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Sunlight-powered propulsion system passes a big test
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Sunlight-powered propulsion system passes a big test
Bothell, Wash.-based Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a vacuum chamber, marking a first for the commercial space industry. The test marks a key step in the development of Portal’s 3D-printed heat exchanger thruster, known as Flare. The thruster is part of a propulsion system that converts concentrated sunlight into heat. That heat would warm up an ammonia-…
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