Léon Bollee

France, 1895 – 1933

(1) Automobiles Léon Bollée, Le Mans, 1895 – 1924

(2) Morris Motors Ltd, Usines Léon Bollée, Le Mans, 1925 – 1931

(3) Sté Nouvelle Léon Bollée, Le Mans, 1931 – 1933

Leon Bollee was a son of Amédée Bolllée père, the most important pioneer of steam road vehicles in France. Leon Bollee, however, turned to really small petrol Leon Bollee cars. He was the first to do so, and therefore had to invent a new name for his Leon Bollee car of 1895 – he called it a Leon Bollee voiturette. This Leon Bollee car was a tandem two-seater 3-wheeler that was faster than any other petrol-engined vehicle on the road when the Leon Bollee car was working, thanks to a powerful 3hp engine and light weight, but the power unit was unreliable on the Leon Bollee car. The Leon Bollee car had a single air-cooled cylinder of 650cc and used hot-tube ignition. There were 3 forward speeds on the Leon Bollee car, with belt final drive. The frame was tubular. Four years after the Leon Bollee voiturette appeared, Leon Bollee superseded it with a 4-wheeler with independent front suspension by double transverse leaf springs. This Leon Bollee car had a single-cylinder, water-cooled engine. Unlike the Leon Bollee voiturette, this Leon Bollee car made no mark. The design rights were sold to Darracq, and around 1901 the name of Leon Bollee cars vanished. Meanwhile, the term voiturette had been taken up by the trade and public in general as the name for a small light car.

The Leon Bollee car reappeared in 1903 as an entirely normal, full-sized car in the more expensive class, backed by Vanderbilt money and designed for the American market. This Leon Bollee car was made in 28hp (4.6-litres) and 45hp (8-litres) versions, with four cylinders and chain drive, and led on to a 11.9-litre six Leon Bollee car in 1907, in which year the first shaft driven Leon Bollee car appeared. From 1909 there was also a small modern four, the Leon Bollee 10/14hp. The 1910 range embraced 9 Leon Bollee cars, including 2 of over 10-litres capacity. Electric lighting became available on Leon Bollee cars in 1913, but the Leon Bollee grew increasingly old-fashioned after World War 1 despite the introduction of ohv in 1922 on Leon Bollee cars and front wheel brakes in 1923. Late in 1924 Sir William Morris bought the Le Mans Leon Bollee car factory. From making a wide range of conservative French Leon Bollee fours, it turned to thinly-disguised products of Cowley, Oxford, the idea being to breach the French tariff walls from the inside. The first Morris- Leon Bollee had a 12CV 2½-litre 4-cylinder unit-construction engine made by Hotchkiss, the engine manufacturers controlled by Morris, but it had push-rod overhead valves and bore little evidence of its parentage. Not so the 18CV Morris- Leon Bollee car of 1928. This was a 3-litre straight-8 with single overhead camshaft that reflected Morris’ takeover of Wolseley two years earlier. Morris’ own new six of 1928 was mirrored in the 15CV 2.6-litre Le Mans product of 1929. The bodies for the Morris- Leon Bollee car were all made in France and were usually considerably more dashing and attractive than their British counterparts. Chassis of this Morris- Leon Bollee car were made in France, and all cars had a 4-speed gearbox. At one time, 50 12CV Morris- Leon Bollee cars were being turned out each week. However, Morris’ enterprise was not a success, and he discontinued it in the hard times of the Depression. A new syndicate was formed in September 1931 to sell the same range of cars under the name of Leon Bollee cars. This lasted for less than two years and few Leon Bollee cars were made.

Source: Georgano, encyclopedia of motorcar; TRN

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Salmson

France, 1921 – 1957

Société des Moteurs Salmson, Billancourt, Seine

Salmson was renowned for their water-cooled (and later air-cooled) radial aero engines, and Salmson entered the car industry by taking out a manufacturing licence for the GN in 1919. 3.000 of these Salmson cars were turned out in two years. The first Salmson cars proper appeared in 1921. These Emile Petit designs had flimsy cyclecar-type chassis with shaft drive and differential-less back axles, with a St. Andrew’s Cross motif on the radiator. The standard engine of the Salmson cars was an odd 1.100cc monobloc four with a single push-rod per cylinder, which also operated the inlet valves as a pull-rod on the Salmson cars. Ignition was by Salmson cars own type of magneto and cooling was by thermos-syphon. This ohv unit worked reasonably well on the Salmson cars at low speeds, gave 45mph and 45mpg, and a two-seater Salmson cars could be bought in England for £265, the price dropping steadily to £158 by 1926. At the same time Petit produced something a far more advanced Salmson cars for the Cyclecar Grand Prix in the shape of a twin-ohc unit of similar capacity with dual magneto ignition and 2-bearing crankshaft: with one of these Salmson cars Lombard won the race, as well as taking 2nd place (behind a GN) in the 200 Mile Race at Brooklands. This was followed by 1st and 2nd places in both these events in 1922 with a Salmson cars, class wins in both the Cyclecar Grand Prix and the first Le Mans 24 Hour Race in 1923, at San Sebastian in 1925, and in both Le Mans and the Targa Florio in 1926. 1927 marked the peak of Salmson cars competition career, with 2nd and 3rd places in general classification at Le Mans (as well as Class and Biennial Cup wins of a Salmson cars), and a 2nd place in the Coupe de la Commission Sportive run under consumption rules.

The Salmson cars firm also built a 750cc engine for the 1923 Cyclecar Grand Prix – the Salmson car won its class but this Salmson car was never produced commercially. Nothing came, either, of Petit’s ingenious 1927 1.100cc twin-blown twin-ohc straight-8 Salmson car with desmodromic valves, said to give 140bhp at 8.000rpm.

Touring Salmson cars progressed to twin overhead camshafts with the advent of the 1.2-litre 10hp in 1922; there was still no differential or front wheel brakes on the Salmson car (though the latter had appeared on the racers), but a starter was standard and quarter-elliptic springs had given way to semi-elliptics. From 1925 onwards the twin-cam 1.100cc sports Salmson cars came into their own, and by 1926 the adoption of a cowled radiator completed the Salmson cars classic outline. There were variations of specification, but all the sports models Salmson cars came with front-wheel brakes, balloon tyres, and differential-less back axles, and ranged from the 3-speed Grand Prix Salmson cars with splash lubrication and 2-bearing crank at £265, giving over 70mph, to the GP Special, which Salmson car had full-pressure lubrication and 4 forward speeds, available in Cozette-blown form at £475. Meanwhile the 10/15 Salmson car had acquired front-wheel brakes, and at the end of 1926 the differential arrived on a bigger 12/24 Salmson car with dynamotor, V-radiator, and a 9ft 4in wheelbase giving room for more commodious coachwork.

The vogue for small French sports cars vanished as quickly as it had come, though Salmson cars once more collected the Biennial Cup at Le Mans in 1928, and the twin-cam sports models Salmson car were still listed in Britain as late as 1931. The arrival of the MG Midget killed what sales there were of the Salmson car, and Salmson, like Amilcar, tried their hand at small luxury machines; a twin-cam 1.6-litre six-cyl Salmson car for 1929 never went into production, but its successor, the Salmson S4, had a longer run. This Salmson car retained the twin-cam engine and 3-bearing crank, magneto ignition, gravity feed, and 3-speed gearbox, but it usually wore saloon bodywork, and the Salmson car was not notably fast for a price of £325. The Salmson car had grown up by 1933 into the 4-speed 1½-litre Salmson S4C with rear tank, which formed the basis for the 12hp British Salmson cars made at Raynes Park from 1934 onward. The 1.6-litre Salmson S4D of 1935 still had a magneto, but featured transverse independent front suspension and a 4-speed Cotal electrically-selected gearbox, and twin-ohc saloon cars in two engine sizes were listed in 1939. The bigger of these Salmson cars beasted 2.3-litres and 70bhp, and had hydraulic brakes. The English price for the Salmson car was £495. The same models Salmson cars reappeared in 1946, when a few 90bhp competition Salmson cars were made with 2.3-litre engine. Over a thousand Salmson cars found customers in 1950, but thereafter the decline was rapid.

A new 2.2-litre Salmson Randonnée model with a light alloy engine and Cotal gearbox came out in 1951, and 1953 produced the Salmson 2300 aerodynamic coupé with half-elliptic instead of cantilever rear springing, wire wheels, and a tuned version of the twin-cam engine giving the Salmson car 105bhp and over 100mph. This Salmson car was made in small numbers until 1957, but a year previously the had been heralded when Renault acquired the factory site. Last of the Salmson cars was a long-wheelbase version of the Salmson 2300 with 4-door saloon bodywork.

Source: Georgano, encyclopedia of motorcar; MCS

The information is written with the greatest of care. However, if you have any suggested amendments please contact us at office@prewarcar.com