PROPELLER, ENGINE COOLING DEVICE COMPRISING SUCH A PROPELLER, AND MOULD FOR PRODUCING SAID PROPELLER
The invention relates to a propeller (1) comprising a hub (2), blades (3), and a shell (4) having two flanks (41, 42) connected by an elbow, the blades (3) extending from the hub (2) to the shell (4). According to the invention, the thickness (e1, e2) of at least one part of at least one of the flanks (41, 42) of the shell (4) is reduced towards the free end of said flank.