Aircraft Design I — Summer 2021

Define Maximum Take off weight, Basic empty weight and fuel weight.

Explain phases of flight of any general aviation aircraft.

Shortly discuss conceptual, preliminary and detail design process.

Shortly discuss structure factor.

Explain how fuel quantity affects range and endurance of any aircraft.

Explain method to estimate Max. Take off weight in brief.

How will you select cross section of wing for particular speed and altitude?

How will you select chord and span of ailerons and rudder?

Discuss effects of distances among 3 undercarriages of aircrafts.

Discuss under carriage retraction geometry of a conventional jet transport aircraft.

Only draw side view of a landing gear of naval/marine fighters with necessary angles.

Explain how to set size of elevator.

Discuss the effects of C/Con cruise and turns. t r

Which components of aircraft are considered in basic empty weight?

Discuss effect of T /Wratio on activeness of aircraft? Which max o maneuvers will be affected by variation in wing loading?

Discuss the effects of aspect ratio of wing on airframe strength and flight performance.

Shortly explain engine selection process.

How will you chose plan form shapes of Vertical Stabilizer?

Which considerations will you take to select tail plane configuration?

Explain V Tail function of any conventional aircraft.

Explain graph of Type of Engine VS M. max

Explain contra rotor configuration and flight control of helicopter.

Shortly explain function of both rotors in conventional helicopter.

Discuss selection criteria of cross sections of main rotor blades.

With neat sketch explain control system of swash plate of conventional helicopters.