Cardinal 177RG Hartzell Prop

moxiepilot

moxiepilot

Well-Known Member
The 1974 177RG I fly has a 3 bladed, controllable pitch prop. The POH I have does not indicate how the blade pitch changes and I wondered who knows the answer.

Is it hydrolic (speeder spring / pilot valve type)
Is it pneumatic (oil / gas combo)

Any help is appreciated.
 
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