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    ESA > Space in Images > 2002 > 08 > Warmed helium gas actuator

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    Warmed helium gas actuator

    Warmed helium gas actuator
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    • Title Warmed helium gas actuator
    • Released 06/08/2002 10:43 am
    • Copyright Rutherford Appleton Laboratory
    • Description

      Actuator for use on the Rosetta mission to the planet Wirtanen - when the shape memory alloys (SMA) actuator is heated it returns to its straight form snapping off the pillar and releasing the helium


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