 On 13 May 1954, with the help of a set of rigid wooden wings, he finally managed some kind of stability with the initial spiral.Valentin later claimed that he managed to fly for three miles using his wooden wings.On 21 May 1956 Valentin was at a Whitmonday air show in Liverpool before 100,000 spectators (including Beatles Paul McCartney and George Harrison, as well as three-year-old Clive Barker, who would later reference Valentin in his work), using wings similar to the wooden ones that had brought him success in the past, but longer and more aerodynamic.