The Four Forces of Flight - Knowledge Check

Question 1 of 5

1. Question

You are in stable, level cruise and push the cyclic forward to accelerate. What must you also do to hold your altitude?

Raise the collective to add power

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Lower the collective to reduce drag

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Nothing; forward cyclic alone keeps the helicopter level

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Apply right pedal

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Question 2 of 5

2. Question

Which of the following are the three types of drag the rotor pays? (Select all that apply.)

Profile drag

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Induced drag

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Parasite drag

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Translational drag

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Transverse drag

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Question 3 of 5

3. Question

Fill in the blank.

In a coordinated level turn at 60 degrees of bank, the rotor carries Fill in the blank 1 of 1 times the aircraft's gross weight.

Question 4 of 5

4. Question

Match each type of drag to its description.

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Friction and pressure cost of moving the blades through the air; present even in a hover
The cost of producing lift; highest at low airspeed and greatest in the hover
Caused by the fuselage, skids, mast and rotor head; grows with the square of airspeed

Profile drag

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Induced drag

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Parasite drag

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Question 5 of 5

5. Question

During a hover-taxi, a student pushes the cyclic forward without adding collective. What happens to the helicopter's height above the ground?

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The Four Forces of Flight - Knowledge Check

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