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
editFollowing 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
edit- 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
edit
Specifications (H1H1)
edit
Data from Illustrated Encyclopedia of Aircraft[3]
General characteristics
- Length: 49 ft 7 in (15.11 m)
- Wingspan: 75 ft 4.5 in (22.97 m)
- Height: 17 ft 0.5 in (5.19 m)
- Wing area: 1,345.53 sq ft (125 m2)
- Empty weight: 8,862 lb (4,020 kg)
- Gross weight: 13,448 lb (6,100 kg)
- Powerplant: 2 × Lorraine 12E 12-cylinder piston engine , 450 hp (336 kW) each
Performance
- Maximum speed: 106 mph (170 km/h, 92 kn)
- Endurance: 14 hours 30 minutes
Armament
- 2 × 7.7 mm (0.303 in) machine guns (one at bow cockpit and one midships)
- up to 300 kg (661 lb) of bombs
See also
edit
Related development
Aircraft of comparable role, configuration, and era
- English Electric Kingston
- Supermarine Swan
- Supermarine Southampton
- Saunders A.14
- Naval Aircraft Factory PN
- Supermarine Scapa
- Hall PH
Related lists
References
edit
Notes
edit- ^ a b c 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) - ^ a b c Januszewski, Tadeusz; Zalewski, Kryzysztof (2000). Japońskie samoloty marynarski 1912-1945. tiel2, Lampart. ISBN 83-86776-00-5.
{{cite book}}: CS1 maint: location (link) CS1 maint: location missing publisher (link) - ^ a b c Orbis 1985, p 2173
Bibliography
edit- Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.