HYDRAULIC ROTARY UNION

With precision micro-machined seal surfaces. Allows for oil flow through the centre of the reduction drive shaft.

MANUAL HYDRAULIC PUMP

To control the propeller pitch via manual thumb-screw.

ELECTRO-HYDRAULIC PUMP

To control the propeller pitch via manual electric switch. Can be connected to the electronic governor to transform from basic in-flight variable-pitch control to a propeller with constant-speed control.