The Spirit of America Sonic I was built by Craig Breedlove, who drove it to a two-way average speed of 600.601 mph on Utah’s Bonneville Salt Flats in 1965. The 34-foot-long needle-nose car is ...

Craig Breedlove’s Spirit of America Sonic 1 employed the transonic area rule via its high-waisted fuselage. Area ruling, which reduces drag at transonic speeds, enabled the early 1960s Convair F ...