6.9 Flashcards
1
Q
When are chains used?
A
When it’s necessary to change the direction of control runs in systems that use high force
2
Q
Where on the aircraft can you find chains? (Examples)
A
Control column installations
aileron and elevator controls
trim control systems
3
Q
What does a Bi-Planer block do?
A
Rotates the chain so that the system can change direction
4
Q
What are couplings used for?
A
Connecting 2 shafts with each other
5
Q
What are the 3 types of couplings?
A
Solid couplings
Movable and disconnectable couplings
Safety couplings
6
Q
What are the 2 best known type of solid couplings?
A
Disk coupling
Sleeve coupling
7
Q
What are the different kinds of moveable couplings?
A
Expansion couplings
hinge couplings
elastic couplings
8
Q
What are the different gear types?
A
Toothed wheel spur internal spur helical rack and pinion
