Gyro­naut X-1 held the motor­cy­cle Land Speed Record from 1965 to 1970. L-R: AMA Pres­i­dent Earl Flan­ders, dri­ver Bob Lep­pan, Alex Tremulis and mechan­ic Jim Brud­flodt. (For more on this remark­able con­cept, vis­it Gyronautx1.com)