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Flight mechanics - Lift and trajectory

Flight mechanics - Lift and trajectory

This course is part of Fundamentals of Flight mechanics Specialization

Instructor: Eric Poquillon

4,781 already enrolled

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4 modules

Gain insight into a topic and learn the fundamentals.

74 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.

74 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".

Module details

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 videosTotal 7 minutes

Aerodynamic forces3 minutes
Lift coefficent4 minutes

6 readingsTotal 40 minutes

Welcome!5 minutes
Glossary/Definiton of terms10 minutes
Summary2 minutes
A reminder on angle of attack10 minutes
AOA definition10 minutes
Practical application: Angle of attack variation3 minutes

3 assignmentsTotal 28 minutes

Week assessment20 minutes
Check your knowledge on aerodynamique forces5 minutes
According to your observation, answer the questions3 minutes

1 discussion promptTotal 10 minutes

Create lift and use it in the trajectory10 minutes

1 pluginTotal 15 minutes

Experiment AOA-Speed relationship15 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 videosTotal 28 minutes

Stall definition2 minutes
Stall speed2 minutes
Stall demonstration2 minutes
Stall origin3 minutes
Risk prevention3 minutes
Altitude effect on speeds2 minutes
Buffet onset2 minutes
Lift ceiling3 minutes
Operationnal speeds3 minutes
Other limitations3 minutes
Drawing the flight envelope2 minutes

4 readingsTotal 7 minutes

Stall2 minutes
Stall origin and consequences2 minutes
Summary2 minutes
Summary1 minute

7 assignmentsTotal 95 minutes

Assess your knowledge30 minutes
Beech 200 stall characteristics15 minutes
Check your knowledge10 minutes
Check your understanding10 minutes
Check your knowledge on lift ceiling10 minutes
Check your knowledge10 minutes
Quiz10 minutes

1 discussion promptTotal 10 minutes

About stall10 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 videosTotal 19 minutes

Trajectory, bank angle and load factor4 minutes
Control technique3 minutes
Rate of turn2 minutes
Practical: Analysing a turn in DR4005 minutes
Manoeuvering3 minutes
Vertical gust3 minutes

3 readingsTotal 2 minutes

Summary2 minutes
Practical: Let's fly a turn with Stephane0 minutes
Summary0 minutes

3 assignmentsTotal 30 minutes

Quiz10 minutes
Quiz about turn10 minutes
Quiz about manoeuvering10 minutes

1 discussion promptTotal 10 minutes

Piloting technics10 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 Courses30,021 learners

Offered by

ISAE-SUPAERO

Learner reviews

5 stars
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4 stars
16.21%
3 stars
0%
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1 star
2.70%

Showing 3 of 74

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 26, 2024

Is useful and interesting course with incredible learning for those who are passionate in this field .

Reviewed on Aug 26, 2023

Nice introduction to the topic but was hoping for more details about 'flutter' for flight control surfaces and how it is managed.

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