SACAA PPL (H) Aircraft Technical Practice Questions - SACAA Private Pilot Licence (Helicopter) Aircraft Technical & General Knowledge Examination Exam

Which set of mechanical hinges is present on each blade root of a conventional fully articulated rotor hub?

Teeter hinge and pitch change bearings only Flapping hinge, drag (lead-lag) hinge, and feathering (pitch change) axis Drag hinge and fixed teeter pin only Elastomeric flexure beam and pitch lock pin

Correct Answer:

Flapping hinge, drag (lead-lag) hinge, and feathering (pitch change) axis

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