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#138945
Tue 08 Jan 2013 01:41:PM
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Joined: Feb 2001
Posts: 381,903
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 381,903 |
An electric sail (ESAIL) produces propulsion power for a spacecraft by utilizing the solar wind. The sail features electrically charged long and thin metal tethers that interact with the solar wind. Using ultrasonic welding,engineers successfully produced a 1 km long ESAIL tether.  Source: Space sailing soon: A one-kilometer-long electric sail tether produced
David Cottle
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