Fukunaga Tenryu 10
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| Tenryu 10 | |
|---|---|
| General information | |
| Type | Passenger biplane |
| National origin | Japan |
| Manufacturer | Fukunaga Aeroplane Manufacturing Works |
| Designer | Tomizo Asami |
| Number built | 1 |
| History | |
| First flight | 26 October 1922 |
The Fukunaga Tenryu 10 was the largest Japanese civil passenger aircraft when it first flew in 1922. Its passenger cabin seated four.
The Tenryu 10 was wooden-framed throughout, with fabric-covered wings and a plywood-covered fuselage. It was an equal span, two bay biplane with two spar, rectangular plan wings braced together without stagger by upright, parallel interplane struts. The lower wings were conventionally mounted on the lower fuselage longerons and the upper wing was held close to the top of the fuselage by short, angled struts from the upper longerons. Ailerons, fitted only on the lower wings, reached to the tips.[1]
The fuselage was flat-sided and dominated ahead of the wing by the large, upright Fiat A.12 six cylinder, water-cooled inline engine. It was cooled by a radiator which filled the nose behind a two-bladed propeller. There was a windowed cabin for four passengers immediately behind the engine and between the wings and a side-by-side open cockpit well behind the trailing edges for the crew.[1]
The Tenryu 10's tail was conventional, with a very broad, flat-topped fin with a rounded leading edge carrying a rectangular horn-balanced rudder. Aerodynamically balanced control surfaces were a novelty in Japan at the time. The tailplane, also straight-edged, was mounted on top of the fuselage and braced with parallel pairs of struts to the lower fuselage. Like the fin, the elevators were also balanced.[1][2]
Its short, fixed undercarriage had mainwheels on a single axle, supported by faired V-struts, and a long tailskid.[1]