Flight mechanics - Lift and trajectory

Flight mechanics - Lift and trajectory

This course is part of Fundamentals of Flight mechanics Specialization

Instructor: Eric Poquillon

Access provided by Lok Jagruti University

4,566 already enrolled

4 modules

Gain insight into a topic and learn the fundamentals.

72 reviews

Intermediate level

Some related experience required

6 hours to complete

Flexible schedule

Learn at your own pace

4 modules

Gain insight into a topic and learn the fundamentals.

72 reviews

Intermediate level

Some related experience required

6 hours to complete

Flexible schedule

Learn at your own pace

What you'll learn

Define the lift coefficent.
Describe the relation between angle of attack and speed.
Describe the limitation of a flight interms of speed, altitude and attitude.

Skills you'll gain

Details to know

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Assessments

14 assignments

Taught in English

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This course is part of the Fundamentals of Flight mechanics Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

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There are 4 modules in this course

In this course, you will understand the influence of the angle of attack and speed on the lift. Then we will focus on hazards and limitations, like stall, spiral dive, or flutter.

You will understand why stall phenomenon and Mach number limit the maximum lift and altitude the airplane can achieve. Then, you must understand what is flutter and why the altitude and speed of the airplane must be restricted to a safe domain. In the end, we will explain how to control the trajectory of the airplane and the relation with lift and load factor. This course is a part of the specialization "Fundamentals of Flight mechanics".

At the end of this module, you will understand the influence of the angle of attack and speed on the lift.

What's included

2 videos6 readings3 assignments1 discussion prompt1 plugin

2 videos Total 7 minutes

Aerodynamic forces 3 minutes
Lift coefficent 4 minutes

6 readings Total 40 minutes

Welcome! 5 minutes
Glossary/Definiton of terms 10 minutes
Summary 2 minutes
A reminder on angle of attack 10 minutes
AOA definition 10 minutes
Practical application: Angle of attack variation 3 minutes

3 assignments Total 28 minutes

Week assessment 20 minutes
Check your knowledge on aerodynamique forces 5 minutes
According to your observation, answer the questions 3 minutes

1 discussion prompt Total 10 minutes

Create lift and use it in the trajectory 10 minutes

1 plugin Total 15 minutes

Experiment AOA-Speed relationship 15 minutes

Let's focus on hazards and limitations, like stall, spiral dive, or flutter... You will understand why stall phenomenon and Mach number limit the maximum lift and altitude the airplane can achieve. What is flutter and why the altitude and speed of the airplane must be restricted to a safe domain?

What's included

11 videos4 readings7 assignments1 discussion prompt

11 videos Total 28 minutes

Stall definition 2 minutes
Stall speed 2 minutes
Stall demonstration 2 minutes
Stall origin 3 minutes
Risk prevention 3 minutes
Altitude effect on speeds 2 minutes
Buffet onset 2 minutes
Lift ceiling 3 minutes
Operationnal speeds 3 minutes
Other limitations 3 minutes
Drawing the flight envelope 2 minutes

4 readings Total 7 minutes

Stall 2 minutes
Stall origin and consequences 2 minutes
Summary 2 minutes
Summary 1 minute

7 assignments Total 95 minutes

Assess your knowledge 30 minutes
Beech 200 stall characteristics 15 minutes
Check your knowledge 10 minutes
Check your understanding 10 minutes
Check your knowledge on lift ceiling 10 minutes
Check your knowledge 10 minutes
Quiz 10 minutes

1 discussion prompt Total 10 minutes

About stall 10 minutes

As we know how to create lift, let's use it now to actually control the trajectory. We will first look at how to change our flight direction in the horizontal plane by doing a turn. We will then look at the change in the vertical plane when we pull up or push over. Sometimes, alteration of the trajectory is due to external factors like turbulence, which may result in unwanted load factor spikes. We will determine what we can do to reduce this nuisance.

What's included

6 videos3 readings3 assignments1 discussion prompt

6 videos Total 19 minutes

Trajectory, bank angle and load factor 4 minutes
Control technique 3 minutes
Rate of turn 2 minutes
Practical: Analysing a turn in DR400 5 minutes
Manoeuvering 3 minutes
Vertical gust 3 minutes

3 readings Total 2 minutes

Summary 2 minutes
Practical: Let's fly a turn with Stephane 0 minutes
Summary 0 minutes

3 assignments Total 30 minutes

Quiz 10 minutes
Quiz about turn 10 minutes
Quiz about manoeuvering 10 minutes

1 discussion prompt Total 10 minutes

Piloting technics 10 minutes

Test your knowledge.

What's included

1 reading1 assignment1 discussion prompt

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Instructor

Instructor ratings

(18 ratings)

Eric Poquillon

ISAE-SUPAERO

4 Courses 28,677 learners

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Reviewed on Jul 14, 2023

Very enjoyable, 100% reccomend. It gave me an opportunity to see what i cold be studyinf n higher education, and further cemented the idea that aerospace is what i would like to persue.

Reviewed on Jul 8, 2023

Excellent course contents and efforts of instructor taken. Never before I have seen that much passion in sharing knowledge with students. An instructor has really excellent knowledge.

Reviewed on Feb 11, 2023

Need more practice questions to better prepare for the test, a printable booklet would be nice

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