UNIT 1. PRINCIPAL STRUCTURAL UNITS OF THE AIRPLANE
Dialogue I
T. We will consider the principal structural units of the airplane. Look at the picture.
This is an airplane.
T. Do you know the meaning of the word 'airplane'?
S. Yes, I do. It is 'літак'.
T. You are right. There are some words in the English language which have the same meaning. They are aircraft, airliner and airplane, plane, for short.
S. What does the airplane consist of?
T. The airplane consists of five principal structural units: the fuselage, the wing, the tail unit, the landing gear, the power plant. The wing means 'крило'. It is the main plane of the aircraft. The word 'plane' has two meanings 'літак' та 'площина'.
S. What is the function of the wing?
T. The function of the wing is to support an airplane in the air and to create lift.
S. What is the function of the fuselage?
T. The function of the fuselage is to carry passengers, crew, cargo, equipment and to support the wing, tail unit and engines in some designs. It also carries the landing gear.
S. What is the meaning of the word 'crew'.
T. It is екіпаж'. 'Cargo' means 'вантаж'. The Ukrainian for 'tail unit' is 'хвостова частина'. There are some Synonyms to it. They are: the tail assembly, empennage, fin assembly. The word 'engine' means 'двигун'. The landing gear is 'шассі'.
S. What is the function of the tail unit?
T. The function of me tail unit is to provide directional stability and control of the airplane in flight.
S. What is the function of the power plant?
T. The power plant is a source of power.
S. What is the function of the landing gear?
T. The landing gear supports the airplane on the ground and its function is also to absorb shocks of landing.