Rocket to water propulsion

Materials:

Two bottles of soft drinks
Duct tape
Cardboard thin and hard.
Table of wood.
4 angles.
2 screws largos/8 short ones.
Half A Hinge Cork of rubber.
Valvula of bicycle.
Bicycle pump.

Construction of the rocket:
steps:
1-cut a bottle for the tip.
2-paste the parts with duct tape, which fits well.
3- Already stuck the tip take another bottle and then hitting the nose on the bottom.
4-Cut another bottle and paste it to the already trimmed.
5-Then cut the fins with a material of choice for the three fins.
6-Paste the rocket fins with electrical tape.

Placement and Launch:
1-You spilt the water in the container a bit less way.
2-Entonces/luego the rocket is put in the initiator, without admitting that the spillage of the water.
3-To pressurize the rocket with the inflator until it cannot be a major quantity.
4-To pull the rope.