Damage on Wheel Continues Sol 1315

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8 years 2 weeks ago #4841 by dude

Damage on Wheel Continues Sol 1315 was created by dude

mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=1315MH0002620000500463E01_DXXX&s=1315
unfortunately the damage on the middle wheel has gotten worse. the wheel has maintained it's shape although & the cracks don't continue to the outer edge. I think that a rock could become lodged into one of the holes & cause more of a problem. I also think that NASA took a big risk with their designed logo holes from the beginning! if I had done that design , then with my luck, a rock would have lodged in the first 50 feet.

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retired mechanical designer.

8 years 2 weeks ago #4842 by ??

Replied by ?? on topic Damage on Wheel Continues Sol 1315

Thanks, dude. I downloaded those. :cheer:

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8 years 2 weeks ago #4843 by Will Farrar

Replied by Will Farrar on topic Damage on Wheel Continues Sol 1315

The wheels surely should have a different design. Imagine some knobby tires. Its not like it is doing burnouts. The outside of the metal could have been wrapped in a knobby type of tire and even if it fell off since it would not have air in it.. It would just fall off and the metal wheel below (like is there now) will keep on going. Curiosity could go 14 years on the battery at 125 watts and after the 14 years the plutonium-238 will have decayed enough to drop the wattage to 100 watts. The system could possibly function all the way down to 50 watts. But the wheels will be gone by then!

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8 years 2 weeks ago #4844 by ??

Replied by ?? on topic Damage on Wheel Continues Sol 1315

I agree. Thanks.

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8 years 2 weeks ago #4850 by Todd

Replied by Todd on topic Damage on Wheel Continues Sol 1315

Eventually they will probably be driving backwards. Between Sol 1285 and Sol 1308 there have been a few drive failures for various reasons, however the RTG short seems to be the most common problem lately.

www.planetary.org/blogs/emily-lakdawalla/2016/04131258-curiosity-update-sols-1250-1310.html

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