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  • here we will make a interesting rocket which will work on the principal of water !!!!
  • IT IS VERY SIMPLE AND VERY ENJOYABLE.

Step 1: 1- MATERIAL REQUIRED

- 3 plastic 2 L bottles

- cardboard

- scotch tape

- duct tape

- one tennis ball

- fishing line

- one big trash bag

Step 2: 2- PREPARING THE ROCKET WING !!

Draw 4 right triangleson the cardboard (3.5 in x 5 in x 6.5 in each) and cut them.

Step 3: 3- Attaching Wings to the Main Bottle.

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. You can also stick the tape on the surface of triangles to make them more stable. Make sure you placed the wings with the same distance from each other. It will help the rocket go straight up.

Step 4: 4- Preparing the First Part of Rocket's Extension.

In this step you willcut another bottle to get a plastic tube. Cut off bottleneck and the bottom. In this way you are left with a cylindric tube, which you are going to use as your extension.

Step 5: 5- Attaching First Extension to the Main Bottle

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 your future rocket.

Step 6: 6- Preparing the Final Part of Rocket's Extension

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 bottle. To make sure it won't get disconnected during the flight, use a duct tape. Because the top edge is sharp, I taped it to prevent my future parachute from cutting.

Step 7: 7- Preparing the Upper Part of the Parachute

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 sides) ,then use a puncher to make wholes (.5 inch from the edge). It will prevent used trash bag from ripping apart.
<p>Awesome, this looks like a really fun rocket!</p>

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