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Kawanishi N1K1 Kyofu (Rex)

1943 WORLD WAR 2

History

In the early days of World War II (1939-1945), the Japanese authorities realized that their conquest of the Pacific would strain the range of their carrier groups and limit the effectiveness of deck-launched fighters and bombers. Expensive and complex airfield construction would also limit the Empire's forward-fighting capabilities, so the pressure to develop a system centered on the use of seaplanes and not requiring a fixed point on the map to operate has decreased.

Imperial Japan became the only major player in the war to emphasize dedicated "fighter jets" (other powers simply banned these types of aircraft for missions such as reconnaissance, artillery reconnaissance, and anti-ship) because they understood their strategy as the war progressed. limitations on.

Development of dedicated fighter jets began in 1940 with a project to take an existing single-seat design with additional seaplane capability to maintain a reasonable offensive strike without compromising combat performance. Kawanishi was ultimately responsible for the program, while Nakajima was tasked with developing a seaplane version of the famous Mitsubishi A6M "Zero" naval fighter for service during this period.

Kawanishi eventually returned with the N1K "Kyofu" which, unlike many seaplanes of the time, used a monoplane configuration (rather than a biplane configuration). Its landing gear features a large central float, with smaller retractable floats added under each wing.

The fuselage is rounded and highly streamlined, with a tapered tail that secures a single vertical tail and horizontal plane to the sides. The single-seat cockpit sits under a heavy-frame canopy, which usually provides a good view of the aircraft - visibility is of course hampered by the large main wing elements and long nose. The engine is located in the bow area, covered by a twin-blade counter-propeller unit, and propulsion comes from a Mitsubishi Kasei 14 radial engine with 1,460 hp.

The combat flaps adjust automatically in flight according to the aircraft's acceleration - a rather unique feature of this new aircraft. The armament is the same as the A6M fighter, combining 2 x 20mm cannons and 2 x 7.7mm machine guns, while under the wings can carry bomb loads of up to 132 lb (2 x 66 lb).

The first flight of the N1K prototype took place on May 6, 1942, and tests showed generally poor results for the reverse propeller arrangement. As a result, the feature was dropped in favor of a more conventional engine and gearbox driving a three-blade propeller system. The move was also used to replace the Kasei 14 series radial engine with a similar horsepower Kasei 13 model. The retractable nature of the outboard underwing seaplane did not make it into its final form, these attachments remained in place during flight.

Overall, the IJN pilots who evaluated the mount appreciated their new productexcept for the launch characteristics that required special attention to control. Once in the air, combat seaplanes are a solid investment with excellent maneuverability.

After the evaluation period ended, the N1K was adopted as the N1K1 "Kyofu" and launched in 1943 when it was accelerated at the Japanese factory. At this point in the war, the Japanese Navy is still betting its future on whether its A6M Zero fighters can successfully maintain air supremacy in the theater, and that seems to be a reality until Allied tactics and fighters finally catch up, Japan Skills are in the sky. The changing face of the war in 1943, combined with a slow procurement program, meant that the N1Ks arrived in useful quantities only after the Japanese lost air initiative.

As such, its intended role as a forward combat fighter was neutralized by the lack of forward combat positions that had now fallen into the Allied advance - essentially, the N1K filled a battlefield role that no longer existed.

This resulted in the production of the N1K1 being phased out fairly quickly in March 1944, with fewer than 100 delivered. Participating in some of the final operations of the Pacific War, the series ended as part of Japan's homeland defense against increasing Allied bombing raids. At some point, a successor with a bigger engine should be built for the N1K1 - this group should become the N1K2. However, only the names are preserved and this work yields nothing. Previously, while development of the N1K seaplane was still in progress, Kawanishi had also managed to sell to Japanese authorities a version of the plane intended to be used as a land-based fighter jet - faster and leaner, as there was no fixed flotation equipment.

This became the N1K2-J "Shiden" ("George") front, which proved to be a formidable opponent to the vaunted American lineup of Grumman, Vought and North American fighters in the Pacific skies. This aircraft, although available in limited numbers, is undoubtedly even more impressive with its combat history.

The N1K1 was codenamed "Rex" by the Allies.