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Aerodynamics
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Aerodynamics

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  • 1. Hello my name is Timu and I am going to tell you what aerodynamics is with vehicles. But first here are some key words below just to see if you know them or not. If you don’t know any of these words I will explain what they mean. So once you know them keep them in mind because I will quiz you at the end. Lift Thrust vAir flow Gravity Drag vSpoiler Click here to continue
  • 2. Here is a diagram of what the key words mean Gravity Lift Drag Thrust
  • 3. Here we have two types of vehicles. A truck and a car. These will be my assistants. Click here Click here Do you know witch one is more aerodynamic
  • 4. Thats Wrong The front of the truck is flat so the air just hits the front of the truck so the wind fights against the truck. Have another go
  • 5. Thats Right! The airflow goes over the car when it is driving because it is shaped to go fast. If you look at the front of the car it isn’t flat, it’s curved so it is more aerodynamic.
  • 6. This here is a dragster. These type of vehicles are made for short but fast races and they are very aerodynamic. Spoilers are the piece on the back of a dragster Click here to see what happens when there is no parachute They make the airflow go down to stop the dragster to lift Dragsters Thrust very fast so they also have a parachute to stop it from speeding on past the finish line. That is called the drag.
  • 7. Finish Line
  • 8. Click here to see what happens when there is no spoiler
  • 9. Click here to continu
  • 10. A dragster without a spoiler would slowly raise by the second from its speed then tip backwards.
  • 11. Who do you think would win? As you this dragster compered top Look atcan see the air goes overto theof the dragster so the air doesn’t truck. It has a spoiler, parachute affect the speed. and it is very aerodynamic. The truck fights the wind so the the Look at this truck compered to truck dragster. It has no spoiler and it the would never win a race against is not aerodynamic. dragster