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A high-speed gyro could only be run for minutes in one single direction if its mount were fixed. If a precisely mounted gyro had its shaft pointed at the sun, for example, while it ran, its axis would try to follow the sun. It would try not to turn with the earth, and it would wreck itself.
Tom quickly adjusted for free fall by switching on the synthetic-gravity gyro generators and then announced over the intercom, "Major Connel! Cadet Corbett reporting. Ship space-borne at exactly thirty-one, sir!" "Very well, Corbett," replied Connel. "Space Academy sends the crew a 'well done! Everything's set back home to take over the beam as soon as Junior starts on his way back.
American enterprise in the construction of the rotary type is perhaps best illustrated in the 'Gyro 'engine; this was first constructed with inlet valves in the heads of the pistons, after the Gnome pattern, the exhaust valves being in the heads of the cylinders.
Tom slid under the controls of the sleek ship, and while Astro, Sid, and Kit went below to the power deck, he began to figure their speed at a D-30 rate. He used a pencil at first, scribbling on a piece of paper, but the answer he reached was so fabulous, he put the ship on automatic gyro control and climbed to the radar deck where he checked the figures on the electronic calculator.
Of course the pilot and co-pilot the only two other people on the transport plane knew their stuff. Every imaginable precaution would be taken to make sure that a critically essential device like the pilot gyro assembly would get safely where it belonged.
The principle is easy to see; I'll show you." He unhooked the cables and took the power pack from his back. "The main thing is the molecular power unit here, electrically heated and mounted on a small, massive gyroscope. That gyro is necessary, too. I tried leaving it out and almost took a nosedive. I had it coupled directly to the body and leaned forward a little bit when I was in the air.
There were eleven of them already uncovered, and small trucks ran up to their sides to feed the fitting-out crews such items as air tanks and gyro assemblies and steering rocket piping and motors, and short wave communicators and control boards. Exit doors were being fitted. The last two hulls to be uncovered were being inspected with portable x-ray outfits, in search of flaws.
There is, indeed, a great difference between the submarine boats of the early twentieth century which had to rely on their conning-tower for steering, and more recent boats with their wonderful periscopes and gyro compasses. Similar progress was made in the development of the means of propulsion. The engines used for surface travelling became more powerful and efficient.
He would stay up all night with an ailing gyro or hydrostatic piston and not even ask to sleep in next morning for a reward, and he had a record of making nothing but hits at torpedo-practice. But he had been glum all the trip. He had stayed past the legal hour on liberty the last time in, and the shore patrol had come along and scooped him up.
They controlled the gigantic wheels that would steer the Platform in its take-off, and later would swing it to receive the cargo rockets coming up from Earth. The pilot instrument worked! There was no vibration. In its steering apparatus the Platform was ready for space! Then the Chief yawned, and his eyes glazed as he stood in the huge gyro room.
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