What the rocket looks like after built:
Rocket Car in action!
MATERIALS:
2 Plastic bottles
3 Plastic wheels
2 aluminum rods
1 rubber tubing
1 piece of red plastic film
1 template
1 paper stock die cut axle support
1 piece silver duralar
1 fueling module
1 piece of balsa wood
1 nose cone
1 precut clear tubing
1 cup of vinegar
3 tablespoons of baking soda
Building the Rocket Car:
Step 1
Cover Axle suport with Sliver Foil
Cut a piece of silver foil 3.5" X 13". Cut piece into half lengthwise to make 2 strips of 13/4" X 13"
Poke out the axle holes in the axle support.
Step 2
Attach Axile Support and Brass Axle to Bottle
Tape axle support on the center of the bottle.
cut two 1/8" long pieces from the rubber tubing for wheel stops
Mark the center of the axle rod then slide it through the holes, Push the wheel stops over the ends to keep the axle from slipping out.
Tape center of axle rod to middle of axle support. This will make the axle support curve.
Step 3
Make Stabilizer Fin
Cover both sides of the balsa wood with silver foil. Then cut out the fin temple from the template page and tape it to the foil covered balsa. Use a hobby knife of sharp scissors to cut the fin from the balsa.
Step 4
Attach Fin to Rear Fuselage Bottle
Glue fin along one of the long seams on the bottle.
Cute two 1.25" X 5" fin supports from the silver foil.Fold each lengthwise down the center.
Remove the protective backing from the foil and attach the supports to each side of the fin.
Step 5
Join Fuselage Bottles
The red plastic sheet rolls into a tube to join the front and rear fuselage bottles together.The sheet is 10" X 12.5". You can use the tube as it is or lighten it slightly by cutting 1.5" off the long side to trim it to 10" X 11".
Peel the protective backing from the foam tape and wrap the tape around the inside edge of the nose cone.
Rolt the red plastic into a tube 10" long. the slide the front and rear bottles into the tube until it touches the front of the fin and the rear of the axle supports. Adjust the tube to fit snugly around the bottles and take the seam.
Push the nose cone on the end of the bottle.
Step 6
Attach Wheels
Front Wheels and Rear Wheel
Cut two 1/8" long pieces of tubing for wheel stops.
Slide wheel over axle.
Slide wheel over axle.
Push wheel stop over axle end.
Adjust so that wheel turns freely.
After building it , its time to let it blast off !!!
Safety Rules
Never stand in front of the rocket or point at anyone.
Never point the back of the rocket at anyone.
Never try to catch the rocket in motion.
Don't aim it in a direction where it could run into someone or something.
Stopper must be on the tube.
Fueling the Rocket
Rocket Car requires approximately 1 cup of vinegar and slightly less than 3 tablespoons of baking soda.
Pour Vinegar into Rocket Car
Turn the Rocket Car upside down and pour in vinegar. Add 3/4 to 1 cup of vinegar.
2. Adjust rubber stopper on fueling module
the red rubber stopper should be tightened slightly but not enough to compress the black rubber stopper.
3. Slip tube on fueling Module and fill with baking soda
Slip the tube loosely over the end of the stopper on the fueling module. Do not force it on tightly. Then fill the tube with baking soda. add 1/2 of baking soda.
4. Insert fueling module into rocket
Hold the Rocket Car horizontally and insert the fueling module into the bottle mouth. Push it in as tightly as you can. Twist the stopper as you insert it for a tighter fit.
5. Tighten red stopper
tighten the stopper 7 or 8 turns the first few runs,
6. turn Rocket Car upside down to empty baking soda into the vinegar
To start the chemical reaction, turn the Rocket Car upside down. The baking soda will our out of the tube into the vinegar and carbon dioxide will begin to form.
7. Turn Rocket Car over
Turn Rocket Car over and shake it while holding the stopper. Then let it go.