty, we will leave this base in our two ships, go out toward Alpha Aquilae far enough to give us time, then start back, going into space drive in the midst of the disguised fleet. The robots will then take their places on the ships of the disguised fleet. It will drop out of space-drive on schedule and do exactly what Earth expects it to do—until the signal. ”

“ This drive, utilizing Carbolium which we have to manufacture, makes full use of space as a medium of travel. There's only one catch. We can make only a certain amount of Carbolium, and the costs of making it are astronomical. However, no matter what the expense, the supply is limited. Still, everything's fine. We use the old rockets for short distances and the interstellar drive for intergalactic trips. ”

“ The great advantage of the "direct drive," particularly for big steamships and for turning big electric dynamos, will be plain to every boy when he thinks of the long narrow body of a ship in which can lie the turbine engines working directly on the propeller shafts (with the exception of certain gears, of course, for regulating the speed) instead of the big flywheels, and flying cranks of marine reciprocating engines. Also with dynamos it is just as important to have the power applied directly to save space and increase the general efficiency of the machine. ”

“ Nor are the advantages of steam power confined to the greater velocity attained, or to its greater cheapness than horse draught. In the latter, danger is increased, in as large a proportion as expense, by greater speed. In steam power, on the contrary, 'there is no danger of being run away with, and that of being overturned is greatly diminished. It is difficult to control four such horses as can draw a heavy carriage ten miles per hour, in case they are frightened, or choose to run away ”

“ Some, such as the perennially-appearing one of building a huge hemispherical hull in the ground under and around the vortex, installing an inertialess drive, and shooting the whole neighborhood out into space, were perhaps feasible from an engineering standpoint. ”

“ Roughly, the amount of contraction to allow in the warp can be obtained by taking into account the counts of weft and the number of intersections which the warp makes with the weft. The thicker the counts of weft the more the warp will be bent out of a straight line, also with an increase in the number of picks the amount of take-up or contraction will increase. ”