Kawanishi E11K: Difference between revisions
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{{Short description|Japanese flying boat}} |
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==Development and design== |
==Development and design== |
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In 1936 the [[Imperial Japanese Navy]] drew up a requirement for an aircraft to replace the [[Aichi E10A|Aichi Type 96 Reconnaissance Seaplane]] as a specialised night reconnaissance aircraft, intended to spot naval gunfire in night actions and to shadow enemy forces at night, allowing submarines to be directed to targets.<ref name="Mikesh p139">{{Harvnb|Mikesh|Abe|1990|p=139.}}</ref> The requirement was passed to [[Aichi Kokuki|Aichi]] and [[Kawanishi Aircraft Company|Kawanishi]], with both companies producing aircraft to meet the navy's needs. While Aichi produced a [[biplane]] similar to the aircraft that was to be replaced, Kawanishi designed a [[gull wing]]ed [[Cantilever# |
In 1936 the [[Imperial Japanese Navy]] drew up a requirement for an aircraft to replace the [[Aichi E10A|Aichi Type 96 Reconnaissance Seaplane]] as a specialised night reconnaissance aircraft, intended to spot naval gunfire in night actions and to shadow enemy forces at night, allowing submarines to be directed to targets.<ref name="Mikesh p139">{{Harvnb|Mikesh|Abe|1990|p=139.}}</ref> The requirement was passed to [[Aichi Kokuki|Aichi]] and [[Kawanishi Aircraft Company|Kawanishi]], with both companies producing aircraft to meet the navy's needs. While Aichi produced a [[biplane]] similar to the aircraft that was to be replaced, Kawanishi designed a [[gull wing]]ed [[Cantilever#Aircraft|cantilever]] [[monoplane]]. It was powered by a single [[Hiro Type 91 (engine)|Hiro ''Type 91'']] [[W engine]] in a [[pusher configuration]], mounted on struts above the wing and driving a four-bladed propeller. The radiator was mounted in a fairing above the rear fuselage so that it was located in the propeller's slipstream. It was fitted with retractable wingtip floats, while its wings folded to aid storage aboard the [[cruiser]]s of the Japanese Navy.<ref name="Mikesh p139-0">{{Harvnb|Mikesh|Abe|1990|pp=139–140.}}</ref><ref name="Green v5 p129">{{Harvnb|Green|1968|p=129.}}</ref> |
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The first of two prototypes of Kawanishi's design, the '''Experimental 11-''Shi'' Special Reconnaissance Seaplane''',{{ref label|Note1|a|a}} with the short designation E11K, made its maiden flight on 11 June 1937. It proved to have poor stability and water handling, while the engine installation overheated. It was unsuitable for the night reconnaissance role, with the Aichi design proving generally superior and being ordered into production as the [[Aichi E11A]].<ref name="Mikesh p139"/> |
The first of two prototypes of Kawanishi's design, the '''Experimental 11-''Shi'' Special Reconnaissance Seaplane''',{{ref label|Note1|a|a}} with the short designation E11K, made its maiden flight on 11 June 1937. It proved to have poor stability and water handling, while the engine installation overheated. It was unsuitable for the night reconnaissance role, with the Aichi design proving generally superior and being ordered into production as the [[Aichi E11A]].<ref name="Mikesh p139"/> |
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|eng1 name= [[Hiro Type 91 (engine)|Hiro Type 91]]-1 |
|eng1 name= [[Hiro Type 91 (engine)|Hiro Type 91]]-1 |
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|eng1 type= water-cooled twelve-cylinder [[ |
|eng1 type= water-cooled twelve-cylinder [[W engine]] |
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|eng1 kw= 450<!-- prop engines --> |
|eng1 kw= 450<!-- prop engines --> |
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|eng1 hp= 620<!-- prop engines --> |
|eng1 hp= 620<!-- prop engines --> |
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Latest revision as of 17:30, 31 December 2023
| E11K | |
|---|---|
| |
| Role | Night reconnaissance/transport flying boat |
| National origin | Japan |
| Manufacturer | Kawanishi Aircraft Company |
| First flight | 11 June 1937 |
| Primary user | Imperial Japanese Navy |
| Number built | 2 |
The Kawanishi E11K was a Japanese flying boat of the 1930s. It was designed as a night reconnaissance aircraft for the Imperial Japanese Navy, but was not accepted, the two aircraft built being used as transports as the Type 96 Transport Flying Boat during the Second World War.
Development and design
[edit]In 1936 the Imperial Japanese Navy drew up a requirement for an aircraft to replace the Aichi Type 96 Reconnaissance Seaplane as a specialised night reconnaissance aircraft, intended to spot naval gunfire in night actions and to shadow enemy forces at night, allowing submarines to be directed to targets.[1] The requirement was passed to Aichi and Kawanishi, with both companies producing aircraft to meet the navy's needs. While Aichi produced a biplane similar to the aircraft that was to be replaced, Kawanishi designed a gull winged cantilever monoplane. It was powered by a single Hiro Type 91 W engine in a pusher configuration, mounted on struts above the wing and driving a four-bladed propeller. The radiator was mounted in a fairing above the rear fuselage so that it was located in the propeller's slipstream. It was fitted with retractable wingtip floats, while its wings folded to aid storage aboard the cruisers of the Japanese Navy.[2][3]
The first of two prototypes of Kawanishi's design, the Experimental 11-Shi Special Reconnaissance Seaplane,[a] with the short designation E11K, made its maiden flight on 11 June 1937. It proved to have poor stability and water handling, while the engine installation overheated. It was unsuitable for the night reconnaissance role, with the Aichi design proving generally superior and being ordered into production as the Aichi E11A.[1]
Operational history
[edit]The two prototypes were fitted with retractable beaching gear, in order to serve as a utility transport aircraft, and was accepted into service by the Japanese Navy as the Type 96 Transport.[b] These aircraft were used as liaison aircraft for reconnaissance seaplane squadrons and remained in use well into the Second World War.[1][4]
Specifications
[edit]Data from Japanese Aircraft 1910–1941[5]
General characteristics
- Crew: 3
- Length: 11.90 m (39 ft 1 in)
- Wingspan: 16.19 m (53 ft 1 in)
- Height: 4.504 m (14 ft 9 in) (Transport aircraft 4.40 m (14 ft 5.25 in))
- Wing area: 38 m2 (410 sq ft)
- Empty weight: 2,170 kg (4,784 lb) (Transport aircraft 2,720 kg (5,996 lb))
- Gross weight: 3,300 kg (7,275 lb) (Transport aircraft 3,860 kg (8,509 lb))
- Powerplant: 1 × Hiro Type 91-1 water-cooled twelve-cylinder W engine, 450 kW (620 hp)
- Propellers: 4-bladed
Performance
- Maximum speed: 232 km/h (144 mph, 125 kn)
- Cruise speed: 130 km/h (81 mph, 70 kn)
- Range: 1,520 km (940 mi, 820 nmi)
- Endurance: 8.4 hr
- Service ceiling: 3,795 m (12,450 ft)
See also
[edit]Aircraft of comparable role, configuration, and era
Related lists
Footnotes
[edit]- a In the Japanese Navy designation system, specifications were given a Shi number based on the year of the Emperor's reign it was issued. In this case 11-Shi stood for 1936, the 11th year of the Shōwa era.[6]
- b Kawanishi had made a similar modification to its earlier Kawanishi E10K, which had lost out to the Aichi E10A, producing the Navy Type 94 Transport.[1]
References
[edit]
Notes
[edit]- ^ a b c d Mikesh & Abe 1990, p. 139.
- ^ Mikesh & Abe 1990, pp. 139–140.
- ^ Green 1968, p. 129.
- ^ Green 1968, p. 130.
- ^ Mikesh & Abe 1990, p. 140.
- ^ Mikesh & Abe 1990, pp. 2, 286
Bibliography
[edit]- Green, William (1968). War Planes of the Second World War: Volume Five, Flying Boats. London: Macdonald. ISBN 0-356-01449-5.
- Mikesh, Robert; Abe, Shorzoe (1990). Japanese Aircraft 1910–1941. London: Putnam. ISBN 0-85177-840-2.