Lesson Notes By Weeks and Term v4 - SHS 1
UAV Applications
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UAV Applications
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Aviation And Aerospace Engineering
Class: SHS 1
Term: 2nd Term
Week: 16
Grade code: 1.4.1.LI.2
Strand code: 4
Sub-strand code: 1
Content standard code: 1.4.1.CS.1
Indicator code: 1.4.1.LI.2
Theme: Unmanned Aerial Vehicles (UAVS)
Subtheme: UAV Applications
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Good morning, class. Today, we are going to explore the exciting world of Unmanned Aerial Vehicles, or UAVs, which many of you know as drones. We see them more and more in Ghana – capturing beautiful videos at weddings, helping farmers on large cocoa farms, and even delivering important medical supplies to remote villages. But have you ever wondered, "How do they actually fly?" It's not magic; it's pure science and engineering! Understanding these principles is the first step to becoming a skilled operator, designer, or engineer in this growing field.
This section breaks down the core ideas you need to understand how a drone flies. A. What is a UAV and What are its Main Parts?
A UAV (Unmanned Aerial Vehicle) is an aircraft without a human pilot on board. It is controlled either by a computer on the ground or autonomously by an onboard computer. The most common type we see is the multicopter, specifically the quadcopter (four propellers).
Let's look at the main parts of a typical quadcopter:
| Component | Function (What it does) | Simple Analogy | | :--- | :--- | :--- | | Frame | The main body or "skeleton" that holds all the other parts together. | Your own skeleton | | Motors | They spin the propellers at very high speeds. | The engine of a car | | Propellers | These are the "wings" of the quadcopter. When they spin, they push air. | A standing fan's blades | | Flight Controller (FC) | The "brain" of the UAV. It takes signals from the pilot and tells the motors how fast to spin. | Your brain | | Battery (LiPo) | The power source that gives electricity to all components. | The heart pumping blood | | Receiver (Rx) | Receives commands from the pilot's remote control. | Your ears | | Transmitter (Tx) | The remote control the pilot holds to send commands. | Your voice |