A propeller blade (100) includes a foam core (205) and a structural layer formed of multiple layers (206a, 206b) that surrounds at least a portion of the foam core (205). The structural layer includes a mid-thickness location defined between the foam core and an outer edge of the structural layer and the multiple layers (206a, 206b) include at least one unidirectional layer (206b) and at least one biased layer (206b) disposed asymmetrically about the mid-thickness location.
Propeller blade with modified spar layup
Propellerblatt mit modifizierter Holmlaminierung
Pale d'hélice à superposition de couches de longeron modifiée
2018-01-31
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |