Word: onboard
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...high tech also gets mixed in. Many drivers now have onboard computers to record fuel pressure and other parameters. A few teams have even started to use wind-tunnel testing. "First thing you know," says Garlits, "a computer'll be telling us what...
Even then the onboard computer, sensing the slightest glitch, could still abort a launch. As it happened, Resnik had been aboard the shuttle Discovery in June 1984 when, four seconds before the spacecraft's three main engines were to ignite for lift-off, the computer noted that the thrust from one of them was not at the proper level. The fuse was immediately pinched...
...when the oscillator could be turned on long enough for it to stabilize. This un- likely confluence actually occurred in late April. After the controllers reprogrammed NOAA-8's computer, they reoriented the satellite and restored its power. Last week the rescue team was testing the craft's onboard systems in preparation for returning it to full service in July. Said Controller Gilbert Phelps: "It was simply a matter of keeping...
...cargo bay. But soon all contact with Westar, built by Hughes Aircraft, was lost. Its transmitters were silent. Ground-based trackers could not tell whether its booster, which was to have propelled it into a geostationary "parking place" 22,300 miles above the equator, had misfired or some onboard electronics had failed. Desperately trying to bring the satellite back to life, if indeed there were still any electronic stirrings in the complex machine, the controllers blindly sent radio signals into space. Later the trackers detected a number of unidentified objects orbiting behind the shuttle. Officials gloomily speculated that they might...
...likely to be weeks before experts of the manufacturer, General Dynamics Corp., determine the cause of the accident. Speculation among technicians centered on possible flaws in the TERCOM onboard computer program, which is designed to keep the missile on track with the preprogrammed terrain features below. It was the fourth such accident since mid-1979 along the ten-mile-wide test-flight path, one that happens to come within ten miles of Ronald Reagan's ranch. But the Pentagon says that the test results, on the whole, are not worrisome: of the 81 Tomahawk flights so far, 61 have...