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T-6: Systems 1 > SYS111 - Hydraulics 2 > Flashcards

SYS111 - Hydraulics 2 Flashcards

1
Q

Which cockpit has speed brake authority?

A

The speed brake responds to whoever makes the input

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2
Q

What kind of flaps does the T-6A have?

A

Split Flaps

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3
Q

Do the flaps require battery power?

What about the emergency flaps? If they do, why?

A

Yes they do.

The emergency flaps require battery power because they are connected to the Hot Batt Bus

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4
Q

What two conditions is flap operation and indication not available for?

A
  1. Batt Bus failure

2. Aux Batt is the only source of power

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5
Q

Is NWS part of the emergency system?

A

No

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6
Q

Does the brake system use the primary hydraulic system?

A

No

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7
Q

What are the three ways the speed brake will retract after extension?

A
  1. Speed brake switch is moved forward
  2. Flaps are lowered
  3. PCL is moved to MAX power
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8
Q

Where is the NWS selector valve located?

A

In the NWS actuator assembly

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9
Q

What powers the NWS system?

A

Gen Bus

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10
Q

What is the purpose of the speed brake?

A

The speed brake increases drag, thus decelerating the aircraft.

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11
Q

What is the purpose of landing flaps?

A

To allow you to maintain glideslope with a slower approach speed

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12
Q

Which way do you rotate the parking brake after pushing on the brakes and pulling it out?

A

90 degrees clockwise

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13
Q

When the slide valve closes, what components are not affected and why?

A

NWS is not affected when the slide valve closes because it is not part of the selector manifold

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14
Q

What is the relationship between the elevator trim tab and the speed brake?

A

As the speed brake is extended, it causes the nose to pitch up. A flexible cable connects the speed brake to the elevator trim tab. As the speed brake extends/retracts, the flexible cable automatically adjusts trim position to a more nose down/nose up trim condition.

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15
Q

Who controls the pressure of the brakes? Why?

A

Either the FCP or RCP, it is just whoever is pressing down on the brakes harder. Because the FCP and RCP share a master cylinder

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16
Q

When the emergency hydraulic system is activated, do you have control of the speed brake?

A

No

17
Q

What is the purpose of the centering valve on NWS?

A

It returns the wheel to a centered position before it is extended/retracted

18
Q

What 2 things does the flap torque tube do?

A

When the flaps are activated, the actuator rotates the flap torque tube which extends/retracts the flaps.
The flap torque tube also activates a position sensing microswitch, which drives the flap indicator in the cockpit.

19
Q

When may you extend emergency flaps?

A

Only after pulling the emergency landing gear handle

20
Q

If the Batt Bus fails, what is unavailable for the flaps?

A

Normal flap operation and flap indication is unavailable

21
Q

During a descent, how might the speed brake be of assistance?

A

Extending the speed brake allows for a steeper decent without a change in airspeed

22
Q

Describe the process of moving the nosewheel from rudder input.

A

Moving the rudder pedals mechanically operates the nose wheel by cables. This activates a servo valve that contains a level. The level moves back and forth using hydraulic pressure to turn the rotary actuator.

23
Q

Is the nosewheel selector valve part of the selector manifold?

A

NO, the NWS selector valve is NOT part of the selector manifold

24
Q

Without NWS activated, what are the rotation limits of the nose wheel?

A

Without NWS, the nose wheel is free castoring, allowing up to 80 degrees of turn in either direction.

25
Q

With NWS activated, what are the rotation limits of the nose wheel?

A

12 degrees

26
Q

What portion of the braking system send pressure to the brakes?

A

The master cylinder

27
Q

What hydraulic system provides the hydraulic pressure for NWS?

A

The primary hydraulic system

28
Q

How many pistons and discs does each main wheel contain?

A

6 pistons, 2 discs

T-6: Systems 1 (10 decks)

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