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The Hiro H1H (or Navy Type 15) was a 1920s Japanese bomber or reconnaissance biplane flying boat developed from the Felixstowe F.5 by the Hiro Naval Arsenal for the Imperial Japanese Navy. The aircraft were built by Hiro, the Yokosuka Naval Arsenal and Aichi.[3]

H1H
Late production H1H1 on a launching trolly.[1][2]
Role Patrol flying boat
National origin Japan
Manufacturer Hiro Naval Arsenal
First flight 1925
Retired 1938
Primary user IJN Air Service
Produced 1927–1934
Number built 65
Developed from Felixstowe F.5

Design and development


Following licensed production of the Felixstowe F.5 for the Imperial Japanese Navy the company developed an improved version known as the H1H or Navy Type 15. The aircraft was built with three different engine types fitted, the Navy Type 15-I with a wooden hull had longer span upper wings and the Navy Type 15-II had four-bladed propellers. The H1H remained in front line naval service through the 1930s.[1][2][3]


Variants


H1H1
Variant powered by two 450hp (336kW) Lorraine W-12 engines.
H1H2
Variant powered by either two 450hp (336kW) Lorraine W-12 or two 500hp (373kW) BMW VII engines.
H1H3
Variant powered by two 450hp (336kW) Lorraine W-12 engines.

Operators


 Japan

Specifications (H1H1)


H1H2 side elevation, all-metal hull with Dornier-type external stiffeners.[1][2]
H1H2 side elevation, all-metal hull with Dornier-type external stiffeners.[1][2]

Data from Illustrated Encyclopedia of Aircraft[3]

General characteristics

Performance

Armament


See also


H1H in flight.
H1H in flight.

Related development

Aircraft of comparable role, configuration, and era

Related lists


References



Notes


  1. Mikesh, Robert C.; Abe, Shorzoe (1990). Japanese Aircraft 1910-1941. Maryland 21402: Naval Institute Press Annapolis. ISBN 1-55750-563-2.{{cite book}}: CS1 maint: location (link)
  2. Januszewski, Tadeusz; Zalewski, Kryzysztof (2000). Japońskie samoloty marynarski 1912-1945. tiel2, Lampart. ISBN 83-86776-00-5.{{cite book}}: CS1 maint: location (link)
  3. Orbis 1985, p 2173

Bibliography



На других языках


- [en] Hiro H1H

[fr] Hiro H1H

Le Hiro Type 15 ou H1H est un hydravion bimoteur de reconnaissance, dérive du Felixstowe F.5. C’est le premier hydravion à coque japonais produit en série.

[it] Hiro H1H

L'Hiro H1H, indicato anche come Idrovolante Tipo 15 (一五式飛行艇?) in base alla convenzione di designazione"lunga", fu un idrovolante a scafo centrale, bimotore biplano, sviluppato in Giappone dall'ufficio tecnico dell'Undicesimo Arsenale Tecnico Aeronavale di Hiro, prefettura di Hiroshima, nei tardi anni venti, e prodotto, oltre che dalla stessa, dal Primo Arsenale Tecnico Aeronavale di Yokosuka e dalla Aichi Tokei Denki KK.

[ru] Hiro H1H

Хиро H1H (яп. 一五式飛行艇, летающая лодка флотская, Тип 15) — японская летающая двухмоторная лодка-биплан, состоявшая на вооружении Императорского флота Японии (сил береговой обороны). Создана на основе британской летающей лодки Felixstowe F5.



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