Power train

Question 1

Each tail rotor drive shaft segment is connected to the adjacent drive shaft segment by a laminated flexible coupling. This flexible coupling is called a _____________ coupling.

Answer 1

Thomas

Question 2

The breather (vented) type filler cap prevents ___________ and ___________ of the gearbox oil.

Answer 2

pooling, cavitation

Question 3

State the purpose of the pylon support links on each side of the transmission assembly.

Answer 3

Mount the transmission, bear the aircraft s weight.

Question 4

By alternating individual discs (indexing flats) in the Thomas couplings ____________ is increased.

Answer 4

tensile strength

Question 5

State the purpose of the drag link and pylon stop.

Answer 5

Provides a positive travel limit for the pylon.

Question 6

The purpose of the TH-67 power train is to ____________?

Answer 6

provide the means of transmitting engine power to the main and tail rotor.