NASA reinvented the wheel…and it’s made of chain mail!

Chainmail-wheelDuring the mid-2000s, NASA Glenn engineer Vivake Asnani worked with industry partner Goodyear to develop the Spring Tire, an airless compliant tire that consists of several hundred coiled steel wires woven into a flexible mesh, giving the tires the ability to support high loads while also conforming to the terrain. The Spring Tire has been proven to generate very good traction and durability in soft sand and on rocks. This innovation led to an R&D 100 Award for Top Inventions of the Year.

The game changing material that dramatically advanced the development of spring tires was nickel titanium, a shape memory alloy with amazing capabilities as explained by Santo Padula.

See a timeline of how NASA has reinvented the wheel over the years at https://www.nasa.gov/specials/wheels/

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