The Curtiss XP-42 was an experimental fighter built by Curtiss Aircraft in the late 1930s to research engine cooling and improving the performance of the Curtiss P-36 Hawk. == Design and development == The fourth production P-36 (serial 38-004) became a development platform for a direct successor, designated XP-42 by the USAAC. The XP-42 was powered by a Pratt & Whitney R-1830 "Twin Wasp" engine fitted with a longer, streamlined cowling and a large propeller spinner.
The Curtiss XP-42 was an experimental fighter built by Curtiss Aircraft in the late 1930s to research engine cooling and improving the performance of the Curtiss P-36 Hawk. == Design and development == The fourth production P-36 (serial 38-004) became a development platform for a direct successor, designated XP-42 by the USAAC. The XP-42 was powered by a Pratt & Whitney R-1830 "Twin Wasp" engine fitted with a longer, streamlined cowling and a large propeller spinner.
Source: Wikipedia "Curtiss XP-42" · CC BY-SA 4.0
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