Fams Ground School Systems #1 Flashcards
The drive link lever and collar set causes the rotating swashplate to rotate at what speed compared to the rotor system?
At the same speed as the rotor system
What will happen if the airframe filter becomes clogged?
The bypass valve will allow fuel to flow to the engine if the air frame filter becomes clogged
Where is engine bleed air mixed with cabin air?
The heater silencer
What controls the amount of ventilating air entering the cabin?
Two push/pull cable controls on either side of the center console
What should you place the environmental control switch to if the DUCT TEMP HIGH caution light illuminates?
FAN
Where does the Nf governor recieve its inputs from?
- Internal flyweight
- Linear actuator
- Collective position
How is the engine oil pressure gauge powered?
Wet line only
What completes the circuit from the common BUS to the igniter?
The generator field control relay
What is the purpose of the induction fairing?
To channel air to the engine
What is the purpose of the tension torsion strap?
To absorb centrifugal forces and allows for pitch change of blade
What intermixes fore-and-aft and lateral cyclic inputs?
Mixing lever (bellcrank)
How many engine mounting pads does the accessory gearbox have?
It has four mounting pads but only three are used for mounting.
The top pad is used to mount the anti-icing motor.
What is the generator power rating?
30 Volts/150 Amps
What is the generator output regulated to?
28 Volts/105 Amps
The overvoltage sensing relay disconnects the generator from the circuit if the line voltage reaches what?
31 ± 1 volts
The front end of the freewheeling unit inner race shaft connects to the ____ and the aft end connects to ____?
Front end connects to the main drive shaft
Aft end connects to the tail rotor drive shaft
Where is the KAflex (barbell) shaft located?
Between the freewheeling unit and the transmission
The SLAB battery used in the TH-57B is ____ volts and has a discharge rate of ____ ?
24 volts
17 Amps
What side of the engine is the fuel control unit located on?
The right side
What are the max forward/sideward/rearward airspeeds (sea level, standard day)?
- 130 kts
- 25 kts
- 15 kts
What is the cargo hook capacity?
1500 lbs
What kind of fuel control system is in the TH-57 B/C?
Pneumatic mechanical
Where is the engine internal oil filter located?
Inside the accessory gear box near the top mounting pad
The hydraulic fluid is cooled by the ______ and air from the ______?
Fanning of the power pack
Engine oil cooler blower
Where is the engine internal oil filter located?
Inside the accessory gear box near the top mounting pad
What are tail rotor blades made out of?
Aluminum honeycomb with stainless steel skin
Where is engine oil temperature measured?
At the oil tank
What is the droop compensation system directly connected to?
The Nf governor
