![]() ![]() ![]() Adapting a jet to carrier use was a much greater challenge than producing a land-based fighter because of slower landing and takeoff speeds required on a small carrier deck. 50-caliber (12.7 mm) machine guns were made in the nose, while racks for eight 5 in (130 mm) High Velocity Aircraft Rockets could be fitted under the wings, although these were seldom used in service. Folding wings were used to reduce the width of the aircraft in storage configuration. The construction methods and aerodynamic design of the Phantom were fairly conventional for the time the aircraft had unswept wings, a conventional empennage, and an aluminum monocoque structure with flush riveted aluminum skin. This engine location also freed up space under the nose, allowing designers to use tricycle gear, thereby elevating the engine exhaust path and reducing the risk that the hot blast would damage the aircraft carrier deck. Placement of the engines in the middle of the airframe allowed the cockpit with its bubble-style canopy to be placed ahead of the wing, granting the pilot excellent visibility in all directions. The engines were buried in the wing root to keep intake and exhaust ducts short, offering greater aerodynamic efficiency than underwing nacelles, and the engines were angled slightly outwards to protect the fuselage from the hot exhaust blast. The final design used the two 19 in (48 cm) engines after it was found to be the lightest and simplest configuration. McDonnell engineers evaluated a number of engine combinations, varying from eight 9.5 in (24 cm) diameter engines down to two engines of 19 inches (48 cm) diameter. The Douglas Aircraft Company had previously been assigned this letter, but the USN elected to reassign it to McDonnell because Douglas had not provided any fighters for navy service in years. Under the 1922 United States Navy aircraft designation system, the letter "D" before the dash designated the aircraft's manufacturer. Three prototypes were ordered on 30 August 1943 and the designation XFD-1 was assigned. McDonnell was invited by the navy to cooperate in the development of a shipboard jet fighter, using an engine from the turbojets under development by Westinghouse Electric Corporation. ![]() In early 1943, aviation officials at the United States Navy were impressed with McDonnell's audacious XP-67 Bat project. The FH Phantom was originally designated the FD Phantom, but this was changed as the aircraft entered production. McDonnell chose to bring the name back with the Mach 2–class McDonnell Douglas F-4 Phantom II, the most versatile and widely used western combat aircraft of the Vietnam War era. As McDonnell's first successful fighter, it led to the development of the follow-on F2H Banshee, which was one of the two most important naval jet fighters of the Korean War combined, the two established McDonnell as an important supplier of navy aircraft. Although only 62 FH-1s were built it helped prove the viability of carrier-based jet fighters. The Phantom was the first purely jet-powered aircraft to land on an American aircraft carrier and the first jet deployed by the United States Marine Corps. The McDonnell FH Phantom is a twinjet fighter aircraft designed and first flown during World War II for the United States Navy. ![]()
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