Word: liquidizer
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...chicken lunch in his office late in the week. Lyndon Johnson was interrupted by a telephone call from Defense Secretary Neil McElroy, with word that the Army was being authorized to proceed on a top-priority basis with work on a solid-fuel missile to replace the 200-mile, liquid-fuel Redstone rocket. It took just seconds for Johnson to convince McElroy that the announcement should be made by Major General John B. Medaris. scheduled to appear before the Johnson Subcommittee that very afternoon...
...range; the U.S. has test-fired four models of the Air Force's Convair ICBM Atlas, has scored two hits at a programed initial 500-to 600-mile range. Atlas, U.S. missilery's prime weapon (cost: about $4,000,000 apiece) is fueled with a mixture of liquid oxygen and kerosene, is designed to deliver a hydrogen warhead of megaton dimensions at a speed of about 14,000 m.p.h. to a target five miles in diameter at a 5,500-mile range. Atlas has 300,000 parts, is so thin-skinned that it must be pressurized to stand...
...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...
Fertilizer & Match Heads. Some states and cities have already taken action, but teen-age rocketeers are hard to discourage. While liquid-fueled rockets are top fashion with amateurs, only a few of them are built. They are too complicated and expensive. But news has got around that respectable rockets can be made out of metal tubing closed at one end and filled with a slow-burning solid fuel...
...solid fuel is by no means a proved item. Solid-charge missiles have less thrust than liquid propellants, cannot carry as heavy a warhead per pound of fuel. Critics of solid fuel argue that it requires a canister that can withstand great pressures, that solid fuel blasts off with a jolt that is rough on the missile's complex guidance systems; the Navy insists that it can control the blastoff, but it has not yet tested its technique on the missile. Another key problem: how to shut off the solid-charge propulsion at the precise point needed to drop...