| 41. | This allows much smaller thrusters compared to gridded ion thrusters.
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| 42. | Hall effect thrusters had operated on Soviet satellites since 1972.
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| 43. | The spacecraft was controlled by eight thrusters in two blocks.
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| 44. | Thrusters were pulsed in the time domain to perform rotation or translation.
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| 45. | On 27 May, ion thruster operation was started again.
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| 46. | The thrusters for attitude control to stay aligned with Earth.
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| 47. | Thus, a fully autonomous EHD thruster is theoretically possible.
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| 48. | The BUUV had two kicking legs and a thruster for vertical propulsion.
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| 49. | Maneuvering is accomplished using 4 thrusters and one main propeller.
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| 50. | Firing the thruster causes the lander to fly straight upwards.
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