Assemblage d’un moteur en étoile : une vidéo - LF5422's Blog
Source : AB Quelques explications sur https://en.wikipedia.org/wiki/Clerget_9B The Clerget 9B was a nine-cylinder rotary aircraft engine of the World War I era designed by Pierre Clerget. Manufactured in both France and Great Britain (Gwynnes Limited), it was used on such aircraft as the Sopwith Camel.