Powertrain Flashcards
How much of a forward tilt does the main xmsn have?
3*
How many modules does the main transmission have?
2 input modules, 2 accessory modules, main module
What does the input module have?
The freewheeling unit that disengages during an autorotation
What does the accessory module do?
Provides drive for the generator and hydraulic pump
When will the main transmission oil hot light appear?
Oil reaches 120*C
How many sections of the drive shaft are there?
6
How long can the intermediate gear box and T/R gearbox run at cruise flight?
30 minutes
What does the elastomeric bearing provide?
Lead, lag, flap of the blades
165What do the hydraulic dampers do?
Allow the blades to lag
What is the built in blade twist?
16.3*
How much is the T/R canted?
20*
How much lift does the T/R provide at a hover?
2.5%
If there is a T/R cable failure and the aircraft is shut down, what will happen?
Lack of hydraulic pressure will cause the other cable to disconnect
If the APU is the sole source of ac power, what cant occur simultaneously?
Back-up pump and windshield anti-ice
Do you need both generators for deice?
No, one generator and the APU generator
