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[Updated on 05 May 2023] In 1939, the Air Corps identified a need for flat, H-type engines for installation in bomber wings. Lycoming had already begun Navy studies for the 24-cylinder H-2470 engine, and the Army arranged to buy two engines under that contract. In 1942, the Navy, proposing the H-2470 for the Curtiss F14C fighter, sent a letter of intent ordering 100 engines, 50 of which were for the Army. With limited Army support, the engine was flight tested in the Vultee XP-54. But again it was clear that the H-2470 could not be ready for use in the war, and the Army dropped the project before the end of 1943. This XH-2470-7 artifact was equipped with a dual rotation propeller shaft. Source https://airandspace.si.edu/collection-objects/lycoming-xh-2470-7-h-24-engine/nasm_A19731557000
import "engine_sim.mr" import "themes/default.mr" import "engines/oror/lycoming_xh2470.mr" use_default_theme() set_engine(eng()) set_vehicle(veh())