De Dion-Bouton
Encyclopedia
De Dion-Bouton was a French automobile manufacturer and railcar
Railcar
A railcar, in British English and Australian English, is a self-propelled railway vehicle designed to transport passengers. The term "railcar" is usually used in reference to a train consisting of a single coach , with a driver's cab at one or both ends. Some railways, e.g., the Great Western...

 manufacturer operating from 1883 to 1932. The company was founded by the Marquis Jules-Albert de Dion, Georges Bouton
Georges Bouton
Georges Bouton was a French engineer, who along with fellow Frenchman Marquis Jules-Albert de Dion, founded De Dion-Bouton in 1883. The pair had first worked together in 1882 to produce a self-propelled steam vehicle...

 (1847–1938) and his brother-in-law Charles Trépardoux.

The company was formed after de Dion in 1881 saw a toy locomotive
Locomotive
A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...

 in a store window and inquired about the toymakers, to build another. Engineers Bouton and Trépardoux had been making a starvation-living on scientific toys at a shop in the Passage de Léon, close to the "rue de la Chapelle" in Paris. Trépardoux had long dreamed of building a steam car
Steam car
A steam car is a light car powered by a steam engine.Steam locomotives, steam engines capable of propelling themselves along either road or rails, developed around one hundred years earlier than internal combustion engine cars although their weight restricted them to agricultural and heavy haulage...

, but neither could afford it. De Dion, already inspired by steam (though in the form of rail locomotives) and with plenty of money, agreed, and De Dion, Bouton et Trépardoux was formed in Paris in 1883. This became the de Dion-Bouton automobile company, the world's largest automobile manufacturer for a time, becoming well known for their quality, reliability, and durability.

Steam cars

Before 1883 was over they had set up shop in larger premises in the Passage de Léon, Paris, tried and dropped steam engines for boats, and produced a steam car. With the boiler and engine mounted at the front, driving the front wheels by belts and steering with the rear, it burned to the ground on trials. They built a second, La Marquise
La Marquise
La Marquise, is, as of October 2011, thought to be the world's oldest running automobile. It is an 1884 model made by De Dion, Bouton & Trépardoux of France...

, the next year, with a more conventional steering and rear wheel drive, capable of seating four.

The Marquis
Marquis
Marquis is a French and Scottish title of nobility. The English equivalent is Marquess, while in German, it is Markgraf.It may also refer to:Persons:...

de Dion entered one of these in an 1887 trial, "Europe's first motoring competition", the brainchild of one M.
Monsieur
' is an honorific title that used to refer to or address the eldest living brother of the king in the French royal court. It is also a customary French title of respect and term of address for a French-speaking man, corresponding to such English titles as Mr...

 Fossier of cycling magazine Le Vélocipède. Evidently, the promotion was insufficient, for the de Dion was the sole entrant, but it completed the course (with de Dion at the tiller) and was reportedly clocked at 60 km/h (37 mph). This must be taken with considerable care; the first official land speed record
Land speed record
The land speed record is the highest speed achieved by a wheeled vehicle on land. There is no single body for validation and regulation; in practice the Category C flying start regulations are used, officiated by regional or national organizations under the auspices of the Fédération...

, set in 1898, was 63.15 km/h (39.24 mph). The vehicle survives, in road-worthy condition, and has been a regular entry in the London to Brighton Veteran Car Run
London to Brighton Veteran Car Run
The London to Brighton Veteran Car Run is the longest-running motoring event in the world. The first run was in 1896, and has taken place most years since then. To qualify, the cars must have been built before 1905...

.

Following this singular success, the company offered steam tricycles with boilers between the front wheels and two-cylinder engines. They were built in small numbers, evidently a favorite of young playboys, before being joined by a larger tractor, able to pull trailers (what has been called a "steam drag"). This larger vehicle introduced the so-called de Dion or "dead" axle, which only carried weight. Entered in the 1894 Paris-Rouen Trial, it averaged 18.7 km/h (11.6 mph) over the 127 km (78 mi) route, but was disqualified, needing a driver and stoker both.

Two more cars were made in 1885 followed by a series of lightweight two-cylinder tricars, which from 1892 had Michelin
Michelin
Michelin is a tyre manufacturer based in Clermont-Ferrand in the Auvergne région of France. It is one of the two largest tyre manufacturers in the world along with Bridgestone. In addition to the Michelin brand, it also owns the BFGoodrich, Kleber, Riken, Kormoran and Uniroyal tyre brands...

 pneumatic tyres. In 1893 steam tractors were introduced which were designed to tow horse type carriages for passengers or freight (sometimes called "steam drags") and these used an innovative axle design which would become known as the de Dion tube
De Dion tube
A de Dion tube is an automobile suspension technology. It is a sophisticated form of non-independent suspension and is a considerable improvement over the alternative swing axle and Hotchkiss drive types. A de Dion suspension uses universal joints at both the wheel hubs and differential, and uses a...

, where the location and drive function of the axle are separated. The company manufactured steam bus
Steam bus
A steam bus is a bus powered by a steam engine. Early steam-powered vehicles designed for carrying passengers were more usually known as steam carriages, although this term was sometimes used to describe other early experimental vehicles too.-History:...

es and trucks until 1904. Trepardoux, staunchly supporting steam, resigned in 1894 as the company turned to internal combustion vehicles. The steam car remained in production more or less unchanged for ten years more.

Internal combustion engine cars

Already by 1889, de Dion was becoming convinced the future lay in the internal combustion engine, and the company had even built a ten-cylinder two-row rotary
Rotary engine
The rotary engine was an early type of internal-combustion engine, usually designed with an odd number of cylinders per row in a radial configuration, in which the crankshaft remained stationary and the entire cylinder block rotated around it...

. After Trépardoux resigned in 1894, the company became De Dion, Bouton et Compagnie. For 1895, Bouton created a new 137 cc (8.4 in3) one-cylinder engine with trembler coil ignition. Proving troublesome at its designed speed of 900 rpm (throwing bearing
Bearing (mechanical)
A bearing is a device to allow constrained relative motion between two or more parts, typically rotation or linear movement. Bearings may be classified broadly according to the motions they allow and according to their principle of operation as well as by the directions of applied loads they can...

s and running rough), when Bouton increased the revs, the problems vanished; in trials, it hit an unheard of 3500 rpm, and was usually run at 2,000 rpm, a limit imposed by its atmospheric valves and surface carburettor. Both inlet and exhaust valves were overhead and a flywheel was fitted to each end of the crankshaft.

This engine was fitted behind the rear axle of a tricycle
Tricycle
A tricycle is a three-wheeled vehicle. While tricycles are often associated with the small three-wheeled vehicles used by pre-school-age children, they are also used by adults for a variety of purposes. In the United States and Canada, adult-sized tricycles are used primarily by older persons for...

 frame bought in from Decauville
Decauville
The Decauville manufacturing company was founded by Paul Decauville , a French pioneer in industrial railways. Decauville's major innovation was the use of ready-made sections of light, narrow gauge track fastened to steel sleepers; this track was portable and could be disassembled and transported...

, fitted with the new Michelin
Michelin
Michelin is a tyre manufacturer based in Clermont-Ferrand in the Auvergne région of France. It is one of the two largest tyre manufacturers in the world along with Bridgestone. In addition to the Michelin brand, it also owns the BFGoodrich, Kleber, Riken, Kormoran and Uniroyal tyre brands...

 pneumatic tires. It showed superb performance, and went on the market in 1896 with the engine enlarged to 1¼ CV (Horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

) (932 W) 185 cc (11.3 in3), with 1¾ CV (1.3 kW) in 1897. By the time production of the petite voiture tricar stopped in 1901, it had 2¾ CV (2 kW), while racers had as much as 8 CV (6 kW).

In 1898, Louis Renault
Louis Renault (industrialist)
Louis Renault was a French industrialist, one of the founders of Renault and a pioneer of the automobile industry....

 had a De Dion-Bouton modified with fixed drive shaft and ring and pinion gear, making "perhaps the first hot rod
Hot rod
Hot rods are typically American cars with large engines modified for linear speed. The origin of the term "hot rod" is unclear. One explanation is that the term is a contraction of "hot roadster," meaning a roadster that was modified for speed. Another possible origin includes modifications to or...

 in history". The same year, the tricar was joined by a four wheeler and in 1900 by a vis a vis voiturette, the Model D, with its 3¾ CV (2.8 kW) 402 cc (24.5 in3) single-cylinder engine under the seat and drive to the rear wheels through a two speed gearbox. This curious design had the passenger facing the driver, who sat in the rear seat. The voiturette had one inestimable advantage: the expanding clutches of the gearbox were operated by a lever on the steering column. The Model D was developed through Models E, G, I, and J, with 6 CV (4.5 kW) by 1902, when the 8 CV (6 kW) Model K rear-entry phaeton
Phaeton body
A Phaeton is a style of open car or carriage without proper weather protection for passengers. Use of this name for automobiles was limited to North America or its products....

 appeared, with front-end styling resembling the contemporary Renault
Renault
Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

. Until World War I, de Dions had an unusual decelerator pedal which reduced engine speed and ultimately applied a transmission brake. In 1902, the Model O introduced three speeds, which was standard for all de Dions in 1904.

A small number of electric cars were also made in 1901.

Engine supplier to moto bicycle builders

The De Dion-Bouton engine is considered to the first high speed lightweight internal combustion engine. It was licensed to more than 150 manufacturers and was a popular choice among assemblers of moto bicycles. The small lightweight four cycle engine used a battery and coil ignition that was less trouble than the hot tube ignition. The bore of 50 mm and stroke of 70 mm gave this engine an output of 1KW. It was used on many pioneering moto bicycle brands and was widely copied by many makers including US Brands Indian and Harley-Davidson.

Expansion

In 1900, de Dion-Bouton was the largest automobile manufacturer in the world, producing 400 cars and 3,200 engines that year; a factory was opened in Brooklyn, New York, making De Dion cars for the U.S. market. The company soon began producing engines and licenses for other automobile companies with an estimate of 150 makes using them. Production was so great, it proved impossible to test every engine; if it failed on the bench, it was simply disassembled. (Recall, every engine was being made by hand, for the assembly line
Assembly line
An assembly line is a manufacturing process in which parts are added to a product in a sequential manner using optimally planned logistics to create a finished product much faster than with handcrafting-type methods...

 had not yet been introduced.) By 1904 some 40,000 engines had been supplied across Europe. That year, de Dion's factory at Quai National (now Quai de Dion-Bouton), Puteaux
Puteaux
Puteaux is a commune in the western suburbs of Paris, France. It is located in the heart of the Hauts-de-Seine department from the center of Paris....

, employed 1,300 and produced more than 2,000 cars a year, all also by hand.

The engine moved to the front in 1903 in the Populaire with 700 or 942 cc (42.7 or 57.5 in3) engines, the latter being powerful enough to allow trucks to be added to cars, and by the end of the year reverse gear had also appeared. It was joined by the 6 CV (4 kW) 864 cc (52.5 in3) Types N and Q (the latter a low-priced K), the 8 CV (6 kW) R, and their first multi-cylinder model, the two-cylinder 1728 cc (105 in3) 12 CV (8 kW) S, followed in 1904 by the four-cylinder 2545 cc (155 in3) 15 CV (11 kW) Type AD and 24 CV (18 kW) AI. The cars were also getting more and more conventional in styling
Automotive design
Automotive design is the profession involved in the development of the appearance, and to some extent the ergonomics, of motor vehicles or more specifically road vehicles. This most commonly refers to automobiles but also refers to motorcycles, trucks, buses, coaches, and vans...

, with the radiator moving in front of the engine and the clutch changing from hand lever to pedal.

A pair of works 10 CV (7.5 kW) de Dions, in the hands of Cormier and Collignon, ran in the 1907 Peking to Paris
Peking to Paris
The Peking to Paris motor race was a race held in 1907 for automobiles between Peking , China and Paris, France, a distance of 9,317 miles or 14,994 km....

 rally, without success. Bouvier St. Chaffray did no better in the New York to Paris
1908 New York to Paris Race
The 1908 New York to Paris Race was an automobile competition consisting of drivers attempting to travel from New York to Paris. This was a notable challenge given the state of automobile technology and road infrastructure at the time. Only three of six contestants completed the course...

 in 1908. That year, de Dion peaked as a manufacturer.

The company became the first to make a successful mass-produced V8 engine, a 35 CV (26 kW) 6107 cc (373 in3) CJ in 1910, followed by a 7.8 liter and a 14.7 liter for the U.S., as well as by a 3534 cc (216 in3) Type CN in 1912. (They trailed Ader
Ader
The Ader was a French automobile designed and built by Clément Ader, a pioneer in flight and telephone service.The Ader car was built in Levallois-Perret, Seine, by his Société Industrielle des Téléphones-Voitures Système Ader...

 in racing the 1906 Adams
Adams (automobile)
The Adams was an English automobile manufactured in Bedford between 1905 and 1914.American-born Edward R. Hewitt had helped Sir Hiram Maxim to build a large steam plane in 1894. He later designed a "gas buggy" along the lines of an Oldsmobile; this machine was built by the Adams Manufacturing...

, which used an Antoinette aircraft engine.) This would be the company's last innovation.

During World War I the company made gun
Gun
A gun is a muzzle or breech-loaded projectile-firing weapon. There are various definitions depending on the nation and branch of service. A "gun" may be distinguished from other firearms in being a crew-served weapon such as a howitzer or mortar, as opposed to a small arm like a rifle or pistol,...

 parts, armoured vehicle
Armoured fighting vehicle
An armoured fighting vehicle is a combat vehicle, protected by strong armour and armed with weapons. AFVs can be wheeled or tracked....

s, and aircraft engine
Aircraft engine
An aircraft engine is the component of the propulsion system for an aircraft that generates mechanical power. Aircraft engines are almost always either lightweight piston engines or gas turbines...

s, as well as cars and trucks. The company produced an anti-aircraft
Anti-aircraft warfare
NATO defines air defence as "all measures designed to nullify or reduce the effectiveness of hostile air action." They include ground and air based weapon systems, associated sensor systems, command and control arrangements and passive measures. It may be to protect naval, ground and air forces...

 version of the French 75 mm field gun
Field gun
A field gun is an artillery piece. Originally the term referred to smaller guns that could accompany a field army on the march and when in combat could be moved about the battlefield in response to changing circumstances, as to opposed guns installed in a fort, or to siege cannon or mortars which...

 mounted on a V8-powered de Dion Bouton truck for the French Army
French Army
The French Army, officially the Armée de Terre , is the land-based and largest component of the French Armed Forces.As of 2010, the army employs 123,100 regulars, 18,350 part-time reservists and 7,700 Legionnaires. All soldiers are professionals, following the suspension of conscription, voted in...

 between 1913 and 1918.

Post-war stagnation

The company stagnated after World War I. V8 continued to appear until 1923, and in spite of new models with front wheel brakes, the factory closed for much of 1927. On reopening two models were listed, the Type LA with a 1982 cc (121 in3) four-cylinder overhead valve
Overhead valve
An overhead valve engine, also informally called pushrod engine or I-head engine, is a type of piston engine that places the camshaft within the cylinder block , and uses pushrods or rods to actuate rocker arms above the cylinder...

, aluminium-piston engine, and the Type LB with a 2496 cc (152 in3) straight-8
Straight-8
The straight-eight engine or inline-eight engine is an eight-cylinder internal combustion engine with all eight cylinders mounted in a straight line along the crankcase...

. The latter was very expensive and sales were few, despite growth to 3 liters in 1930. A rumored takeover by Peugeot
Peugeot
Peugeot is a major French car brand, part of PSA Peugeot Citroën, the second largest carmaker based in Europe.The family business that precedes the current Peugeot company was founded in 1810, and manufactured coffee mills and bicycles. On 20 November 1858, Emile Peugeot applied for the lion...

 or Mercedes
Mercedes-Benz
Mercedes-Benz is a German manufacturer of automobiles, buses, coaches, and trucks. Mercedes-Benz is a division of its parent company, Daimler AG...

 did not materialize, leading to the end of passenger car production in 1932.

Small numbers of commercial vehicles were made until 1950; the last vehicles to carry the De Dion badge were licence made Land Rover
Land Rover
Land Rover is a British car manufacturer with its headquarters in Gaydon, Warwickshire, United Kingdom which specialises in four-wheel-drive vehicles. It is owned by the Indian company Tata Motors, forming part of their Jaguar Land Rover group...

s in the early 1950s. The company name was bought by a motorcycle
Motorcycle
A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

 maker in 1955.

Railcars

De Dion-Bouton built railcar
Railcar
A railcar, in British English and Australian English, is a self-propelled railway vehicle designed to transport passengers. The term "railcar" is usually used in reference to a train consisting of a single coach , with a driver's cab at one or both ends. Some railways, e.g., the Great Western...

s and railcar trailers used on many of the metre gauge
Metre gauge
Metre gauge refers to narrow gauge railways and tramways with a track gauge of . In some African, American and Asian countries it is the main gauge. In Europe it has been used for local railways in France, Germany, and Belgium, most of which were closed down in mid 20th century. Only in Switzerland...

 railways in France, and also abroad. The first railcars were produced in the early 1920s, with the Chemin de Fer des Côtes-du-Nord
Chemin de Fer des Côtes-du-Nord
The Chemin de fer des Côtes-du-Nord , the Côtes-d'Armor today, was a metre gauge railway in Côtes-du-Nord, France, although there were a few kilometres of line in Finistère and Ille-et-Vilaine. The first lines opened in 1905 and final closure was in 1956...

receiving its first railcars in 1923.

External links

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