How to Make a Oil Pump Model

Have you ever wanted to learn the basics of changing the oil in your car? Well with this in-depth project you will be able to learn what goes into an oil pump! It's quick, easy, and interactive.

Level of expertise: Basic to Novice

Safety concerns: Be careful when using certain tools (Exacto knife and scissors) throughout this project. If you are a kid, make sure an adult is present.

Materials:

1 stick of plumbers putty

Pair of Scissors

1 2L of Pepsi Milk Jug

1 ft of 1-inch wide Clear Plastic Tubing

1 roll of toilet paper

1 tube of cardboard

1 Sharpie

Elmer's glue

1 Tupperware Large container

Take the Toilet Paper Tube and Measure Off 2 to 3 Inches of the Tube

Cut a Piece Into the Size of 2 to 3 Inches With a Pair of Scissors

Cut Lengthwise on One Side of the Tube, to Make It a Flat Piece

Roll the Tube Up to the Size Smaller Than the Hole in the Clear Plastic Tube, Don’t Worry About the Excess It’ll Take Care of Itself

Line a Thin Layer of Glue Along the Inside of the Newly Constructed Tube

Insert the cardboard tube into the clear plastic tube, make sure that it is even from end to end.

Tear Off 3 Squares of Toilet Paper and Fold Them in on Each Other to Make One Square That Is 3 Squares Thick

Roll the Square of Toilet Paper Until It Is Made Into a Tube. Want to Make It Look Like a Scroll.

Insert the Toilet Paper Scroll Into the Cardboard End of the Clear Plastic Tube

Let the Glue Dry for About 5 Min, or Until You Can Pull on It Without It Moving

Take One End of the Clear Plastic Tubing and Place It Up Against the Milk Jug, Then Take the Sharpie and Carefully Outline the Tube.

Take Your Razor Knife or Scissors and Puncture a Hole Inside of the Plastic, Take a Sharpie and Make a Circle

Then Carefully Drag the Razor Knife Along the Outline of the Circle. Make Sure to Keep It Inside the Circle, Because We Can Always Take More Off Later.

Then Attempt to Insert the Clear Plastic Tube Into the Milk Jug. If the Hole Is Too Small Carefully Take Out More of the Plastic With the Razor Knife to Make It Fit. You Want the Tube to Fit Into the Milk Jug As Tight As Possible.

Once the Tube Is Inserted, Remove It and Take Out Your Plumbers Putty.

Take Out About 1 Inch of Plumbers Putty, Roll It Around and Play With It in Your Hands to Get It Well Mixed.

Line the Inside of the Circle With a Thin Layer of Plumbers Putty. Insert the Clear Plastic Tube With the Cardboard Side Going Into the Milk Jug. Twist It Around and Get It to Fit In, This Allows the Plumbers Putty to Create a Watertight Seal. Only allow the clear plastic tubing to go about ¼ of an inch inside the milk jug.

In your hands roll out the rest of the plumbers putty into a long roll of putty. Place the putty on the outside of where the plastic tube and milk jug meet. Take your finger and press into the putty to make it tight and compact on the milk jug, also drag your finger down the putty to create a base on the milk jug.

Give the putty 15 min to let it harden and create that watertight seal. It's best to take the toilet paper roll and support the tube so it doesn’t warp.

Place the cardboard on the table to catch any leaks or spills

Once the putty is dried, fill the milk jug with your dark liquid of choice.

Place your liquid catcher, in this case, the Tupperware, on the table. Then lift up the milk jug to where the tube is facing down and above the liquid catcher. Let gravity do the work and watch the liquid run through your model oil pump.