A myth surrounding the origins of the P-51 Mustang is linked to the North American Aviation (NAA) purchase of test data on the P-40 and P-46.
Curtiss JN-4 | Curtiss Aeroplane and Motor Company | Glenn Curtiss | Curtiss P-40 Warhawk | Curtiss-Wright | Curtiss | Roy Curtiss | John Curtiss Underwood | Curtiss V-1570 | Curtiss OX-5 | Curtiss-Wright CW-19 | Curtiss Robin | Curtiss NC | Curtiss Flying School | Curtiss Candy Company | Curtiss C-6 | The aircraft Curtiss Robin "St. Louis" (right) during the record flight July 13–30, 1929, St. Louis, Missouri. Its operators were Dale Jackson and Forest O'Brine. A Flight endurance record | Louis Curtiss Studio Building | Louis Curtiss | Curtiss-Wright CW-12 | Curtiss-Robertson Airplane Manufacturing Company | Curtiss PN-1 | Curtiss Model H | Curtiss F11C Goshawk | Curtiss A-8 | 1918 Curtiss Jenny airmail stamps |
A number of changes were made for installing the 700 hp (520 kW) Curtiss V-1570 Conqueror engine.
Powered by a 700 hp (520 kW) R-1750 Cyclone radial, its performance was dismal, despite retractable leading edge slots and large trailing-edge flaps, so a 600 hp (450 kW) Curtiss V-1570 Conqueror was substituted.