Implementing ground effect successfully was becoming crucial to success on the track but understanding of the phenomenon was in its infancy and Ralph Bellamy's F6 was a failure on the track.
Penggunaan ground effect secara sukses menjadi faktor keseuksesan utama dalam lintasan balap namun pengenalan dalam fenomena tersebut masih kecil dan F6 rancangan Ralph Bellamy menjadi salah satu kegagalan di lintasan.