Science a Boon or Bane

Science a Boon or Bane

  • Submitted By: arkbenston
  • Date Submitted: 05/12/2009 12:42 AM
  • Category: Science
  • Words: 998
  • Page: 4
  • Views: 7104

Traction Bands
Eyelets or washers
Eye Screws
Wood Sheet 5" x 2" x 3/32" (or larger, so you can cut to any size)
Axle Guards, Basswood 1/5" x 1/5" x 2" (5mm x 5mm x 5cm) sticks
Motor Mount (With straps if needed)
Procedure Sheet

Propulsion Systems:
Propulsion systems include using two AA batteries  and a DC motor with a Pulley and Rubber band drive.
Advanced students are encouraged to experiment with different size pulleys.

Basic Tools Required
These items may be required to build the pulley motor vehicle: (You can make your car model without them as well)
craft knife, used to cut or trim soft wood.
White glue, wood glue or glue gun
Soldering Iron, needed if you need to solder wires.
Pliers, used to connect and twist wires together if needed
rulers, used for measurements
Pencil, used for marking

Safety Recommendations
During the construction of the vehicle, the following safety precautions should be observed.
Wear safety glasses
Use care with sharp cutting blades
Avoid touching the tip of the glue gun or soldering gun
Put safety first

Other methods of mounting the axle

Materials Checklist:
Before using the kit please make sure you have all the items listed below. This kit has the supplies to build one pulley motor car model. A pulley motor car is an electric car that uses pulleys and belts for its transmission system.
Battery Holder
AC motor
Rear Slicks 1 9/16" diameter x 5/8" wide
Front Wheels 1 3/8" diameter
1/8" dowel for axles

Step 1:
Construct the basic car chassis with 4 wheels

Cut a strip of wood that is 2" (5cm) wide.
Mark the location of axles by drawing two lines, one on each end of the car, parallel to the front or back side. Axle lines must be about 1 inch away from the front or back.
On the axle lines, mark two points that are 1/4" (6mm) away from each side. Insert one eye screw in each of...

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