# Examination of takeoff and landing | Aerodynamics

For your independent project, create an instructional presentation. This assignment utilizes two independent examples – For the takeoff performance portion, you will utilize a generic example, while the landing portion is conducted specifically for your team’s Cessna 172 project aircraft.

1. Takeoff (completed using a generic example)
• Utilizing Figure 10.1 (Dole et al., 2017, p. 162) explain on a selected example (not necessarily your team’s selected project aircraft) how takeoff performance data in tabular and graphical form (as can be found in the flight manual/POH) can be used to determine the specific parameter:
• Takeoff speed for a selected takeoff weight
• Length of the takeoff roll
• Distance required to clear a 50 ft obstacle
• Using the same example, explain (backed by specific example data) how environmental conditions influence the takeoff distance.
2. Landing (completed using your specific project aircraft)
• Approach speed for a selected landing weight
• Drag during landing
• Total drag at touchdown (stall speed)
• Average drag during landing roll (based on total drag at stall speed – Resources and Inputs)
• Residual thrust
• Residual power based on the rated power of the aircraft
• Thrust at touchdown
• Average thrust during the landing roll
• Average deceleration during the landing roll
• Length of the landing roll

Once you completed your specific landing case for your aircraft, discuss and support numerically (where appropriate) the following aspects:

• Influence of altitude on landings
• Influence on landing speeds
• Influence on landing distances
• Difference between landing roll length (as calculated above) and landing distance (as published in a POH)
• Influence of landing conditions such as runway material and surface condition, runway slope, wind conditions
• Influence of weight on landings
• Influence on landing speeds
• Influence on landing distances
• Critical evaluation of any factors that were not considered in your example

As previously stated, you are encouraged to utilize appropriate computational software such as Excel® or MatLab®

(550 words)

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