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Solar Car Engineering

Solar Car Engineering. How do you build a solar car?. Outline. Solar Panels 101 Chasis and Drivetrain Traction Wheels Gears. Solar Panels 101. http://videos.howstuffworks.com/hsw/6195-energy-sol ar-energy-video.htm. Chasis and Drivetrain. General Construction.

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Solar Car Engineering

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  1. Solar Car Engineering How do you build a solar car?

  2. Outline • Solar Panels 101 • Chasis and Drivetrain • Traction • Wheels • Gears

  3. Solar Panels 101 http://videos.howstuffworks.com/hsw/6195-energy-solar-energy-video.htm

  4. Chasis and Drivetrain

  5. General Construction • Use a low center of gravity • Make your robot durable • Remember…KISS

  6. General Construction Support Base -Which design do you think is more stable? A B

  7. General Construction Support Base -Which design do you think is more stable? A B

  8. Types of Drivetrain • 4WD • 2WD • Tank Drive

  9. Types of Drivetrain • 4WD • 2WD • Tank Drive

  10. Traction Which tire has more traction? A B

  11. Traction Which tire has more traction? A B

  12. Wheel types

  13. Torque

  14. What is Torque? Rotational force around an axis Larger distance from axis equates to a larger torque Can be translated into linear movement How does this apply to your car?

  15. Movement Linear Movement Rotational to Linear

  16. Here’s How!

  17. Introduction to Gears

  18. Gears • Gears are used to change the speed and power of your wheels from the motors • Higher gear ratios make your robot go faster, but with less power • Lower gear ratios make your robot slower, but with more power

  19. Gear Ratios Sample Problem

  20. Gear Ratios Problem One

  21. Gear Ratios Problem One Answers

  22. Gear Ratios Problem Two

  23. Gear Ratios Problem Two Answers

  24. Idler Gears What happens to the direction of motion of the gears in this picture? Idler Gear

  25. What’s happening to the speed and power of the follower gears?

  26. Reverse Direction idler gear

  27. Checkpoint Questions • The wider and shorter your base, the __a__ likely it is to tip over • The more wheels you drive with the __b___, the __c__ traction you have • Lower gear ratios result in more __d__ and __e__ speed • Higher gear ratios result in less __f__, but less __g__

  28. Any Questions?

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