Aircraft Design I — Winter 2019

Discuss three phases of aircraft design process in one sentence.

Define Basic empty weight, expandable payload, reserve fuel, maximum zero fuel weight.

Shortly explain different phases of flight of a conventional ground attack aircraft.

Define all parameters required to start aircraft design.

Discuss various types of wing layout and their necessity.

Explain aircraft development process with block diagram.

How will you determine fuel fraction for weight estimation.

How will you determine Maximum Takeoff Weight after determining Fuel weight?

Explain effect of thrust to weight ratio on climb performance.

Explain effect of wing loading on takeoff performance in various temperature and density conditions.

Which aerodynamic considerations are required to design a supersonic public transport aircraft?

04 Explain advantages and disadvantages of H-tail and V-Tail configurations with neat sketch.

Classify types of drag explain each of one in one sentence.

How will you determine area of horizontal stabilizer of a jet transport aircraft? Explain with neat sketch.

Which considerations should be taken to choose airfoil section of a horizontal stabilizer?

How will you decide plan form shape of horizontal tail plane for different applications and airspeeds?

How will you determine are of vertical fin of a supersonic jet fighter aircraft?

Discuss considerations to place horizontal stabilizer and set a proper tail moment arm.

How will you select type of aircraft engine for particular design?

Only draw suitable locations for placements of aircraft engines

Explain principle of construction for airframe with examples.

What are the considerations to select material for particular components?

Discuss any one type of main rotor configuration with respect to maneuvering controls.

What is refined weight estimation method?

Explain function of cyclic and collective pitch control.