PPRuNe Forums - View Single Post - Airlines PNG Dash 8 fatal crash in PNG

13th Nov 2011, 02:21

#29 (permalink)

Waghi Warrior

Join Date: Sep 1999

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There is no feathering springs in the prop hubs. Piston inside with engine oil on both sides, the system is controlled by a hydraulic (engine oil) propeller control unit (PCU), oil is ported in and out of the prop via a transfer tube.

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