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Comment: Re:Someone with no brain is running NASA (Score 2) 77

by ColaMan (#47710695) Attached to: Wheel Damage Adding Up Quickly For Mars Rover Curiosity

Ultra low temperature silicon rubber springs to mind.

Could have bonded a couple of millimetres thickness onto each alloy wheel. It seems the wheels only break when they have no cushioning underneath them, then the point loads on the tread are too high.

Oh well, I guess they'll know for next time :-)

Comment: Odd material selection (Score 1) 77

by ColaMan (#47710331) Attached to: Wheel Damage Adding Up Quickly For Mars Rover Curiosity

Still unsure as to why they didn't go with polyurethane or hard plastic wheels or similar. Probably about the same weight as the alloy ones, much less susceptible to fatigue.

Might be hard to find something that's good for those temperatures, but surely not that hard. Or were they expecting more sandy areas?

"Pascal is Pascal is Pascal is dog meat." -- M. Devine and P. Larson, Computer Science 340

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