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Tachikawa KS 1933 Year 1/72 Scale Plastic Model Kit Amodel 72236

Theme: Military

Era : 1919-1938

Scale : 1/72

Material : Plastic

Series: Legendary Aircrafts

Recommended Age Range: 12 Years & Up

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KS Small Survey Aircraft
A modification of the KKY-2 into a civil photographic survey aircraft for the Department of Railways. It had additional large windows in the cabin sides behind the wing trailing edge and another in the cabin floor, a survey camera and seats for a survey crew of three. Two were built in 1939.

The Tachikawa KKY, full name Tachikawa Army Small and Light Ambulance Aircraft was designed to rescue injured or sick patients from places without established airfields. Following two earlier prototypes, 21 production examples were built between 1936 and 1940 and served in the Second Sino-Japanese War.

The Japanese Army placed an order for a small ambulance aircraft, capable of using rough airstrips and holding two stretcher cases and a medical attendant, in August 1932 with what was then the Aeroplane Factory of Ishikawajima Shipbuilding Company. Though the prototype was completed in December 1933, its development was protracted and it was not ready for production until 1936. By then the Ishikawajima concern had become the Tachikawa Aeroplane Co.

It was a single bay cabin biplane with wings attached to the upper and lower longerons and braced on each side with near-parallel interplane struts. The wings had wooden structures and were fabric-covered.

The KKY was powered by a 120–130 hp (89–97 kW) Cirrus Hermes IV four cylinder air-cooled, inverted inline engine and the later KKY-2 by a 150 hp (110 kW) Gasuden Jimpu seven cylinder radial engine. The fuselage had a welded steel tube structure, flat-sided behind the engine, with a windowed cabin that included the pilot's seat just ahead of the wing leading edge and the patients and attendant under the wing. The tail, with an aluminium structure and fabric-covered, was conventional, with a tailplane on top of the fuselage and braced to it from below. The vertical tail had a strongly blunted triangular profile.

As its purpose was to rescue patients from rough airfields or unmade airstrips, the ambulance needed a robust undercarriage. This had split axles mounted on a short, central, V-strut from the fuselage underside. Both short, faired shock absorber legs and their rearward drag struts were mounted on the lower fuselage longerons. Wheels with wide, low-pressure tyres were available for missions to unmade strips.