Anti Torque Rotor

Question 1

The rotor torque required from an anti torque rotor is (directly, inversely) proportional to power in use.

Answer 1

Directly

Question 2

A helicopter fitted with the main rotor rotating clockwise viewed from above tends to ——- to the (right, left) when power is applied and to counteract the yawing the tail rotor blade angles must be (increased, decreased) which is achieved by supplying sufficient (left, right) pedal

Answer 2

Yaw
Left
Increased
Right

Question 3

Viewed from behind, tail rotor thrust of a helicopter with a counterclockwise rotating main rotor acts to the (left, right) and it does so by drawing air from the (left, right) and accelerating it to the (left, right).

Answer 3

Right
Right
Left

Question 4

Tail rotor rpm is controlled by the (main rotor, foot pedals)

Answer 4

Foot pedals

Question 5

When lowering collective the (increased, decreased) demand for anti-torque requires (less, more) left pedal.

Answer 5

Decreased

Less

Question 6

As you commence a left hand hover turn you do not raise or lower the collective lever. As the turn progresses, your height will (increase, decrease) because there is a (increase, decrease) requirement for anti torque.

Answer 6

Decrease
Increase

Question 7

When you hover out of ground effect you require a certain amount of ——- pedal to maintain heading. If. You then descend into ground effect without changing pedal position, the helicopter will yaw (right, left) as you maintain your new position.

Answer 7

Left
Left

Question 8

Factors that cause loss of tail rotor effectiveness are aggravated when the wind is (weak, strong), the helicopters weight is (high, low) and the airspeed is (low, high).

Answer 8

Strong
High
High

Question 9

A tail rotor placed on a pylon assists in (increase, decrease) the degree of (tail rotor drift, rolling tendency)

Answer 9

Decrease
Rolling

Question 10

Given the same size and similar rpm as an exposed tail rotor, the shrouded ( Fenestron) tail rotor is (more, less) effective, is ( easier, more difficult) to install and (does, does not) need freedom to flap.

Answer 10

More
More difficult
Does not

Question 11

When the tail rotor drive shaft breaks while in cruise flight, the helicopter will ——- to the (left,right) and as speed is reduced it is necessary to (increase, decrease) power to maintain directional control

Answer 11

Yaw
Right
Decrease