damage caused by ingesting a bolt. Arfons removed 60 blades out of approximately 1000 in the engine, removing broken blades and their counterparts at 180 degrees, or the pair at +/-120 degrees to maintain balance. He tested it by tying it to trees in his garden, a procedure which drew complaints from his neighbors. This car, painted in red and blue, set the land speed record three times during the close competition of 1964 and 1965 with averages of in the flying mile (despite blowing a tire on the last record run). It competed against Wingfoot Express (built by his brother Walt, who could not pilot the car himself, having suffered a stroke) and Craig Breedlove's Spirit of America – Sonic 1, which eventually set the record at . In 1966, Arfons returned once again to Bonneville, but reached an average speed of only . On run number seven at 8:03 a.m. on November 17, Arfons crashed his vehicle travelling when a wheel bearing seized. He subsequently built another Green Monster land speed record car, but sold it to California rancher Slick Gardner without ever driving it. Later vehicles In view of his wife's concern over the risk involved in land speed record racing, Arfons instead turned his talents to turbine powered tractor pulling with great success, fielding a series of Green Monster tractor pullers, along with his son and daughter. However, in 1989, Arfons returned to Bonneville with Green Monster 27, an , long two-wheeler. The car left the ground at , and Arfons rebuilt it into a less radical four-wheeled vehicle for 1990, but could manage only . In 1991 he tried again, but once again had to give up with handling problems. In popular culture This article was the topic of conversation in the second episode of series two of the web series "Two Of These People Are Lying" hosted by The Technical Difficulties. References External links Jet land speed record cars