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Stuck, in a Sea of Sand: will the "K-turn" help to save the day? (1)
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Da "Mars Daily" del 4 Maggio 2005:"The Opportunity Team continues working with an engineering test rover on Earth to determine the safest way to attempt to drive the Rover out of the dune where it's currently parked on Mars. In the meantime, Opportunity is collecting science data with its instruments and cameras.
Opportunity used the PanCam to acquire images of the Rover's far tracks, where Opportunity had performed a successful "K-turn" at the start of the drive on Sol 446.
A "K-turn" is the technique engineers have figured out for safely turning the Rover 180° while the right front wheel is stuck in a position of 7° left of straight ahead.
To turn 180°, the Rover makes smaller arcing movements without cranking the wheels as much as a normal during a 180° turn. These movements create a "K" shape in the soil".
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