A feature of these cusp sprockets was the showy circular sequence of V-shaped grooves, a specific engineering detail on the pressure surface between the teeth that inspired the young Andrè. In 1900 the Andrè Citroën factory produced cylindrical gear wheels for industrial and military uses, technically called double helix or bi-helical, but also known as cusp wheels. Someone will have already understood that, like our Fiat, also the cousins from beyond the Alps in the last century have diversified their production of vehicles to supply military vehicles during world wars.Īmong the companies already mentioned on other occasions there is one in particular worthy of attention, the French icon founded by Andrè Citroën.īefore describing any model, the history of the characteristic Citroën logo consisting of the two superimposed Vs is curious. Leclerc o, ACMAT - Ateliers de Construction Mécanique de l'Atlantique -, now part of the Renault Trucks Defense complex which in turn is the head of the Volvo group.
Preparing for the news coming from Eurosatory 2022 “The Defense & Security Global Event” which takes place in Paris, it may be interesting to recall the abundant historical French production of military vehicles both on rubber and on tracks.Īmong the forerunners, I remember Panhard & Levassor, the oldest French automotive factory, the Nexter industrial group (formerly GIAT Industries) where, among other things, the combat tank is produced.
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