Tag Archives: propeller

For a fixed-pitch propeller designed for cruise, the angle of attack of each blade, measured at the reference section:

A: is always positive during idling descent.
B: decreases when the aircraft speed decreases (with constant engine RPM).
C: is lower in ground run than in flight (with constant engine RPM).
D: is optimum when the aircraft is in a stabilized cruising flight.

 

 

 

 

 

 

 

 

Answer: D