Rotor blade and structural system for coupling the rotor blade in a rotor hub

Rotor blade and structural system for coupling the rotor blade in a rotor hub

The rotor hub (103) can include a rotor yoke (109); a grip member (119) having an inboard portion, an upper extension (137), and a lower extension (139); and a rotor blade (105) having a root end (705) coupled to the upper extension and the lower extension of the grip member with a first bolt (129),...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MCCULLOUGH, JOHN R, WIINIKKA, MARK A, SELF, ROBERT A, GREEN, NATHAN P
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:The rotor hub (103) can include a rotor yoke (109); a grip member (119) having an inboard portion, an upper extension (137), and a lower extension (139); and a rotor blade (105) having a root end (705) coupled to the upper extension and the lower extension of the grip member with a first bolt (129), a second bolt (131), and a third bolt (133). The first bolt (129) is located on a spanwise axis of the rotor blade (105). The second bolt (131) is offset from the spanwise axis by a first chordwise distance (C1) and is offset from the first bolt (129) by a first spanwise distance (D1). The third bolt (133) is offset from the spanwise axis by a second chordwise distance (C2) and is offset from the first bolt (129) by a second spanwise distance.