Nope… at least not in sport cars and IMHO not anytime soon. They have been working on these for years since I was at uni, and after 17 years I still have not seen an actual product on the shelf.
In a sign of the times, Michelin plan to launch their line of roadgoing Uptis NPT line in 2024, not in North America or Western Europe, but in APAC.
yes, you are correct!
I’m pretty sure I first something about this kind of spoked airless tyre back in the late 90s.