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In the text find the antonyms of the following words and make up your own word combinations with them

Fixed, to increase, main, to promote, irregular, weak.

Translate from English into Russian.

Оснащать хвостовым оперением, отклонять вверх или вниз, достигается посредством руля высоты, вспомогательная плоскость, шарнирный момент, избегать флаттера, правый борт ЛА, положение самолёта в воздухе.

Use the prepositions in the box to complete the sentences.

along of at from in of with

1. Trimmers are used to produce constant control deflections to hold the airplane ____ a certain attitude ____ flight.

2. The dorsal fin is placed ____ the upper side ___ the fuselage body.

3. In order to provide the necessary stability airplanes are fitted ____ a tail unit.

4. Fin is a vertical control surface __ the rear of the fuselage.

5. Trimmers are adjustable ___ the cockpit.

Writing

Match the beginnings and the endings of the sentences.

1. In order to provide the necessary a) along the upper side of the aft

stability … portion of the fuselage body.

2. The dynamic balancing is one b) he moves the rudder to the right.

of the precautions taken….

3. Directional control of the airplane c) to produce constant control

is achieved …. deflections.

4. The structure of the tail unit d) airplanes are fitted with a tail unit.

consists of …

5. A movable control surface e) this is done by means of the

called an elevator is … elevator.

6. When the pilot needs to change f) to avoid flutter, a violent vibration

his flight direction to the right… of a wing or control surface.

7. Dorsal fin is placed … g) by means of the rudder, which is

a movable vertical surface.

8. Balance areas reduce the hinge h) to right or left or retained in the neutral

moment ….. position in line with the fin.

9. Trimmers represent small adjustable i) hinged to the rear of the stabilizer.

areas arranged …

10. If the pilot needs to cause the nose j) needed to deflect surface.

to rise or fall ….

11. Trimmers are used …. k) longitudinal and transverse structural

elements called spars and ribs.

12. Rudder is hinged to the rear of l) near the trailing edges of the movable

the fin and can be moved … surfaces.


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