DO NOWDO NOW LESSON # LESSON #

1) Explain how lift is achieved.

2) What is an airfoil?

April 19, 2023

3) What is Bernoulli’s Principle?

Focus PointFocus Point: : What are the What are the different Types of Wing different Types of Wing

Designs?Designs?Instructional Instructional Objectives:Objectives:

1. 1. Identify top view Identify top view wingswings

2. 2. Identify frontal view Identify frontal view wingswings

3. 3. Describe the Describe the evolution of wingsevolution of wings

LESSON # 8LESSON # 8

April 19, 2023

I) IN THE BEGINNING…I) IN THE BEGINNING…

There was no metalThere was no metal

There was only wood.There was only wood.

This meant that wings were short.This meant that wings were short.

Short wings need to develop as much lift Short wings need to develop as much lift as possible.as possible.

II) Wing Designs: II) Wing Designs: A) Straight Leading & A) Straight Leading &

Trailing EdgesTrailing EdgesStraight Leading Edge

Straight Trailing Edge

Straight Leading & Straight Leading & Trailing EdgesTrailing Edges

B) Tapered Leading & B) Tapered Leading & Trailing EdgesTrailing Edges

Tapered Leading Edge

Tapered Trailing Edge

Once planes were made of metal, the wings could be made longer.

Tapered Leading & Tapered Leading & Trailing EdgesTrailing Edges

C) Sweptback WingsC) Sweptback Wings

When planes got even faster, wings were swept back for aerodynamic purposes.

Sweptback Wing

D) Delta WingsD) Delta Wings

The fastest of jets use delta wings.

DELTA WING

III) Frontal Wing FormsIII) Frontal Wing Forms

This is the appearance of the wings when This is the appearance of the wings when looking at them from the front.looking at them from the front.

The specific design depends on the needs The specific design depends on the needs of the aircraft.of the aircraft.

A) High WingA) High Wing

High wings allow for greater land view and ground clearance.

B) Low WingB) Low Wing

Low wings allow for greater sky visions.

C) Mid WingC) Mid Wing

D) Dihedral WingD) Dihedral Wing

Dihedral wings increase stability against crosswinds.

E) Gull Wing and Inverted GullE) Gull Wing and Inverted Gull

Focus PointFocus Point: : What are the What are the different Types of Wing different Types of Wing

Designs?Designs?SUMMARY: SUMMARY: (ACCOUNTABLE TALK)(ACCOUNTABLE TALK)

1. 1. What is the purpose of What is the purpose of the dihedral wing?the dihedral wing?

2. 2. What are 3 types of What are 3 types of wing designs?wing designs?

3. 3. Discuss the evolution Discuss the evolution of the wing.of the wing.

LESSON #LESSON #

April 19, 2023