Country rock SV4

The COUNTRY ROCK SV-4' is a Biplan conceived for the drive which was later used for the Aerobatics.

Letters “SV” of its name come from the engineers Belgian S Stampe and Vertongen, originators of this plane.

Produced with approximately sixty specimens by the Belgian engineers, it will have some six hundred little brothers of the workshops of French production.

Entered in service in 1937, this plane knew a very great diffusion as of the immediate post-war period. It equipped with many schools in Europe and, in France, it flew under the rosettes of the Air force, the Aéronavale and the Army like plane of beginning.

The Aeronautical Training service of the Head office of the Civil aviation equipped with it until the beginning of the year the 1960 Center Nationals with Flight with Engine with Carcassonne, Shawl-the-Water, Saint-Yan… the given trainings went from initial training to the stunt-flying and the qualification of monitor.

Main features:

biplane, two-seater (discoveries) out of tandem, cloth-lined, fixed traditional train;
length: 6,9 meters;
scale: 8,4 meters;
weight in order of flight: 750 kg;
speed max: 270 km/h;
cruising speed: 140 km/h;
driving: Renault 4P 4 cylinders in line reversed of 140 CV.

This engine is declined in several versions of which here most known:

the 4P-O1 which does not allow the reversed flight;
the 4P-O3 which allows the engine supply in reversed flight (approximately 30 seconds of possible flight back uninterrupted);
L E 4P-O5 fed and lubricated for an unlimited reversed flight.

It is only in end of a career that certain planes were equipped with a canopy.

External bond

History of the Country rock
Page on Country rock SV4-C
Photographs and films - Academy of the air and the space of Aquitaine

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