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Vacuum rated gears help test ion thrust propulsion system

机译：真空额定齿轮有助于测试离子推力推进系统

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摘要

Stepper motor and gearbox combinations are helping to simulate the extreme conditions that ion thrusters will experience in next generation spacecraft. As a leading European player in Electric Propulsion (EP) design and development, QinetiQ manufactures ion thrusters which harness electrical energy to accelerate propellant to high velocity. Whilst the acceleration levels are small, when operating in space these devices propel and position spacecraft with extreme accuracy and with efficiency levels that are an order of magnitude better than with conventional liquid propulsion systems. QinetiQ's developments in this technology has opened the possibility to extend commercial satellite mission life and allow exploration spacecraft to venture further with enhanced payload capability, greater operational flexibility and reduced cost.
机译：步进电机和齿轮箱的组合有助于模拟离子推进器在下一代航天器中将经历的极端条件。作为欧洲电力推进（EP）设计和开发领域的领先企业，QinetiQ生产离子推进器，该离子推进器利用电能将推进剂加速至高速。尽管加速度很小，但是当在太空中运行时，这些设备可以以极高的精度推动和定位航天器，而效率水平要比传统液体推进系统好一个数量级。 QinetiQ在这项技术上的发展为延长商业卫星任务寿命提供了可能性，并允许探索航天器以增强的有效载荷能力，更大的操作灵活性和更低的成本进一步冒险。

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