Mechanical - PowerPoint PPT Presentation

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Mechanical

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Mechanical BY David Hardy And Matt Carter Safety Work Safely- wear personal protective equipment when working on the car: Safety goggles/facemask (including welding ... – PowerPoint PPT presentation

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Title: Mechanical


1
Mechanical
  • BY David Hardy
  • And
  • Matt Carter

2
Safety
  • Work Safely- wear personal protective equipment
    when working on the car
  • Safety goggles/facemask (including welding
    masks!)
  • Protective clothing
  • Gloves
  • Closed-toe shoes
  • Adequate Equipment- make sure your tools are in
    safe working order. Check power tools for loose
    parts, frayed wires, or anything else that just
    doesnt look right.
  • Safe Design- follow or go beyond all rules and
    regulations (roll cage,etc.). Remember that you
    are irreplaceable and that your car is VERY
    expensive to repair!

3
Steering
  • Keep it simple
  • Make the steering system easy to operate, repair,
    and maintain.
  • Rack and pinion is highly recommended
  • Make sure that you meet the turning radius rules
    for scrutineering.
  • A power steering apparatus may sound like great
    idea but they are heavy, difficult to operate,
    and messy.

4
Brakes
  • Hydraulic disc brakes are ideal!
  • Lightweight, easy maintenance, all shapes and
    sizes to suit your cars weight.
  • Mechanical brakes have inherent design flaws and
    are prone to fail!
  • Drum brakes are bulky and inefficient.
  • Mount brakes securely to car!
  • Familiarize yourself with the ins and outs of how
    your braking system(s) work.
  • Test, test, TEST!
  • Drivers should have full confidence in slamming
    on the brakes.

5
Wheels and Tires
  • Ideally, wheels should be lightweight and durable
    enough to support the car.
  • Historically, wire spoke wheels have not been a
    safe option.
  • Become very familiar with how to mount and remove
    the wheels from the car, and always have a spare!
  • The most popular tires in high school solar
    racing are Bridgestone Ecopia tires.
  • High-pressure tires with a thin vertical profile
    are ideal.
  • Become very familiar with how to change tires off
    the wheels quickly.

6
Motor
  • Expect expensive, but search for all your
    options.
  • Hub motors are gaining popularity, but are
    expensive.
  • If not using a hub motor, decide which type of
    drive works for your car chain, belt, or direct,
    for example.
  • Experiment with the gearing of your drive system.
    There is no simple, set formula to gear ratios,
    so find what works for your car.

7
Suspension
  • Suspension types, designs, and cost vary greatly
    by vehicle. Find what works with your budget and
    vehicle.
  • Familiarize yourself with how to make small and
    large adjustments for the varying conditions your
    car will go through.
  • Learn how to keep your wheels correctly aligned.
    This will save you on tires and other wear
    and tear on your vehicle.

8
Summary
  • Safety is the key element of building every
  • aspect of your car. If you work with safety in
  • mind, your cars structure will be both durable
  • and efficient.
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