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 Bianchi - 500 C Freccia Azzurra
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Photo ou archives : D. Ganneau

Capacity : 500
Model : C Freccia Azzurra
Production : 1931 - 1939
Category : (R) Racing


500cc Freccia Azzurra – 1936

Last gasp of a racing single

It was difficult to produce a worthy successor to the Freccia Celeste. Any new model needed exceptional qualities to match that 350. The 500cc "170" of 1932 came from the pen of the same designer (Mario Baldi) and was, in effect, an enlarged version of the Freccia Celeste, developing 33 hp at 5000 rpm.

Winning Edge

Though Tazio Nuvolari had progressed to auto racing, and Amilcare Moretti had been signed by Moto Guzzi, other fine riders rallied round the flag of the new 500, among them Carlo Fumagalli and Nello Pagani. The new bike got off to a slow start, as the frame was not up to the potential of the power unit. But constant development (notably with the "200" of 1934) eventually gave the 500C Freccia Azzurra the winning edge it needed.


In 1934, Fumagalli won the Circuit of Lario. The following year, it went to Dorino Serafini, who had joined Bianchi from Benelli and MM. Serafini also won the 1936 Swiss GP and became Champion of Italy the same season. Sadly, he had to join the rival Gilera company to take the 1939 European Championship, for the normally aspirated single could no longer make the grade, even with Alberto Ascari at the helm, against the increased competition from the Guzzi V-twin and Gilera 4 Rondine. In 1939, Baldi attempted to restore the balance by creating a supercharged Bianchi, but WWII brought the project to a standstill. Sadly, by the time the war was over, Baldi had died and supercharging was banned.


Engine: 496cc (82x94mm) air-cooled single-cylinder four-stroke; dry-sump lubrication

Power Rating: 47 hp @ 7000 rpm (running on alcohol)

Valves: twin overhead-camshafts driven by shaft-and-bevel gears

Fuel System: carburettor

Transmission: 4-speed, chain final drive

Suspension: girder forks (front); plunger (rear)

Brakes: drum (front & rear)

Wheels: 2.75x21 inch (front); 3.25x20 inch (rear)

Weight: 324 lb

Maximum Speed: 118 mph

Le fichier Moto Passion réalisé par François-Marie Dumas réunit près de deux mille photos accompagnées d'un historique très complet des machines présentées.
Il sera progressivement mis à jour ici et toute information complémentaire est la bienvenue sur info@moto-collection.org.

Cette documentation unique, qui constitue sans doute l'encyclopédie la plus exhaustive jamais écrite sur l'histoire de la moto, a été réalisée avec l'assistance de nombreux spécialistes dont principalement Didier Ganneau, Christophe Gaime, Mick Woollett, Jean Goyard, Bernard Salvat, Christian Rey, Yves Campion, Helmut Krackowizer, Michael Dregni, Michel Montange, etc. que je remercie ici.

Disponible sur demande :
- Les fiches originales sur papier
- Les photos et archives signées de mon nom en haute définition ou les documents originaux.
Me contacter sur info@moto-collection.org pour les conditions et droits d'utilisation.