Answer EKG Question 16

Q16. A. State why fixed pitch propellers have a poor efficiency when going astern.
B. With reference to controllable pitch propellers state:
i. Why is it preferable that the main servomotor be housed in the propeller hub rather than in the shafting forward of the propeller shaft?

ii. What regular maintenance and checks should be carried out to ensure maximum reliability of the gear at all times?

Answer: UNDER REVIEW