A propeller blade spar core (150) includes a leading edge spar foam section (202a) surrounded by a first structural layer (204a), a trailing edge spar foam section (202b) surrounded by a second structural layer (204b), and a third structural layer (206) surrounding both the first and second structural layers (204a,204b).
Propeller blade with reinforced spar core
Propellerschaufel mit verstärktem Holmkern
Pale d'hélice à âme de longeron renforcée
2019-06-05
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |