Small Electric Car for Educational Purposes
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Mini Electric Car for Schools
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Small Electric Car for Educational Purposes
The following concepts can be effectively demonstrated using this car:
- Series and parallel connection of batteries or rechargeable cells
- Gear ratios (overdrive and underdrive)
- A simple electric circuit with a switch
The following materials are needed to build the vehicle:
- Four wheels
- Four stoppers and C-clips
- One to six battery holders
- Some wire
- A simple motor that runs on approximately 1.5–3 volts
- Welding wire with a diameter of 2 mm
- Four ring screws with a diameter of 6 mm
Construction:
Attach the four ring screws to the underside of a wooden base plate. The axles (see photo) are inserted through these and secured with clips to the ring screws. A large pulley is attached to one of the axles.
The battery holders can be wired using a piece of stripped wire (about 10 mm) through both holes so that a connection is created. Of course, ready-made battery holders can also be used.
The vehicle is assembled by soldering the battery holders, switch, and motor. The battery holders and motor are attached to the base plate using hot glue. The motor is positioned so that it can drive the large pulley using a small rubber band.
Additionally, students can build a body for the car using thin cardboard, strong scissors, and some hot glue. The switch can be mounted outside the car body with proper preparation.