Aircraft Structure

Question 1

Describe construction of the seasprite

Answer 1

Semi monocoque aluminium shell reinforced longitudinally with aluminium stringers

Titanium frames provide mounting for gearboxes and engines

Question 2

What is the vibration absorber

Answer 2

Part of the battery support installation

Provides a means of obtaining minimum main rotor vibration

Is tuned by adding ballast weight

Question 3

Describe the makeup of the cargo door

Answer 3

Seven seperate removals floor panels

Constructed of sheet aluminium, while the centre and aft panels are aluminium honeycomb core sandwiched between sheets of aluminium

They are load carrying and should be fitted when towing, jacking or hoisting the aircraft

Question 4

Why is the tail cambered

Answer 4

The lower tail pylon section is cambered (aerofoil shape) to help keep the helicopter straight at speeds around 100 knots