The Kawanishi K-12 Sakura (さくら, "Cherry Blossom"[1]) was a Japanese experimental long-range aircraft of the 1920s, intended to be the first aircraft to fly non-stop across the Pacific Ocean. Two examples of the K-12, a single-engined high-winged monoplane were built. As testing showed that its performance was inadequate, it was abandoned, no attempt being made on the trans-Pacific flight.
In September 1927 the Japanese aircraft company Kawanishi Engineering Works starting the design of an aircraft meant to carry out a non-stop flight across the Pacific between Japan and the United States, hoping to win a cash prize offered by a major Japanese newspaper for the first aircraft to make such a flight. Kawanishi's design, the K-12 Sakura, was a large high-winged monoplane of all-wooden construction, with a fixed tailwheel undercarriage, powered by a single BMW VIV12 engine, licence built by Kawasaki. Two aircraft were planned, the first to be used for training and as a stand-by for the second aircraft, which was to make the Pacific attempt.[1] When completed in May 1928, it was the largest aircraft to be built yet by Kawanishi, and the largest and heaviest single-engined landplane to be built in Japan.[2]
The aircraft was christened the Nichi-Bei-Go (Japan-US Model), and was planned to carry out the trans-Pacific flight over the North Pacific later in the year.[2] However, during flight testing, it was discovered that the airframe was too heavy and could not carry sufficient fuel to safely make the flight to the United States, with it not being practicable to modify the aircraft to solve these problems.[3] It was therefore abandoned, with the first prototype being left hanging from the ceiling of the assembly shop of the Kawanishi factory for several years, allegedly as an example of "How not to design and build a Special- Purpose Aeroplane".[2][4]
Bueschel, Richard (February 1963). "They didn't quite...No. 17: Kawanishi K-12 'Sakura'". Air Pictorial. Vol. 25, no. 2. pp. 46–47.
Mikesh, Robert C.; Abe, Shorzoe (1990). Japanese Aircraft, 1910-1941. London: Putnam. ISBN0-85177-840-2..
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May 04, 2024
kawanishi, sakura, さくら, cherry, blossom, japanese, experimental, long, range, aircraft, 1920s, intended, first, aircraft, stop, across, pacific, ocean, examples, single, engined, high, winged, monoplane, were, built, testing, showed, that, performance, inadequ. The Kawanishi K 12 Sakura さくら Cherry Blossom 1 was a Japanese experimental long range aircraft of the 1920s intended to be the first aircraft to fly non stop across the Pacific Ocean Two examples of the K 12 a single engined high winged monoplane were built As testing showed that its performance was inadequate it was abandoned no attempt being made on the trans Pacific flight K 12 Sakura Role Long range record breaking aircraft National origin Japan Manufacturer Kawanishi Aircraft Company First flight 1928 Number built 2 Contents 1 Development and design 2 Specifications 3 References 4 External linksDevelopment and design editIn September 1927 the Japanese aircraft company Kawanishi Engineering Works starting the design of an aircraft meant to carry out a non stop flight across the Pacific between Japan and the United States hoping to win a cash prize offered by a major Japanese newspaper for the first aircraft to make such a flight Kawanishi s design the K 12 Sakura was a large high winged monoplane of all wooden construction with a fixed tailwheel undercarriage powered by a single BMW VI V12 engine licence built by Kawasaki Two aircraft were planned the first to be used for training and as a stand by for the second aircraft which was to make the Pacific attempt 1 When completed in May 1928 it was the largest aircraft to be built yet by Kawanishi and the largest and heaviest single engined landplane to be built in Japan 2 The aircraft was christened the Nichi Bei Go Japan US Model and was planned to carry out the trans Pacific flight over the North Pacific later in the year 2 However during flight testing it was discovered that the airframe was too heavy and could not carry sufficient fuel to safely make the flight to the United States with it not being practicable to modify the aircraft to solve these problems 3 It was therefore abandoned with the first prototype being left hanging from the ceiling of the assembly shop of the Kawanishi factory for several years allegedly as an example of How not to design and build a Special Purpose Aeroplane 2 4 Specifications editData from Air Pictorial February 1963 3 General characteristicsCrew Two Length 11 60 m 38 ft 1 in Wingspan 19 05 m 62 ft 6 in Height 3 60 m 11 ft 10 in Wing area 57 00 m2 613 5 sq ft Empty weight 1 920 kg 4 233 lb Gross weight 3 580 kg 7 893 lb Max takeoff weight 5 500 kg 12 125 lb Powerplant 1 BMW VI liquid cooled V12 engine 410 kW 550 hp Performance Maximum speed 210 km h 130 mph 110 kn Range 5 528 km 3 435 mi 2 985 nmi estimates following initial testing 4 References editNotes a b Mikesh amp Abe 1990 p 134 a b c Bueschel 1963 p 46 a b Bueschel 1963 p 47 a b Mikesh amp Abe 1990 p 135 Bibliography Bueschel Richard February 1963 They didn t quite No 17 Kawanishi K 12 Sakura Air Pictorial Vol 25 no 2 pp 46 47 Mikesh Robert C Abe Shorzoe 1990 Japanese Aircraft 1910 1941 London Putnam ISBN 0 85177 840 2 External links edit nbsp Wikimedia Commons has media related to Kawanishi K 12 ShinMaywa Industries History Retrieved from https en wikipedia org w index php title Kawanishi K 12 Sakura amp oldid 1121045504, wikipedia, wiki, book, books, library,
