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D'Yrsan

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D'Yrsan
Founded1923
Defunct1930
HeadquartersAsnières, France
Key peopleRaymond Siran de Cavanac
ProductsAutomobiles

Raymond Siran, Cyclecars D'Yrsan was a French manufacturer of automobiles in the cyclecar class.

The business

Raymond Siran de Cavanac, who previously had worked with the Levallois-Perret based automobile manufacturer S. Sandford, founded his own business in 1923 at Asnières-sur-Seine, concentrating on small cyclecar style vehicles under the D’Yrsan name, with three or four wheels. On the three wheelers the single wheel was placed at the back.

Production ended in 1930.

The cars

Three wheels

The three wheelers with which the business started loosely resembled the three-wheeler Morgans of the same period. Power for the D’Yrsan "Model A" came from a Ruby 4-cylinder 6 HP side-valve engine of 904cc.

At the 19th Paris Motor Show, which took place in October 1924 ahead of the 1925 model year, the "Model A" was complemented by the D’Yrsan "Model BS", its engine size increased to 972cc, now featuring overhead valves. Both models sat on a 2,470 mm (97 in) wheelbase. With "Torpedo" format bodies they were, in October 1924, priced by the manufacturer at 9,650 francs and 10,500 francs respectively.

Later came the D’Yrsan "Model DS" with 1097cc for which a maximum output of 35 hp (26 kW) was listed.

In total D’Yrsan produced 530 three-wheelers, most of which were examples of the "Model BS".

Four wheels

For 1927 the D'Yrsan "Grand Sport" with four wheels was added to the range. The engine was the 1097cc unit bought in from Ruby. About 50 four wheelers were produced.

Competition

With sales volumes remaining modest, the manufacturer sought to make the D’Yrsan name better known by entering a car in the June 1929 24 Hours of Le Mans race. A car was entered, but unfortunately had to retire after nine laps, having completed fewer than 150 km (93 miles).

References

  1. Linz, Schrader: Die Internationale Automobil-Enzyklopädie.
  2. ^ Georgano, Nick (1968). The Complete Encyclopaedia of Motorcars 1885-1968. London: George Rainbird Ltd for Ebury Press Limited. p. 195.
  3. ^ Georgano: The Beaulieu Encyclopedia of the Automobile.
  4. Georgano: Autos. Encyclopédie complète. 1885 à nos jours.
  5. ^ "Automobilia". Toutes les Voitures Françaises 1925 (Salon 1924). Vol. 72s. Paris: Histoire & collections. 2005. p. 68.
  6. "Automobilia". Toutes les Voitures Françaises 1927 (Salon 1926). Vol. 78s. Paris: Histoire & collections. 2006. p. 68.
  7. ^ "Automobilia". Toutes les Voitures Françaises 1929 (Salon 1928). Vol. 84s. Paris: Histoire & collections. 2006. p. 69.

Further reading

  • Harald Linz, Halwart Schrader: Die Internationale Automobil-Enzyklopädie. United Soft Media Verlag, München 2008, ISBN 978-3-8032-9876-8. (German)
  • George Nick Georgano (Chefredakteur): The Beaulieu Encyclopedia of the Automobile. Volume 3: P–Z. Fitzroy Dearborn Publishers, Chicago 2001, ISBN 1-57958-293-1. (English)
  • George Nick Georgano: Autos. Encyclopédie complète. 1885 à nos jours. Courtille, Paris 1975. (French)
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