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This time I would like to present a simple way to make a water rocket. I hope that my step by step instructions will make it very easy and enjoyable.
- 3 plastic 2L bottles- cardboard- scotch tape- duct tape- one tennis ball- fishing line- one big trash bag
Draw 4 right triangles on the cardboard (3.5 in x 5 in x 6.5 in each) and cut them.
Put the bottle upside down.In order to avoid any confusions, I will call it the main bottle. Attach each wing 3 inches from the cap, using duct tape....
In this step you will cut another bottle to get a plastic tube. Cut off bottleneck and the bottom. In this way you are left with a cylindric tube, whi...
Tightly connect the plastic tube with the main bottle, using scotch tape. Try to connect them perfectly straight. It will help to keep the balance of ...
Cut off the bottleneck from your last plastic bottle. Overlap the rocket with that final extension, placing it in exactly opposite way to the main bo...
From a trash bag cut the octagon figure. (The bigger parachute you make, the longer time it stays in the air!!! ) Stick duct tape on each corner (both...
Cut 8 strings from a fishing line. All of them have to be the same lenght. ( around 2/3 of the octagon's diameter). Attach the strings to a tennis bal...
Connect each string to the hole. Tight them firmly. Again, make sure that all string are the same lenght.
Carefuly fold the parachute and place it into the "basket" from the final extension part. Do not squeeze it to hard, because it won't come out in the ...
I hope you enjoyed working on this project. I wish you good luck with the launch and an enormously high score!
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