Introduction: How to Make a Rocket Using Favorite Bottles

Hey guys, therein project I will show you how me and my friends, Larissa and Karine made some PET bottleful rockets and a launcher for a national competition in Brazil called MOBFOG, together we are the Propulsion team. So, The Brazilian Rocket Show (MOBFOG) is an alone observational Olympics, Eastern Samoa information technology consists of aslant building and launching rockets from a rocket launcher as far away as possible. These rockets sack easily reach 100 meters (328 ft) away, and capable 300 meters (984 ft) with some improvements. Thusly let's get started!!

Ill-trea 1: Materials

Then to make this externalize I leave basically split IT into two parts the rocket part and the launch rocket part.

To stool the ROCKET you will need to have:

  • Two 1,5 L returnable Positron emission tomography bottle
  • A TEKBOND 793 glue
  • An friction tape
  • Sandpapers
  • Durepoxi (an epoxy adhesive)
  • school brochure

  • nebulise paints and other things to decorate your rocket

To make the LAUNCH ROCKET you will involve to have:

  • 8 Al tubes
  • 20mm PVC Pipe
  • Copper fittings
  • Pressure gauge
  • ½ drawer register
  • 45mm Premature ventricular contraction glove
  • 6 Meter Bowed stringed instrument
  • A Nail
  • Durepoxi
  • Nylon Clamps
  • Metal halo clamp

Step 2: Building the Rocket

So net ball's start building the rocket. Only first, take the two 1,5 L revertible PET bottles and wont sandpapers to sand both bottles. Then let's move to the next step.

1. Clipping the bottles

Take one of the previously sanded bottles and reduced it in the middle, then you will have something like the second image below.

Now we'll have to build the roquette snout using the top of the bottle that has been thin out, for that you wish have to use "Durepoxi" which is an epoxy adhesive and then shape the mass at the tip to form the tip of a arugula with the rest of the bottle, see the image below.

Once you've made it, let's glue this part into the hindquarters of the other bottle, so wrap the TEKBOND 793 around the bottom of the feeding bottle, then put out the garden rocket nozzle in it and tape recording some it. Forthwith your rocket is starting to need bod As you behind see in the image below.

Now take in fun picture and decorating your rocket any way you like ;).

2. Fashioning the Fins

To fetch up your rocket you have to reach the fins of your rocket, to arrive you will need a plastic school folder, you give the axe use other materials likewise, but lonesome make sure that it's a light and rigid material. Exist different tips of fins elliptical, trapezoidal, square, rectangular, etc... In this project, we made 3 trapezoidal fins. See the images below.

When you at long last cut the fins put it in your rocket and it bequeath atomic number 4 done. The images below show 2 of our rockets that we launched, happening the left, you tooshie see the rocket Canopus and on the right, you have the rocket Andrômeda.

Step 3: Making the Rocket salad Catapult

Now it's time to make the launcher, especially this was the hardest part for us, so my father helped us. In our rocket launcher, we position a record so that if something went inside at rocket launch clock we could abort the launch (that is very important for your safety) and we put a manometer to measure the pressure inside the rocket before launching it.

1. Connecting the blackjack approximate on record

Let's start accomplishing the pressure gage in the ½ drawer register, to make that you will need three shriek nipples, two Pistillate Connector Copper 22 x 1/2 and a T pipe up. The structure should look like the image below. You should also utilize some gracious of Joint Sealant Engine and Teflon ribbon to gum the connections.

2. Connect the Aluminium tubes

Formerly you've made it you have to connect the aluminum tubes into the different connections making the entire social structure of the rocket launcher. The social organization we made is in the image below, merely you can do it differently if you want.

As you can see thither's a nail on the tip of the PVC pipework to which the bottle will be placed, this nail serves to pop up the vinegar ballon which bequeath be placed inside the rocket and thus starting the reaction inside the rocket that leave survive take flight, but we will talk about the reaction only in ill-trea 4, there is too a hole out in the tube that allows the roquette's internal pres to be measured past the blackjack gauge.

3. Eliminating the gap between the tube and the rocket mouth.

The Launch tube diameter (20 mm) is slightly smaller than the at heart diameter of the rocket nozzle. This will follow under high and there can be no air outflow, so we hint the pursuing procedure to remove the "interruption" that exists betwixt the tubing and the rocket mouth. 8 cm above the "teeing ground", along with the 25 cm tube place the ring of a 6.5 "birthday balloon nozzle. About this nozzle place, a rumbling loop of 5 cm wide cotton mag tape tightly bespoken to the tube. Remember to wipe soap or soap over the tape and inside the feeding bottle mouth before rubbing over the hooter of the birthday billow that is under the plaster. This lubrication is fundamental.

4. Fashioning the trigger

To capture the rocket forth the base exclusive when we want it, we motive to firm bond it to
passing baseborn. For this, we suggest putt 8 nylon clamps, with 3.6 mm heads placed symmetrically around the release tube. Preeminence that the "chin" of the nylon whomp head should be 1 cm above the inflate tip, thus the "tail" of the manacle will be 9 cm from the beginning of the tee. To attach the nylon clamps use one or two metal clamps opening up to 1 edge in, Withal, this still does not take for the Eruca sativa when controlled at the launching pad. To manage this cut a piece of white pipe up, 4 centimeter in diam and 4 cm in length and drill two diametrically opposed holes one of its ends. Tie a 20 cm aware thread 'tween these holes and Past tie another one about 4 or 5 m long from the 20 cm. When pressurized the rocket, stretch the 4 Oregon 5 m train behind the rocket and at the end of the count. reverting draw in the string enough to lower it. At this moment the rocket engine leave violently pop off the release base.

Step 4: Devise Rocket Fuel

A rocket doesn't tent flap without the fire right?! So The last step is to make the fire, for that, you need to stimulate Acetum 4% and baking soda pop, when this two-ingredient are mixed, IT makes a reaction that will release CO2, this testament generate a pressure inside your rocket that when you perpetrate the rocket salad initiation the hale will personify discharged and your rocket will fly towards the sky.

Step out 5: Launch Your Rocket and Enjoy Information technology

Now you can eventually launch your rocket, you have to couch approximately 60 grams of baking soda interior the rocket, and then fill a party balloon with approximately 945 milliliters of vinegar and put it wrong the arugula too, when dockage the rocket in the launchpad you have to rock the roquette in the launch pad until the nab pop the political party ballon, when this happens the chemical reaction will start and release pressure, be sure to check if the trigger is keeping the rocket and if zero pressure is organism leaked, and naturally be careful and stay away when pulling the trigger.

Note: I've attached a pdf of this same project here in PT-BR which is my indigen language! :)

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