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The Hiro H2H, or "Navy Type 89 Flying boat" (Japanese: "八九式飛行艇"), was a Japanese patrol flying boat of the 1930s. Designed and built by the Hiro Naval Arsenal, it was a twin-engined biplane that was operated by the Imperial Japanese Navy.

Hiro H2H
H2H1 on a launching trolly.
Role Patrol Flying boat
National origin Japan
Manufacturer Hiro Naval Arsenal
First flight 1930
Introduction 1932
Primary user Imperial Japanese Navy
Number built 17
Developed from Supermarine Southampton

Design and development


In 1929, the Imperial Japanese Navy purchased a single example of the British Supermarine Southampton II metal-hulled flying boat,[1] and after evaluation, it was passed onto the Hiro Naval Arsenal (who designed the wooden Hiro H1H flying boat based on the Felixstowe F.5), to study its advanced metal hull structure. Following this study, Hiro designed a new flying boat, closely resembling the Southampton.[2]

The new aircraft was a twin-engined biplane, with an all-metal hull, and fabric covered metal wing and tail structures. It was powered by two Hiro Type 14 water-cooled 12-cylinders W engines. The first prototype was completed in 1930, and following successful testing was ordered into production, with 13 aircraft being built by Hiro and a further four by Aichi. Later aircraft were powered by more powerful (600-750 hp (448-560 kW)) Hiro Type 90 engines.[3]


Operational history


It entered service in 1932 as the Type 89 Flying boat, with the short designation H2H1. Type 89 Flying Boats entered service in time for the Shanghai Incident, and along with Hiro's earlier H1H, served in front line service until the early years of the Second Sino-Japanese War.[4]


Specifications (Early version)


Data from Japanese Aircraft 1910-1941 [4]

General characteristics

Performance

Armament


See also


Related development

Aircraft of comparable role, configuration, and era

Related lists


References



Notes


  1. Andrews and Morgan 1987, p.110.
  2. Mikesh and Abe 1990, pp. 95-96.
  3. Mikesh and Abe 1990, pp.96-97.
  4. Mikesh and Abe 1990, p.97.

Bibliography





На других языках


- [en] Hiro H2H

[fr] Hiro H2H

Le Hiro H2H, aussi désigné « Hydravion de marine Type 89 » (en japonais : « 八九式飛行艇 »), était un hydravion biplan bimoteur japonais des années 1930. Conçu et fabriqué par l'Arsenal naval de Hiro (Hiro Kaigun Kosho), il fut utilisé par la Marine impériale japonaise.

[it] Hiro H2H

L'Hiro H2H, indicato anche come Idrovolante per la Marina Tipo 89 (八九式飛行艇?) in base alle convenzioni allora vigenti, fu un idrovolante a scafo centrale, bimotore biplano, sviluppato in Giappone dall'ufficio tecnico dell'Undicesimo arsenale tecnico aeronavale di Hiro nei tardi anni venti, e prodotto, oltre che negli stabilimenti del progettista, anche su licenza dalla Aichi Kōkūki KK.

[ru] Hiro H2H

Хиро H2H (яп. 八九式飛行艇, летающая лодка флотская, Тип 89) — японская летающая двухмоторная лодка-биплан, состоявшая на вооружении Императорского флота Японии (сил береговой обороны). Создана на основе британской летающей лодки Supermarine Southampton.



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