Word: cracking
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Using special sensors that can "sniff" the chemical signature of a gas, technicians traced the leak to a ¾-in.-long crack in the hot-gas manifold, where hydrogen and oxygen are gathered under high pressure (4,400 Ibs. per sq. in.) before combustion. Undiscovered, the leak might have caused an explosion. This week technicians hope to install a new engine, trucked from the National Space Technology Laboratories in Bay St. Louis, Miss...
NASA last week decided to forgo a test firing of the new $30 million engine. Two other test firings, at $1.5 million each, have already taken place. But the space agency still must weigh new quality-control procedures. The crack that ultimately caused the leak was discovered during the engine's manufacture at Rockwell International's Rocketdyne plant in Canoga Park, Calif. The crack was welded, but it was not considered necessary to take the additional step of hardening the weld (cost: about $200,000). Now the space agency faces extra bills totaling about $4 million...
...while the Harvard relay teams fell a little short, there were some fine individual performances Sophomore Jenny Stricker easily took the 880 with a time of 2 11 45 while teammate Grace deFries took second. The Crimson duo led from the first crack of the gun and none of the other runners came close...
...emotional problems. Last September he was signed by Metromedia for a commercial program. Cottle is acutely sensitive to criticism that he has sold out. Says he: "For years I wrote serious books and got no attention. Now that I'm on television, everyone wants to take a crack...
...United States has the possibility to exert effective and positive leverage on the Salvadoran government with military aid. The threat that such aid will be held back can force the regime in El Salvador to crack down on human rights abuses. But Reagan's certification decision should make it obvious that El Salvador can have its cake...