Word: engineeer
(lookup in dictionary)
(lookup stats)
Dates: during 1960-1969
Sort By: most recent first
(reverse)
Fully fueled with hypergolic liquids,* the Navy rocket weighs only 700 lbs.; the 1,300-lb. thrust of its engine can easily lift it off the ground. Setting the rocket down gently and upright is a much tougher task. To postpone some of the problems, the Navy flies the rocket...
The soft-landing rocket has a special NOTS engine (named after the Naval Ordnance Test Station) with a delicately variable thrust. When it blasts off, the rocket climbs the cables as long as the thrust of its engine is greater than its total weight. When the thrust is reduced by...
The Navy is encouraged by its success in making an engine with a thrust that can be controlled so precisely. But engineers who have been working on the rocket since 1958 realize only too well that many a problem remains before far-flying spaceships can make such soft landings on...
The leisurely world of Cayley's youth knew little about the mechanics of aviation, but the Industrial Revolution was transforming England; bold ideas were sprouting in a climate of change. In 1792 Cayley was already experimenting with a model helicopter. He came down to earth for a while in...
More Power. Cayley was convinced that if he could find the proper engine, he could make his machine fly. "The best mode of producing the propelling power," he wrote, "is the only thing that remains yet untried towards the completion of the invention ... I feel perfectly confident that this noble...