B.N.C.

France, 1923 – 1931

Bollack, Netter et Cie, Levallois-Perret, Seine

Developed from the Jacques Muller cyclecar, the B.N.C. was one of the better-known French sporting voiturettes. The first BNC models had 4-cylinder sv engines by S.C.A.P. in the touring cars and Ruby in the sports versions. In 1925 more serious sports cars appeared, powered by 1100cc S.C.A.P., 1088cc Ruby DS or 1097cc Ruby K engines. The latter developed 60bhp and gave a maximum speed of 100mph. At the end of 1925 a vertically-mounted Cozette supercharger was catalogued on sports BNC’s – probably the first supercharged French cars to be sold to the public. The supercharged short-chassis model became known as the BNC Montlhéry, the unsupercharged sport-chassis as the BNC Monza, and the long-chassis as the BNC Miramas. For 1927 a sloping radiator was introduced, and was found on almost all sporting B.N.C.s henceforth, an exception being the 1½-litre Meadows-engined model of which one ran at Le Mans in 1929, and a few were sold to the public. Ruby-engined BNC’s were very successful in competitions, finishing 1st and 2nd in the 1927 Bol d’Or. In 1929 BNC took over the stock of Lombard parts and assembled a few cars which they sold under their own name, using their own BNC radiator.
Towards the end of the firm’s life BNC tried to enter the luxury market with the BNC Aigle, a large saloon with Delaunay-Belleville-built chassis and a choice of 4 or 5-litre sv straight-8 Continental engines. A.E.R. pneumatic suspension was tried on the BNC Aigle, but few of these cars were made. A coupé with 2-litre engine, sometimes called the BNC AER, was seen on the BNC stand at the 1930 Paris Salon, but did not go into production. BNC’s ceased to be made in 1931, but the Garage Siréjols assembled a few sports cars later, and the BNC marque was raced at Le Mans as late as 1935.

Source: Georgano, encyclopedia of motorcar; GNG

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