How do you make a balloon car step by step?
Steps
- Clean out a plastic bottle.
- Cut two pieces of straws the width as your bottle.
- Tape the straws to the side of the bottle.
- Cut two skewers down to make the axels.
- Slide the skewers into the straws.
- Make some wheels.
- Attach the wheels.
- Poke an X-shape on the side of the bottle, just below the dome.
How can I make my balloon car go faster?
How to Make a Balloon Car Go Faster
- Reduce Weight. Examine your car carefully for any opportunity to shed as much weight as possible.
- Minimize Drag. Drag, or air resistance, is important even at low speeds because the balloon car is so lightweight.
- Cut the Friction.
- Improve the Nozzle.
How do you make a balloon powered car challenge?
Testing Your Car
- Inflate the balloon (by blowing through the straw, if you attached it to a straw).
- Pinch the end of the balloon shut, or put your finger over the end of the straw, to prevent air from escaping.
- Put your car down on the floor, and let go of the balloon.
- Watch your car closely!
What materials do you need to make a balloon powered car?
Materials
- Plastic bottle.
- Four plastic bottle caps.
- Wooden skewer.
- Two straws.
- Balloon.
- Tape.
- Scissors or sharp knife (Have an adult use or supervise your use of this tool.)
- An adult helper.
How do you make a self propelled balloon car?
Procedure
- Put your car down on a flat surface and give it a good push.
- Tape the neck of the balloon around one end of the other straw.
- Cut a small hole in the top of the water bottle, just big enough to push the straw through.
- Push the free end of the straw through the hole and out the mouth of the bottle.
What makes a balloon car go farther?
Your balloon car uses jet power to move. The stored air in the balloon pushes through the straw, creating thrust—the force that pushes the car forward. So when air from the balloon moves in one direction, it pushes the car in the opposite direction.
What can I use to make wheels?
For the wheels: Some items that would be good for the wheels are candy gum balls, carrot slices, plastic caps, life savers candy, buttons, some beads, thread spools, vcr spools (take apart a vcr tape that isn’t used any more), metal washers, CDs or DVDs, cardboard tubes (cut into smaller pieces).
What made the toy car move?
Toy cars use a variety of mechanisms to make them go, but they all store up potential energy. Although the elastic material inside is usually steel and not rubber, the principle is the same. By changing the shape of the material (usually a coil of metal) energy is stored and then released as motion.
How do you make bottle cap wheels?
Steps
- Clean the plastic bottle. Take the label off the bottle.
- Drill the two holes into each side of the bottle.
- Find your axles.
- Gather four bottle caps.
- Paint the car and wheels.
- Place the axles into the plastic bottle.
- Drill a hole into the lid.
- Cut the top of the bottle to make a windshield.