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Updated: June 1, 2025
There wasn't much to see at such speed. The three members of the Polaris unit left the shack to return to their task of inspection. They passed the maintenance hangar where Kit Barnard was readying his ship for blast-off in the next half hour. "Any last-minute hitches, Kit?" asked Astro, vitally interested in the new reactor unit and its cooling system. Kit smiled wearily and shook his head.
"Major Connel, for another crack at Junior," roared the big Venusian, "I'd get you back in a day and a half!" "All right," said Connel. "That's one problem. But there are others." "What, sir?" asked Tom. "We have to prepare reactant fuses and we have to build new reactor units. If we could do that "
Ten minutes of the two hours had swept past. They must be on Junior by now, he thought, and flipped on the teleceiver. He focused on the satellite's surface. There in front of him were the three jet boats. Major Connel, Roger, Astro, Alfie, and Mr. Shinny were so close that Tom felt as though he could touch them. They were unloading the first reactor unit, with Astro and Shinny digging the hole.
He held a small spade and jabbed at the ground. "How much time have we got left?" he gasped. "Twenty minutes," replied Roger. "You'd better hurry." "Finished now," said Astro. "Get the reactor unit over here and set the fuse." Roger picked up the heavy lead box and placed it gently inside the hole. "Remember," Astro cautioned, "set the fuse for two hours." "No, you're wrong," replied Roger.
The I.F.A.W.'s madder than a shot-stung bobcat. They claim you're going to bring in strike-breakers; they're talking about picketing the whole reactor area." "News gets around fast, here, doesn't it?" Melroy commented. He told Leighton what he had in mind. The Power Authority man was considerably shaken before he had finished. "But they'll call a strike on the whole plant!
"This reactor really packs a load of power!" "How are we doing on fuel, Sid?" Kit called into the intercom. "We lost a lot trying to prime the pumps," replied the young crew chief. "We have to touch down on Deimos and refuel." "That's all right," replied Kit with a smile. "We're gaining on Sticoon fast. We should make Deimos about the same time. I wonder where Quent Miles is by now."
Astro and Shinny followed Connel's jet boat in a long sweeping dive to the surface of the satellite. Stepping out of the air-cooled jet boat onto the torrid unprotected surface of the flat plain was like stepping into a furnace. Even with space suits as protection, the five Earthmen were forced to work in relays in the digging of the hole for the reactor unit. "Attention! Attention!
But when the positive half of an alternating current is made to flow through a large inductance it acts like a large resistance as before and likewise smooths out the current, but none of its energy is wasted in heat and so a coil having a large inductance, which is called an inductive reactance, or just reactor for short, is used to smooth out, or filter, the alternating current after it has been changed into a pulsating direct current by the rectifier tubes.
The only differences between this and the preceding transmitter are: the magnetic modulator, if you use one, should have an output of 3-1/2 to 5 amperes; you will need two 50 watt oscillator tubes with sockets; two 150 watt rectifier tubes with sockets; an aerial ammeter that reads to 5 amperes; three 1 mfd. filter condensers in parallel; two filter condensers of 1 mfd. capacitance that will stand 1750 volts; and a 300 milliampere filter reactor.
The pulsating direct currents are then passed through a filtering reactance coil, called a reactor, and one or more condensers, and these smooth them out until they approximate a continuous direct current.
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