Aerodynamics of the Bell P-39 Airacobra and P-63 Kingcobra

This paper provides a retrospective of the aerodynamics of the Bell P-39 Airacobra and the Bell P-63 Kingcobra. Design details and information obtained from several drag reduction investigations conducted on these aircraft are presented. Additionally, results from a modern Computational Fluid Dynamics analysis of these aircraft are shown.