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Antoinette was a short-lived (1903-1912) French manufacturer of light gasoline engines. Antoinette also became a builder of distinctively graceful, record-breaking monoplane aircraft flown by Hubert Latham (1883-1911) and Rene Labouchere.
The company, led by Leon Levavasseur (1863-1922) and based in Puteaux, also displayed a car with a 32hp V-8 engine and hydraulic clutches, instead of a gearbox and differential, at the 1906 Paris Salon de l'Automobile.
The following year, a 4 cylinder 16hp engine and then a 30hp V-8 engine were also made available to sportsmen by "Antoinette". The last and most powerful "Antoinette" engine was a V-16 developing 100 horsepower. It was mounted on an Antoinette VII monoplane in 1910 in order to compete in the Gordon-Bennett Cup. Antoinette engines were also installed in fast boats built for racing purposes.
In October 1906, an Antoinette engine powered Europe's first heavier-than-air flying machine to fly, the Santos-Dumont 14-bis.
In January 1908, a Voisin pusher biplane modified and piloted by Henri Farman successfully completed Europe's first 1 kilometer circular flight, landing where it had taken off. This Farman-Voisin biplane was powered by a water cooled Antoinette V-8 engine which developed 50 horsepower at 1,400 RPM. It used an early form of direct gasoline injection and weighed only 190 pounds in working order, including the water filled cooling system. Its power-to-weight ratio was not surpassed for another 25 years.
In 1906, Antoinette's 25- and 50-horsepower engines gave European aviation its start. Excellent as they were, these lightweight aero engines were subject to quitting if the tiniest bit of dirt or debris found its way into the fuel to clog their early fuel injection systems. A routine practice at the time was to pour in the gasoline through a funnel lined with chamois leather that served as a microfilter. That the Antoinette engine could quit during flights is illustrated by Hubert Latham's aborted English Channel crossing on July 19th 1909, when the renowned aviator had to ditch his monoplane on the water halfway to the English coast.
Bleriot's monoplane succeeded a few days later, on July 25th 1909, largely thanks to a much simpler thus more reliable 25hp air-cooled Anzani 3W radial engine. It is only in 1909, with the advent of the 50hp Gnome Omega rotary engine, that early aviators like Henri Farman gained a superb and distinctly more reliable French aero engine to choose from.
In 1907, an "Antoinette" engine powered the first true helicopter, designed by Paul Cornu.
An 'Antoinette' engine powered the first Cody plane in 1908