News tagged with wheels


Second Planned Extrication Drive is Straight Ahead Again

Second Planned Extrication Drive is Straight Ahead Again

Space & Earth / Space Exploration

created Nov 19, 2009 | popularity 3.8 / 5 (4) | comments 0

(PhysOrg.com) -- Because the first extrication drive for Spirit, on Sol 2088 (Nov. 17), stopped as soon as it began due to an exceeded tilt limit, the plan for an extrication drive on Sol 2090 (Nov. 19) wil ...


Longer Tests Beginning

Free Spirit: Longer Rover Tests Beginning

Space & Earth / Space Exploration

created Jul 27, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- Mars rover team members have begun a new phase of testing at JPL -- using longer-duration experiments -- in their preparations for driving Spirit again on Mars.





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Rover Tests Evaluating Crabwalk Moves

Rover Tests Evaluating Crabwalk Moves

Space & Earth / Space Exploration

created Jul 13, 2009 | popularity 5 / 5 (1) | comments 0

On firm ground, NASA's Mars Exploration Rovers can make crablike moves by turning all four steerable wheels to the same side angle, then rotating the wheels either forward or backward.


Soft Ground Puts Spirit in Danger Despite Gain in Daily Energy

Spirit rover's wheels stuck in soft Martian dirt

Space & Earth / Space Exploration

created May 12, 2009 | popularity 4.4 / 5 (9) | comments 0

(PhysOrg.com) -- The five wheels that still rotate on NASA's Mars Exploration Rover Spirit have been slipping severely in soft soil during recent attempts to drive, sinking the wheels about halfway into the ...


Gyrowheel to keep new bike riders upright

Gyrowheel to keep new bike riders upright (w/ Video)

Technology / Hi Tech

created Oct 21, 2009 | popularity 4.9 / 5 (13) | comments 13

(PhysOrg.com) -- A new device called the Gyrowheel could soon revolutionize the way children learn to ride bicycles, and they will be able to learn on their own, without training wheels, and in as little as ...


Rear Wheel Trouble Continues

Spirit Rover: Rear Wheel Trouble Continues

Space & Earth / Space Exploration

created Dec 10, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- Results of diagnostic tests on Spirit's right-rear wheel on Sol 2109 (Dec. 8, 2009) continue to indicate a troubled wheel, which may leave the rover with only four operable wheels.


Rover Extraction Tests Begin

Rover Extraction Tests Begin (w/ Video)

Space & Earth / Space Exploration

created Jul 07, 2009 | popularity 2 / 5 (1) | comments 0

Using a test rover in a sandbox at JPL with special soil simulating Spirit's predicament on Mars, engineers are assessing possible maneuvers for getting Spirit out and onto firmer ground.


Yamaha BOBBY

Ride your briefcase to work with Yamaha's BOBBY scooter

Technology / Engineering

created Nov 01, 2007 | popularity 4.3 / 5 (14) | comments 0

A new mini-scooter from Yamaha can fold up to resemble a suitcase on wheels. The Yamaha BOBBY, which was recently debuted at the 2007 40th Tokyo Motor Show, will include a variety of Internet features (yet ...


Artist's impression of GIOVE-B in orbit

GIOVE-B spacecraft in good health

Space & Earth / Space Exploration

created Apr 30, 2008 | popularity 3.5 / 5 (2) | comments 0

A second test satellite for Galileo, Europe's rival to the US Global Positioning System, is "in good health" despite a hiccup that emerged after it was placed in orbit last Sunday, the European Space Agency ...


Mars and Earth Activities Aim to Get Spirit Rolling Again

Mars and Earth Activities Aim to Get Spirit Rolling Again

Space & Earth / Space Exploration

created May 19, 2009 | popularity 5 / 5 (5) | comments 2

(PhysOrg.com) -- NASA's rover project team is using the Spirit rover and other spacecraft at Mars to begin developing the best maneuvers for extracting Spirit from the soft Martian ground where it has become ...


Right-Front Wheel Rotations

Spirit Rover: Right-Front Wheel Rotations

Space & Earth / Space Exploration

created Dec 18, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- Spirit's right-front wheel, which had stopped operating in March 2006, revolved with apparently normal motion during the first three of four driving segments on Sol 2117 (Wednesday, Dec. 16) ...


Axel rover prototype

Researchers Test Steep-Terrain Rover

Space & Earth / Space Exploration

created Feb 05, 2009 | popularity 3 / 5 (1) | comments 1

(PhysOrg.com) -- Engineers from NASA's Jet Propulsion Laboratory and students at the California Institute of Technology have designed and tested a versatile, low-mass robot that can rappel off cliffs, travel ...



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