Flat belt pulleys are used in transmission systems that are driven by flat belts, typically high-speed, low-power applications in textiles ... for the back side of a conventional V-belt. Flat belt ...

You get a flat, and under the carpet ... with a prominent warning about maximum speed on the side. You're probably wondering how long you can drive on it before you get your other tire repaired ...

Testing was originally to be done at Utah's Bonneville Salt Flats, where the team will try to set a world speed record in mid-September but apparently, there's still more work to be done.