Word: thrustingly
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...version of the Army's test rocket, the Jupiter-C. Its first stage, which contributed most of the push into space, was the familiar, well-tested Redstone, fitted for the occasion with slightly longer fuel tanks, and burning a hydrazine-based, exotic fuel called Hydyne, which gave more thrust than its motor's usual diet of alcohol. Stuck on its nose was an awkward-looking, cylindrical "bucket" mounted on a bearing so that it could be spun, and containing a cluster of 14 small, solid-fuel rockets, 40 in. long and 6 in. in diameter. Atop the bucket...
Bird at Peak. When ready for firing, the whole assembly weighed 65,000 lbs., so the 83,000-lb. thrust of the first-stage rocket motor lifted it off the ground at a fairly fast clip. The first stage burned for 150 seconds. When its fuel was gone, about 60 miles above the earth, most of the Redstone dropped away, leaving only a short section of the nose attached to the spinning bucket. As it zoomed upward at several thousand miles per hour, a gyroscopically controlled device turned the missile's attitude toward the horizontal by blowing jets...
...once more into high gear. Among the proposals: stronger advances in modernizing and developing the conventional Army and Navy forces, reorganization of the Defense Department, greater efforts in anti-missile missiles, and more imaginative technological achievements (such as manned missiles, a rocket motor with 1,000,000 Ibs. of thrust), as well as some head-knocking on the question of civil-defense shelters...
...solid-fuel engines (unlike their liquid-fuel rivals) can be stepped up in power almost indefinitely. To show how this can be done, he starts with the semisecret Recruit rocket, which burns solid fuel, is 9 in. in diameter, weighs about 350 Ibs. and has 35,000 Ibs. of thrust. Using a set of formulas, he scales it up 50 times (perfectly feasible, he says) and comes out with a rocket that weighs 43,000,800 Ibs. and has 87,500,000 Ibs. of thrust, twice as much as is needed to lift it off the ground. According...
...Force has a "backup," or reserve ICBM, the Martin Titan, currently running twelve to 14 months behind Atlas. Titan is a two-stage, liquid-fuel missile with an Atlas-type nose cone and an Atlas-sized engine thrust that can power a hydrogen warhead more than 5,500 miles. Another advantage: Titan can be broken down into two parts for easier ground or air-cargo transportation. Titan has undergone static tests of its component parts, has not yet been tested as a complete weapons system, is not expected to reach test-flight status until fall...