An improved version of the Allison V-1710 engine gave rise to the Curtiss H-87, which began life in 1941 as the P-40D and featured a completely redesigned fuselage. The shorter and deeper nose of t...więcej »
The initial version of the Curtiss P-40, designated by the manufacturer as the Hawk H-81, combined the established airframe of the earlier radial-powered H-75 (P-36) fighter with the Allison V-1710...więcej »