This lasted even less time than before, for Green Monster came back five days later at 576.553 mph (927.872 km/h). November 2, 1965, Breedlove entered the FIA record book with a two-run average of 555.483 mph (893.963 km/h).
In response, Breedlove built an FIA-legal four-wheeler, Sonic I, powered by a 15,000 lbf (67 kN) J79 turbojet. This record stood all of twelve days before Green Monster broke it, recording a two-run average of 536.71 mph (863.75 km/h). This pass was not without incident, however, for one of his drogue parachute's shroud lines parted, and Spirit of America ran on for 5 mi (8.0 km) before hitting a telegraph pole and coming to rest in a lake. With more engine power, Breedlove upped the record to 468.72 mph (754.33 km/h) "ith almost insolent ease", then to 526.28 mph (846.97 km/h), making him the first man to exceed 500 mph (800 km/h). įor 1964, Breedlove faced competition from Walt Arfons' Wingfoot Express (piloted by Tom Green), as well as from brother Art Arfons in his four-wheel, FIA-legal Green Monster. Spirit of America was so light on the ground that it did not even need to change tires afterward. The return pass, on 95% power, turned up a two-way average of 407.45 mph (655.73 km/h). On August 5, 1963, this first Spirit made its first record attempt, using just 90% of available thrust to reach 388.47 mph (625.18 km/h) over the measured mile. In 1962, he made his first attempt, in a freewheeling tricycle (ignoring FIA rules requiring four wheels, at least two driven in the event, FIM happily accepted it) powered by a General Electric J47 turbojet engine. He was the first person in history to reach 500 mph (800 km/h), and 600 mph (970 km/h), using several turbojet-powered vehicles, all named Spirit of America. Spirit of America originally on exhibit at the Museum of Science and Industry in ChicagoĬraig Breedlove (Ma– April 4, 2023) was an American professional race car driver and a five-time world land speed record holder.
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