17.2 Flashcards
(8 cards)
1
Q
What are the 3 types of propellers
A
Wood
Composite
Metal (aluminium/steel)
2
Q
What is the most commonly used wood for propellers and how many layers are needed
A
Birch, at least 5 layers
3
Q
What is a propeller called when it has rested for a week
A
A white
4
Q
Why are holes drilled in the propeller
A
To release moisture and allow breathing
5
Q
How much of the propeller is fitted with de-icing boot
A
Aprrox. 1/3
6
Q
What is the master refernce station
A
Fixed - normally 75% from centre of rotation
Variable 50% - 75% from centre of rotation
7
Q
What is meant by fixed pitch propeller
A
Propeller can only be adjusted on ground
8
Q
A
