Word: amplitron
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Dates: during 1959-1959
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...heart of Raytheon's projected system is an "Amplitron" tube, a chunky object 2 ft. high. The tube transmits as much as 25 h.p. on a beam of 10 cm. waves shot into the air by a dish antenna. A nest of these tubes can be focused at a point about 50,000 ft. up. Some of the beams' energy will wander off into space, but Raytheon scientists believe that a saucer-shaped receiver can capture 35% to 50%. Turned into heat, this energy could drive a gas turbine which would drive the helicopter blades...
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