A propeller blade (200) includes a metallic foam core (204) and a structural layer (206) that surrounds at least a portion of the metallic foam core (204).
Propeller blade with metallic foam spar core
Propellerblatt mit Holmkern aus Metallschaum
Pale d'hélice à âme de longeron en mousse métallique
2018-01-10
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |