Fixed Wing Powertrain

Question 1

What is the function of the reduction gear assembly?

Answer 1

to reduce the high rpm from the engine to a propeller rpm that can be maintained without exceeding the maximum propeller tip speed (speed of sound.)

Question 2

Most gearboxes have mounting points for what?

Answer 2

(GHOST) G- electrical Generators, H- hydraulic pump, O- oil pump, S- starter, T- tachometer generator.

Question 3

Of the various types of propellers in use today, CG aircraft only utilize which type?

Answer 3

Controllable pitch propellers.

Question 4

What propeller assembly is used on all C130H aircraft and why?

Answer 4

The 54H60-117 propeller assembly is used on all C-130H aircraft. The spinner assembly encloses the dome, barrel, and propeller control in a streamlined housing. **