Curiosity Needs an Overhaul

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Two of the raised treads, called grousers, on the left middle wheel of NASA's Curiosity Mars...
Two of the raised treads, called grousers, on the left middle wheel of NASA’s Curiosity Mars rover broke during the first quarter of 2017(Credit: NASA/JPL-Caltech/MSSS)

NASA’s Curiosity rover has been driving across Mars for over four-and-a-half years without an overhaul and it’s starting to show.

According to the space agency, the six aluminum wheels that support the unmanned explorer are starting to show significant signs of wear, with two new small breaks in the metal treads of the left-side middle wheel. However, it’s expected the wheels will go the distance to allow the rover to complete its planned mission.

The wheels on the Curiosity are the largest ever to roll on the sands of the Red Planet. Built by Tapemation in California, the aluminum wheels are 20 in (50 cm) in diameter and 16 in (40 cm) across, with 19 zigzag treads, called grousers, projecting out about a quarter inch to provide traction. Inside the wheels, there are curving titanium spokes for support.

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About the Common Constitutionalist

Brent, aka The Common Constitutionalist, is a Constitutional Conservative, and advocates for first principles, founders original intent and enemy of progressives. He is former Navy, Martial Arts expert. As well as publisher of the Common Constitutionalist blog, he also is a contributing writer for Political Outcast, Godfather Politics, Minute Men News (Liberty Alliance), Freedom Outpost, the Daily Caller, Vision To America and Free Republic. He also writes an exclusive weekly column for World Net Daily (WND).

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