Stampe SV.4
The Stampe & Vertongen SV -4 is an aerobatic biplane aircraft from the 1930s.
History
In 1932, the designer of Stampe & Vertongen, George Ivanov, SV - 4, was commissioned to design a new machine. This leaning significantly to the De Havilland "Tiger Moth ", which was distributed by the company in Belgium. The first flight took place on 13 May 1933.
After the crash of the twin-engined SV -10 in 1935, in which Georges Ivanov and Leon Stampe (the son of Jean ) died, broke Stampe & Vertongen all other design and construction activities from and focused on maintenance. After repeated requests by Elza Leyzen, a former flight student of Jean Stampe, Stampe & Vertongen opened again the production line for the SV - fourth As a new designer B. Demidoff was committed.
In France, Nord Aviation SV -4 C with Renault engine under license.
Construction
The model SV -4C is equipped with a 145 -hp, four -cylinder engine hanging Renault P -PEI, with which it reached a maximum of 198 km / h. Starting the engine with compressed air from an on-board compressed air bottle, which has been added by a small compressor driven by the engine again. If after several unsuccessful attempts to start the bottle is empty, the engine can be cranked by hand.
The aircraft is aerobatic, although some figures are not authorized or limited in time. Models with dry sump lubrication are also back airworthy. The hull is constructed of stressed ash wood strips and covered with fabric. The wings as well as the tail are also made of wood. Only fittings that tension and stems, the tank and the engine mount made of metal.
In contrast to the Tiger Moth has the Stampe & Vertongen SV -4 at both wing ailerons and is thus highly manoeuvrable around the longitudinal axis. The aircraft is a two seater and has dual controls. It is controlled from the rear seat of the single-seat airplane for reasons of gravity. The SV -4 has a rigid spur wheel chassis. The wheels have hydraulic brakes.
Use
The Belgian Air Force was after the Second World War to replace their DH82 "Tiger Moth " in 1947 and ordered 65 SV -4B for the " Ecole de Pilotage Elementaire " ( Basic Flying Training ). The future pilots began their flight training on SV -4B until they were replaced by SIAI - Marchetti SF.260 in 1969.
From the Stampe SV -4 & Vertongen total of about 1000 pieces for basic training with the French and Belgian Air Force were built. The last SV -4B was not completed until on 7 October 1955. Today in Germany there are about 15 aircraft of this type.