Lesson Notes By Weeks and Term - Senior Secondary 1

Vehicle layout

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TERM – 2ND TERM

WEEK ONE

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 5 periods each

Date:

Subject: AUTO MECHANICAL

Topic: VEHICLE LAYOUT

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Define vehicle layout

II.) Identify the components of vehicle layout

III.) Mention the advantages of front wheel drive

IV.) Mention the disadvantages of front wheel drive

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher explains the meaning of front wheel drive and identify the components

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher discusses the advantages and disadvantages of front wheel drive

Students exhibit attentiveness and active engagement

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

VEHICLE LAYOUT

A vehicle layout refers to the arrangement of the major components such as the engine, transmission, drivetrain, and passenger/cargo areas within a vehicle. It is divided into two components;

  1. Front wheel drive
  2. Rear wheel drive

Front-wheel drive (FWD) is a vehicle layout where power is delivered to the front wheels, which are responsible for both propulsion and steering. In this configuration, the engine is positioned transversely (sideways) in the front of the vehicle, with the transmission typically integrated into the same housing.

Advantages of Front-Wheel Drive

  1. Better traction: FWD vehicles tend to perform well in slippery conditions such as rain or snow because the weight of the engine and transmission is directly over the driven wheels, enhancing traction.
  2. Space efficiency: By integrating the engine and transmission in the front, FWD vehicles typically have more interior space compared to rear-wheel drive counterparts, making them more practical for passengers and cargo.
  3. Improved fuel efficiency: FWD vehicles are generally lighter and more compact, which can contribute to better fuel economy compared to rear-wheel drive vehicles.
  4. Lower manufacturing costs: The design of FWD vehicles is often simpler and less expensive to produce compared to rear-wheel drive counterparts, making them more affordable for consumers.

Disadvantages of Front-Wheel Drive

  1. Torque steer: In powerful FWD vehicles, the tendency for the front wheels to both drive and steer can lead to torque steer, where the vehicle pulls to one side under hard acceleration.
  2. Handling characteristics: FWD vehicles tend to exhibit understeer, where the front end loses grip and pushes wide in corners, especially when pushed to the limits of traction.
  3. Limited towing capacity: FWD vehicles typically have lower towing capacities compared to rear-wheel drive counterparts due to the weight distribution and drivetrain layout.
  4. Maintenance challenges: Repairs and maintenance tasks, such as accessing and servicing components located deep within the engine bay, can be more difficult and labor-intensive in FWD vehicles compared to rear-wheel drive counterparts.

EVALUATION: 1. Define vehicle layout

  1. What is front wheel drive
  2. Mention 3 advantages of front wheel drive
  3. Mention 3 disadvantages of front wheel drive

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively