The Blériot-SPAD S.29 was a sport aircraft produced in 1919 by Blériot-SPAD.

Design and development

The Blériot-SPAD S.29 was a two-seat

single-bay A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a ...

biplane A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...

, with a slightly swept upper wing and a straight lower wing, with the wings connected by a single strut on each side.

Ailerons An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement around ...

were fitted to the lower wing only. The

fuselage The fuselage (; from the French language, French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds Aircrew, crew, passengers, or cargo. In single-engine aircraft, it will usually contain an Aircraft engine, engine as wel ...

was a circular section wooden

monocoque Monocoque ( ), also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word ''monocoque'' is a French term for "single shell". First used for boats, ...

structure, with pilot and passenger seated in tandem in a single cockpit. It was powered by a

Le Rhône 9C The Le Rhône 9C is a nine-cylinder Rotary engine, rotary aircraft engine produced in France by '' Société des Moteurs Le Rhône'' / Gnome et Rhône. Also known as the Le Rhône 80 hp in a reference to its nominal power rating, t ...

rotary engine The rotary engine is an early type of internal combustion engine, usually designed with an odd number of cylinders per row in a radial configuration. The engine's crankshaft remained stationary in operation, while the entire crankcase and its ...

driving a two-bladed propeller fitted with a large hemispherical

spinner Spinner may refer to: Technology * Spinner (aeronautics), the aerodynamic cone at the hub of an aircraft propeller * Spinner (cell culture), laboratory equipment for cultivating plant or mammalian cells * Spinner (computing), a graphical widget in ...

, mounted on ball-bearings so that it did not rotate with the propeller, possibly a precaution against the spinner disintegrating due to centrifugal force.Blériot SPAD
''Flight'' 22 January 1920

Specifications

References

External links

Photograph at aviadejavu.ru
{{DEFAULTSORT:Bleriot-SPAD S.29 1920s French sport aircraft Blériot aircraft Single-engined tractor aircraft Biplanes Aircraft first flown in 1920 Rotary-engined aircraft