Word: injector
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Dates: during 1960-1969
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...spacecraft designed without another complete system to back it. Like other systems, the engine had duplicate parts made to take over if its tanks, valves or propellant lines failed. But space and weight limitations had forced the manufacturer, Aerojet-General Corp., to include only a single combustion chamber, fuel injector and nozzle extension skirt (see illustration). The failure of any of these parts could have meant disaster...
...only one combustion chamber, one propellant injector and one nozzle. All these must operate reliably to avoid disaster...
...result was a proposal last summer for a $650,000 "positron injector" which would send a stream of positrons into the accelerator in the opposite direction. The two streams could be made to collide at a given point...
Although the Atomic Energy Commission is believed to have approved the injector proposal, lit is reported to have cut $350,000 that the CEA requested for other improvements...
...particle into a stationary target. But these cohisions, Pipkin said, can only take place in a "ring" where both particles are stored--which could cost as much as $16 million to build. The CEA instead would make a giant storage ring out of its accelerator by adding an injector for positrons to the present one for electrons. The two particles would rotate in opposite directions. At a given point the two streams could be made to collide and the collision tracked and studied...