| Reliant | |
|---|---|
 | |
| Role | Liaison and training monoplane |
| National origin | United States |
| Manufacturer | Stinson Aircraft Company |
| First flight | 1933 |
| Primary users | United States Army Air Corps Royal Navy |
| Number built | 1,327 |
The Stinson Reliant is a popular single-engine four- to five-seat high-wing monoplane manufactured by the Stinson Aircraft Division of the Aviation Manufacturing Corporation of Wayne, Michigan.
The Reliant is a high-wing, fixed-tailwheel land monoplane powered with a variety of radial engines. [1]
1,327 Reliants of all types were made from 1933 to 1941, in different models, from SR-1 to SR-10. The final commercial model, the Stinson Reliant SR-10, was introduced in 1938. A militarized version was first flown in February 1942 and remained in production through several additional versions (all externally identical) until late 1943 for the US and British armed forces.[ citation needed ]
Reliant production can be broken into two distinct types – the straight-wing Reliants (all models up to SR-6) and the gull-wing Reliants (all models from SR-7 and after, including the militarized V-77/AT-19), with there being little in common between the two groups of types. The straight-wing Reliant has a wing of constant chord and thickness which is supported by two struts each side with additional bracing struts. In contrast the taper-wing Reliant has the broadest chord and thickness of the wing at mid-span, with the outer wing trailing edge heavily angled forward and a rounded cutout on the leading edge root, all supported by a single strut. The taper wing has a significant step up between the fuselage and the wing, and the changes in wing thickness gave it a distinct gull appearance from the front.[ citation needed ]
The Reliant was used by the United States Army Air Forces in World War II as a utility aircraft, designated UC-81, and as trainer designated AT-19. The Royal Navy and Royal Air Force also used Reliants, for light transport and communication duties. After the war they were sold on the civilian market as the Vultee V-77.
The V-77 is a spartan version of the SR-10 with the 300 hp Lycoming R680-E3B, a single door on the left side and the traditional "bump" cowl was replaced with a simpler smooth cowl. Internal structure was beefed up significantly over the commercial models, and a distinctive triangle-shaped counterbalance was added to the rudder.[ citation needed ]
The SR-10 Reliant was available as a landplane, seaplane and skidplane in the following configurations: [2]
Argentina 
Australia 
United Kingdom 
Uruguay 
United States 
Brazil 
El Salvador 
Mexico 
Norway 
Paraguay United States 
Data from General Dynamics Aircraft and their Predecessors [9]
General characteristics
Performance
Aircraft of comparable role, configuration, and era
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