- 1). Poke two holes in the aluminum can approximately 1-1/8 inch from the bottom with the straight pin. Angle these holes so they will form jets by pointing upward and pushing them backward. When complete, remove the pin.
- 2). Stick the straight pin through the middle of the metal square and place a pre-cut 4-inch piece of tape over the pin and square. The pin should poke through and the sticky side of the tape should be facing down.
- 3). Place cork on top of the pin to form a handle. Place aside for later.
- 4). Empty 1/2 ounce of water into the aluminum can.
- 5). Place the foam cup upside down on the top of the can. Tape the cup to the can with tape to form a seal.
- 6). Grab the handle that you had put aside and attach with tape to the foam cup.
- 7). Put on your goggles and hold the model engine over the heat of the Bunsen burner. When you see the engine begin to spin, it is working.
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