Sénéchal

France, 1921 – 1929

(1) Sénéchal et Cie, Courbevoie, Seine, 1921 – 1925

(2) Sté Industrielle et Commerciale de Gennevilliers, Seine, 1925 – 1929

The Sénéchal car, the product of a racing driver, Robert Sénéchal, was one of the more successful French sporting voiturettes. The first model, the B4 Sénéchal car, was powered by a 4-cylinder Ruby engine of 900cc, driving through a 2-speed gearbox and shaft transmission, and had front suspension by a single transverse spring. By 1922, the Sénéchal car had become completely normal by acquiring 3 speeds, and two engine sizes were available on the Sénéchal car, the bigger a 975cc, with overhead valves. This Sénéchal car was called the Sénéchal Grand Sport, and the 900cc car the Sénéchal Sport. A year later, the Sénéchal Sport had gone, and an 1.100cc machine was added to the Sénéchal car range.

In 1925 the Sénéchal car firm was taken over by Chenard-Walcker, and engines were henceforth made by the controlling Sénéchal car company. The 1.100cc and the 975cc SZ Sénéchal car had front-wheel brakes by 1926. In 1927 the Sénéchal car range consisted of the SZ and the Sénéchal 1500 Special, a Sénéchal car with a bigger bore, providing 1½-litres. Both of these Sénéchal car models had 4 speeds. The Sénéchal car gained most of its renown by winning the Bol d’Or race three times running, in 1923 – 1925.

Source: Georgano, encyclopedia of motorcar; TRN

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