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Kawanishi E10K

From Wikipedia, the free encyclopedia
Japanese flying boat
E10K/Navy Type 94 Transport
RoleNight reconnaissance/Transportflying boat
Type of aircraft
National originJapan
ManufacturerKawanishi Aircraft Company
First flight10 September 1934
Primary userImperial Japanese Navy
Number built1

TheKawanishi E10K, also known asKawanishi Type T,Kawanishi Navy Type 94 Transport Seaplane andKawanishi Navy Experimental 9-Shi Night Reconnaissance Seaplane, was a small Japaneseflying boat of the 1930s. It was a single-enginedbiplane intended to meet a requirement for a nightreconnaissance aircraft for theImperial Japanese Navy but was not selected for production, the single prototype being converted to a transport and operated as theNavy Type 94 Transport.

Design and development

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In 1934, the Imperial Japanese Navy issued a specification for a night reconnaissance aircraft, intended to shadow enemy ships at night, allowing submarines to be directed to their targets and, in a surface action, to spot for the guns of the fleet. This concept had been tested with theAichi Experimental 6-Shi Night Reconnaissance Flying boat, which had proved unsuitable for service use. The aircraft was required to have good endurance and slow speed stability to help its crews in flying long missions at night, while it also needed to be suitable for catapulting from warships.[1]

Contracts were awarded to bothAichi andKawanishi to design and build prototypes to meet the requirement. Kawanishi's design, with the company designationKawanishi Type T was a single-enginedtractor configuration biplane of all-metal construction. Itssingle-bay wings, which folded backwards for storage on ship, were based on those of theKawanishi E7K reconnaissancefloatplane, while theNakajima Kotobukiradial engine was mounted forward of the top wing. The stressed-skin hull held a crew of three, with pilot and co-pilot sitting in an enclosed cockpit, while the gunner/observer sat in the nose, armed with a single flexibly mounted machine gun.[2]

Operational history

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The Type T made its maiden flight on 10 September 1934.[2] Testing proved unsuccessful, with water handling problems and poor stability in the air, and the Navy considered it unsuitable for the night reconnaissance role, instead ordering the competing Aichi design into production as theE10A.[3]

Kawanishi converted the Type T to a utility transport, fitting it with a retractable beaching gear, and, as such, it entered service with the Navy as the Navy Type 94 Transport but no production followed.[3]

Specifications (Type 94 Transport)

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Data from Japanese Aircraft 1910–1941[3]

General characteristics

  • Crew: 3
  • Length: 15.00 m (49 ft 3 in)
  • Wingspan: 11.00 m (36 ft 1 in)
  • Height: 4.40 m (14 ft 5 in)
  • Wing area: 52.0 m2 (560 sq ft)
  • Empty weight: 2,300 kg (5,071 lb)
  • Gross weight: 3,380 kg (7,452 lb)
  • Powerplant: 1 ×Nakajima Kotobuki 4-kai 9-cylinder air-cooledradial engine, 530 kW (710 hp)
  • Propellers: 3-bladed fixed-pitch metal propeller

Performance

  • Maximum speed: 189 km/h (117 mph, 102 kn)
  • Cruise speed: 110 km/h (69 mph, 60 kn)
  • Range: 1,190 km (740 mi, 640 nmi)
  • Service ceiling: 3,460 m (11,350 ft)

See also

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Aircraft of comparable role, configuration, and era

Notes

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  • a In the Japanese Navy designation system, specifications were given aShi number based on the year of the Emperor's reign it was issued. In this case 9-Shi stood for 1934, the 9th year of theShōwa era.[4]
  1. ^Mikesh and Abe 1990, p. 138.
  2. ^abMikesh and Abe 1990, pp. 138–139.
  3. ^abcMikesh and Abe 1990, p. 139.
  4. ^Mikesh and Abe 1990, pp. 2, 286.

References

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  • Mikesh, Robert and Shorzoe Abe.Japanese Aircraft 1910–1941. London: Putnam, 1990.ISBN 0-85177-840-2.
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