Propellers | PPL(A) Principles of Flight - EASA & UK CAA
Conversion of engine torque to thrust
Section titled "Conversion of engine torque to thrust"How would one define 'propeller pitch' in other words?
A clockwise rotating propeller (as seen from the cockpit) at a low speed and high power setting requires __(1)__ input (rudder trimmed for cruise) to maintain zero sideslip due to __(2)__.
What can fixed pitch propellers be optimised for?
If a counter-clockwise rotating propeller (as seen from the cockpit) during landing requires __(1)__ input (rudder trimmed for cruise) to maintain zero sideslip due to __(2)__.
You notice that the propeller works at high power settings, but from time to time, you notice loss of thrust during a climb in hazy weather and temperatures at -2°C. Engine control instruments show normal/appropriate values. What the problem be?
Complete the sentence: Constant speed propellers are __(1)__ pitch, and are efficient for __(2)__ flight phase (airspeed-RPM ratio).
A small propeller pitch angle is called __(1)__ pitch, whereas a high propeller pitch is called __(2)__ pitch.
A clockwise rotating propeller (as seen from the cockpit) at low power and high-speed setting requires __(1)__ input (rudder trimmed for cruise) to maintain zero sideslip due to __(2)__.
The asymmetric blade effect of a clockwise rotating propeller creates ...... unless compensated for.
The asymmetric blade effect of a counter-clockwise turning propeller creates ...... unless compensated for.
A clockwise rotating propeller (as seen from the cockpit) during the cruise requires __(1)__ input to maintain zero sideslip due to __(2)__.
In case the engine and propeller are windmilling, what can be said about the glide distance?
The line of thrust acts ...... of a clockwise turning propeller (as seen from the cockpit) while flying at moderate angles of attack.
Complete the sentence: Climb propellers have ...... pitch compared to cruise propellers.
A counter-clockwise rotating propeller (as seen from the cockpit) creates a __(1)__ roll moment due to a __(2)__.
From the root to tip, propeller blades are __(1)__ twisted, meaning that the angle of incidence is __(2)__ at the tip compared to the root.
Propeller vibration, thrust reduction, and longer than usual spool-up times. What are these symptoms of?
What does the asymmetric blade effect of a propeller cause?
When measured from the root of the propeller blade, the propeller pitch angle is measured at ..... of the radius.
A counter-clockwise rotating propeller (as seen from the cockpit) during the take-off roll requires __(1)__ input to maintain zero sideslip due to __(2)__.
In case the engine and propeller stops:
Why are the propeller blades primarily twisted?