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DA40 NG > AFM > Flashcards

AFM Flashcards

1
Q

How are the ailerons, elevator and wing flaps are operated?

A

Control Rods.

The flaps are electrically operated.

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2
Q

What is the trim tab’s main function?

A

To balance the elevator forces. The trim tab is operated by Bowden cable.

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3
Q

How is the rudder operated?

A

Steel cables

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4
Q

How many hinges do the following have?

Ailerons:

Elevator:

Flaps:

A

Ailerons: 4

Elevator: 5

Flaps: 6

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5
Q

What is the fuselage made of?

A

GFRP

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6
Q

The wings, ailerons, flaps are made of?

A

GFRP/CFRP

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7
Q

Empennage is made of and rudder and elevator?

A

T tail has GFRP. Both the stabilizers
have twin spars and a skin with no sandwich.

Elevator: GFRP sandwich.

Rudder: GFRP sandwich.

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8
Q

How are the brakes operated?

A

Hydraulically

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9
Q

Hydraulically operating disk brakes act on which landing gear?

A

wheels on the main landing gear

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10
Q

How is the brake pressure on the parking brake built up?

A

By using the toe brake pedals the outlet master cylinder on the pilot’s rudder pedal is connected by a hose which leads to a parking brake valve and after that the pressure goes through another hose which is connected to the brake caliper.

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11
Q

What’s the name of the engine?

A

Austro Engine E4A

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12
Q

What are some specifications of the engine?

A
  • Liquid Cooled, 4 Cylinders, 4 Strokes with wet sump lubrication
  • In-line construction
  • Common rail direct injection
  • Propeller speed reducing gear 1:1.69
  • Turbo Charger with intercooler
  • FADEC with Propeller governing system
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13
Q

What type of heating element that is used for starting the engine in the DA40 NG?

A

Glow plug

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14
Q

Where does the EECU receive its electrical power?

A
  • Form the alternator when the engine is running
  • From the Main Battery when the engine is NOT running.
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15
Q

Max power output?

A

Max: 123.5 kW at 2300 RPM

Max continuous: 114 kW at 2100 RPM

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16
Q

What are the 3 things the ECU controls to get the desired engine power?

A
  • Manifold Pressure
  • Injected fuel quantity
  • Propeller speed
17
Q

What is the gearbox oil for?

A

It’s used by the propeller governor to change the propeller pitch

18
Q

What happens when there’s loss of gearbox oil pressure?

A

The propeller goes to LOW PITCH STOP (High/Max RPM)

19
Q

When do you use the alternate air?

A

When there’s a power loss because of icing or blockage of the air filter.

It takes the air from the engine compartment (inside the cowling).

20
Q

What’s the name of the propeller and the description?

A

mt-Propeller MTV-6-R/190-69 hydraulically regulated 3-bladed constant speed variable pitch propeller.

21
Q

What’s is the propeller made of?

A

Wood-composite blades with FRP coating.

The leading edge is covered by metal and is coated with adhesive PU tape.

22
Q

How is the pitch of the propeller controlled?

A

It is controlled by the mt-propller governor.

The pitch is set by the ECU using an electro-mechanical actuator on the governor.

23
Q

How does the governor change the blade pitch angle?

A

To change the blade pitch angle, the gearbox oil is pumped into the propeller hub, which leads to an increase in pitch and a lower propeller RPM.

24
Q

What happens when the gearbox oil leaves the propeller hub?

A

Decreases pitch and increases RPM

25
Q

What is the purpose of draining the fuel?

A

To remove water and sediment

26
Q

From which tank is the the fuel normally taken?

A

Main tank (left tank)

27
Q

Can the fuel be transferred from the AUX to the MAIN tank manually?

A

Yes. Using the fuel transfer pump.

28
Q

When will the fuel transfer pump be switched off automatically?

A

When the main tank is full

or

AUX tank is empty

29
Q

Can you use the fuel directly from the AUX tank?

A

Yes. By switching the fuel valve to EMERGENCY.

30
Q

What happens when you leave the fuel valve to EMERGENCY and the AUX tank is empty?

A

The engine stops running.

Make sure put it back to normal before the AUX tank is 0 fuel.

31
Q

What the maximum fuel quantity can be indicated in a LONG RANGE tank?

A

14 US/gal

32
Q

What is capacity probe and why is it not accurate?

A

It measures the fuel quantity in each tank.

Because the indication is non linear (the change of the output is not proportional to the change of the input) so direct calculations are not possible.

33
Q

Where is the gascolator located at?

A

At the lowest point of the entire fuel system.

34
Q

How can you measure fuel quantity?

A

Using the alternate means for fuel quantity
indication

DA40 NG (6 decks)

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