avia.wikisort.org - AeroplaneThe Hiro H4H (or Hiro Navy Type 91 Flying Boat) was a 1930s Japanese bomber or reconnaissance monoplane flying boat designed and built by the Hiro Naval Arsenal for the Imperial Japanese Navy.
Japanese flying boat
H4H |
Role |
Patrol flying boat Type of aircraft |
National origin |
Japan |
Manufacturer |
Hiro Naval Arsenal |
First flight |
1931 |
Introduction |
1933 |
Primary user |
IJN Air Service |
Number built |
47 |
Design and development
First appearing in 1931 the H4H1 was a twin-engined high-wing monoplane flying-boat. Powered by two 500 hp (597 kW) Hiro 91-1 engines strut-mounted above the wing it was produced by the Kawanishi company and entered service in 1933.[1]
An improved version of the design, the H4H2, followed into production two years later. The H4H2 has re-designed twin fins and rudders and was powered by two 800 hp (597 kW) Myojo radial engine. A total of 47 of both versions was produced.[1]
Both the H4H1 and H4H2 remained in front-line naval service through the 1930s.
Variants
- H4H1 (Hiro Navy Type 91 Model 1 Flying Boat)
- Variant powered by two 500hp (597kW) Hiro 91-1 engines.
- H4H2 (Hiro Navy Type 91 Model 2 Flying Boat)
- Variant powered by two 800hp (597kW) Myojo radial engines.
Operators
Japan
- Imperial Japanese Navy Air Service
Specifications (H4H2)
Data from [1]
General characteristics
- Length: 54 ft 4.25 in (16.57 m)
- Wingspan: 76 ft 11.5 in (23.46 m)
- Height: 20 ft 5 in (6.22 m)
- Wing area: 890.20 sq ft (82.70 m2)
- Empty weight: 10,280 lb (4,663 kg)
- Gross weight: 16,534 lb (7,500 kg)
- Powerplant: 2 × Myojo radial piston engine , 800 hp (597 kW) each
Performance
- Maximum speed: 145 mph (233 km/h, 126 kn)
- Range: 793 mi (1,260 km, 689 nmi)
- Service ceiling: 11,880 ft (3,620 m)
Armament
- 1 × 7.7mm (0.303in) Machine Gun (mounted over bow cockpit)
- 2 × 7.7mm (0.303in) Machine Guns (mounted over midship cockpit)
- 2 × 250kg (551lb) bombs
See also
Related lists
- List of military aircraft of Japan
- List of seaplanes and flying boats
References
Notes
Bibliography
- Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
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Aircraft designed and produced by Hiro | |
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Prototypes and experimental aircraft | |
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Aircraft designed by others produced at Hiro | |
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Engines designed and produced by Hiro | |
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Imperial Japanese Navy aircraft designations (short system) |
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Fighters (A) | |
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Torpedo bombers (B) | |
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Shipboard reconnaissance (C) | |
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Dive bombers (D) | |
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Reconnaissance seaplanes (E) | |
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Observation seaplanes (F) | |
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Land-based bombers (G) | |
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Flying Boats (H) | |
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Land-based Fighters (J) | |
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Trainers (K) | |
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Transports (L) | |
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Special-purpose (M)1 | |
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Floatplane fighters (N) | |
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Land-based bombers (P) | |
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Patrol (Q) | |
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Land-based reconnaissance (R) | |
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Night fighters (S) | |
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1 X as second letter is for experimental aircraft or imported technology demonstrators not intended for service
2 Hyphenated trailing letter (-J, -K, -L, -N or -S) denotes design modified for secondary role
3 Possibly incorrect designation, but used in many sources |
На других языках
- [en] Hiro H4H
[it] Hiro H4H
L'Hiro H4H, indicato anche come Idrovolante per la Marina Tipo 91 (九一式飛行艇?) in base alle convenzioni allora vigenti, fu un idrovolante a scafo centrale, bimotore monoplano ad ala alta, sviluppato in Giappone dall'ufficio tecnico dell'Undicesimo Arsenale Tecnico Aeronavale di Hiro nei primi anni trenta.
[ru] Hiro H4H
Hiro H4H (яп. 九一式飛行艇, летающая лодка морская Тип 91) — серийная летающая лодка Имперского флота Японии 30-х годов 20 века.
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