Make rocket launches with your own hands. Model of the Proton-M rocket

The restless boys had long gatherings for creative activities prefer noisy outdoor games. But on a rainy cloudy day or a winter evening there is still one the right way captivate them for a long time by offering to make a cardboard rocket. After all, a toy made with one’s own hands is always more appreciated by a child, especially if it is. Besides, exciting activity will help develop not only fine motor skills and imagination, but will also teach you how to finish the job you started, following clear instructions. To make classes more exciting, you can tell your child about space and astronauts. In addition, a story about what an astronaut can see in space during a flight will also be useful.

How to make a rocket with a preschooler?

It's very easy to make a rocket from a tube that is left over from used cling film. To make this craft we will need colored paper, scissors and glue.

How to make a rocket out of cardboard using the origami technique?

From thin double-sided cardboard you can make a very simple, but at the same time original craft with a child 3-4 years old.

How to make a rocket from corrugated cardboard?

Crafts made from corrugated cardboard always look more interesting and unusual. Invite your little one to make a nursery volumetric craft rocket to go to the moon. Undoubtedly, the baby will be happy to join the game and surprise you with his diligence.

You can play with cardboard rockets for a long time: They do not deform or break. Even if a child gets tired of a craft in the form of a cardboard rocket after a couple of weeks, it can take pride of place on a shelf or desk.

Haven't you ever wanted to become an astronaut and fly into space on board a rocket? To become an astronaut, you need to spend many years of training and education. In the meantime, you can make and launch your own in the yard homemade rocket, which, thanks to our instructions, you can make with your own hands.

To make a homemade rocket you will need:

A4 sheet of paper

From 35mm film (with a lid that fits inside the opening of the can, not over its circumference)

Adhesive tape

Scissors

Water

Effervescent tablet of an antacid (a neutralizing agent used to calm an upset stomach)

Eye protection: sunglasses or safety glasses

How to build a homemade rocket?

1. Make an enlarged copy of the rocket so that it fits on a sheet of A4 paper. Cut out the template details.

2. Remove the lid from the film can. Using adhesive tape, glue the large one cut from the template to the jar. Make sure that the opening end of the can is directly against the edge of the paper.

3. Now twist the paper around the jar to make a cylinder and glue it together duct tape. The jar should be at the bottom of the cylinder.

4. Take the nose cone piece. Using duct tape, glue the ends together to create a cone shape. Glue the cone to the top of the paper cylinder.

5. Take the stabilizer templates and fold along the dotted lines. Glue it to the rocket body. Your rocket is now ready to launch!

6. Take your homemade rocket outside and wear glasses to protect your eyes.

7. Turn the homemade rocket upside down and fill the jar halfway with water.

8. Drop half an antacid tablet into the container and quickly close the lid.

9. Set up your homemade rocket on a launch platform, such as a concrete driveway or paved area. Step back and wait. In a few seconds yours will take off!

How a homemade rocket takes off and works

When the tablet is placed in a jar of water, it begins to dissolve and fizz. The hissing produces more gas inside the jar, but when the lid is closed, it cannot escape. Eventually something has to happen! That's why the lid shoots off the jar. and gas rush outward and downward, pushing the can along with the rocket attached to it upward.

Real rockets work on the same principle. Instead of water and an antacid tablet, the rocket's fuel tank contains a mixture various types fuel, which causes an explosion. An explosion erupts from below the fuel tank, forcing the rocket upward.

The first rocket to launch anything into space was the R-7 launch vehicle. With its help, on October 4, 1957, the USSR launched Sputnik 1, the first artificial Earth satellite (AES).

Instructions

Make a fuel mixture by mixing saltpeter, coal and sulfur in the required proportions. Make a mixture for the wick by mixing saltpeter and sulfur at the rate of 9 parts saltpeter to 1 part sulfur.

Drill the metal part of the sleeve from the side where the capsule is attached. Remove the capsule fastening elements.

Drive a nail into the board. The nail should protrude 2 cm above the board. Carefully grind off the protruding end of the nail, giving it smooth conical contours. Slightly blunt the sharp end.

Carefully remove any metal filings. Place the metal part of the sleeve on the nail and pour well-mixed fuel into it to ¾ of the height.

Using a wooden round stick, compress the fuel into the cartridge case by lightly hitting it with a mallet.

Remove the tube from the stick. Delete layer newsprint, it won't be needed anymore.

Use soft wood to make a rocket fairing. It is a plug 6-7 cm long, the upper end of which tapers into a cone and ends in a curve, and the lower end, 1-1.5 cm long, is tightly inserted into the upper part of the paper tube. You have half-strengthened the rocket body and fairing.

Make stabilizers from whatman paper. There must be at least three of them. They are triangles and must have petals to connect to. Attach the stabilizers to the rocket body with glue. At the end of the fairing, which is inserted into the rocket body, fasten a metal ring or bracket with an internal diameter of 0.5 cm, made of steel wire. Close the ring. It is used to attach the parachute.

Insert the cartridge case into the bottom of the rocket. It should fit tightly and be pulled back with a demand. If the engine does not hold well, glue an additional paper ring 3 cm wide from inside the housing. Dry the housing completely. Paint it with waterproof paint bright color.

Make a parachute. The canopy diameter is 15-20 cm. For this model, use a ribbon parachute. Attach one end of the tape to a wooden stick. Attach a loop of thread 10 cm long to the ends of the stick. Tie a piece of aviation rubber 10 cm long to one end of the loop. Tie the end of the rubber thread around a wire ring placed on the fairing. Additionally, secure it with regular thread. Tie another thread 10 cm long to the fairing ring. Also tie a piece of aviation rubber to it, and another 5 cm of regular thread to it. Secure this thread to the inside of the rocket body three centimeters from the upper end of the body tube. You can pass it through the entire body by making a hole in it and pasting it with a paper ring for strength.

Pack the parachute. To do this, wind the tape into a roll, starting from the free side. Press the roll from the outside with the stick to which the parachute is attached. Carefully push the resulting roll into the rocket body. Place the tape and thread fastening to the fairing on top. Cover the structure with a fairing.

Make a starter device. Cut a piece of iron wire 120 cm long. From whatman paper on the wire, glue 2 cylinders 1 cm long and with a diameter slightly larger than the diameter of the wire. The rings should slide freely along the wire. Secure the resulting rings to one longitudinal line on the rocket body with strong glue. Secure one ring at the junction of the body with the stabilizer, the other - in the upper part, approximately 1 cm from the fairing. The rocket should slide freely along the wire. At a distance of 50 cm from one end of the wire, wrap a restrictive ring of any wire around it. The rocket should not descend further than this ring. This side of the wire should stick into the ground.

Make a fuse. You can take a ready-made fuse from a firecracker or firecracker, but the length may not be sufficient. Make a stopin. Take a cotton thread and fold it 6 times. You should get a piece 8 cm long. Cook the paste. Moisten the thread with starch paste. Dip it along its entire length in a composition similar to the composition of the fuel, but without coal. A layer of this composition should stick to the thread. Dry the resulting cord.

Before launch, insert the engine into the rocket. Before inserting it, insert a wad into the rocket body. The wad can be a piece of foam plastic. Bend the cord at one end and insert this end into the nozzle. The rocket is ready

Rocket modeling is an activity that captivates not only children, but also adults and accomplished people, as can be understood by the composition of teams of athletes at the World Rocket Modeling Championship, which will be held in Lvov on August 23-28. Even NASA employees will come to compete. With rockets assembled yourself. In order to make the simplest working model of a rocket with your own hands, special knowledge and skills are not needed - there are a large number on the Internet detailed instructions. Using them, you can make your own rocket, either from paper or from parts purchased at a hardware store. In this article we will take a closer look at what kind of rockets there are, what they are made of and how to make a rocket with your own hands. So, in anticipation of the Championship, you can get your own model and even take it into flight. Who knows, maybe by August you will decide to take part in the extra-class payload rocket launching competition “Save the Space Eggs” (held as part of the Championship) and compete for a prize fund of 4,000 euros.

What does a rocket consist of?

Any rocket model, regardless of class, necessarily consists of the following parts:

Frame. The remaining elements are attached to it, and the engine and rescue system are installed inside.
Stabilizers. They are attached to the bottom of the rocket body and give it stability in flight.
Rescue system. Necessary to slow down the free fall of the rocket. It can be in the form of a parachute or a brake band.
Head fairing. This is the cone-shaped head part of the rocket, which gives it an aerodynamic shape.
Guide rings. They are attached to the body on one axis and are needed to secure the missile to the launcher.
Engine. Responsible for the takeoff of a rocket and is even in the most simple models. They are divided into groups according to the total thrust impulse. You can buy a model engine at a craft store or assemble it yourself. But in this article we will focus on the fact that you already have a ready-made engine.

It is not part of the rocket, but the launcher is a must-have item. It can be purchased at finished form or assemble it yourself from a metal rod on which the rocket is attached and a trigger mechanism. But we will also focus on what launcher you have.

Classes of missiles and their differences

In this section we will look at the classes of rockets that you can see with your own eyes at the World Championship in Rocket Modeling in Lviv. There are nine of them, eight of them are approved by the Fédération Aéronautique Internationale as official for the World Championship, and one - S2/P - is open not only to athletes, but to everyone who wants to compete.

Rockets for competitions or just for yourself can be made from different materials. Paper, plastic, wood, foam, metal. A mandatory requirement is that the materials are not explosive. Those who are seriously involved in rocket modeling use specific materials that have the best characteristics for rocket purposes, but at the same time can be quite expensive or exotic.

An S1 class rocket must demonstrate in competition best height flight. These are one of the simplest and smallest rockets that take part in competitions. S1, like other missiles, are divided into several subclasses, which are designated by letters. The closer to the beginning of the alphabet, the lower the total thrust impulse of the engine, which is used to launch the rocket.

S2 class rockets are designed to carry a payload, according to FAI requirements, a "payload" can be something compact and fragile, with a diameter of 45 millimeters and a weight of 65 grams. For example, a raw chicken egg. A rocket can have one or more parachutes, with the help of which the payload and the rocket will return to the ground safe and sound. S2 class rockets cannot have more than one stage and they must not lose a single part during flight. The athlete needs to launch the model to a height of 300 meters and land it in 60 seconds. But if the cargo is damaged, the result will not be counted at all. So it's important to strike a balance. The weight of the model with the engine should not exceed 1500 grams, and the weight of the fuel components in the engine should not exceed 200 grams.

S3 rockets may look exactly like S1 rockets to the uninitiated, but their competition goals are different. S3 are rockets for the duration of descent using a parachute. The specificity of the competition in this class is that the athlete needs to carry out three rocket launches, using only two rocket models. Accordingly, at least one of the models still needs to be found after launch, and they often land several kilometers from the launch zone.

For models of this class, parachute diameters usually reach a diameter of 90-100 centimeters. Common materials are fiberglass, balsa wood, cardboard, the nose is made of lightweight plastic. The fins are made of lightweight balsa wood and can be covered with fabric or fiberglass.

The S4 class is represented by gliders that must remain in flight for as long as possible. These are “winged” devices, whose appearance quite seriously different from what can be expected from a rocket. They rise into the sky using an engine. But it is forbidden to use anything in gliders that will give them acceleration or in any way affect soaring; the device must stay in the sky solely due to its aerodynamic characteristics. The materials for such rockets are usually balsa wood, the wings are made of fiberglass or foam, and balsa wood too, that is, everything that weighs almost nothing.

The S5 class of rockets are copy rockets, their flight goal is altitude. The competition takes into account not only the quality of the flight, but also how accurately the participant was able to replicate the body of a real rocket. These are basically two-stage models with a massive launch vehicle and a very narrow nose. They usually go towards the sky very quickly.

S6 class rockets are very similar to S3 class rockets, but they eject a drag band (streamer) during flight. In fact, it serves as a rescue system. Since rockets of this class must also stay in the air for as long as possible, the competition participant’s task is to create the lightest and at the same time strong body. Models are made from parchment or fiberglass. The bow is made of vacuum plastic, fiberglass, paper, and the stabilizers are made of lightweight balsa wood, which is coated with fiberglass for durability. Belts for such missiles are usually made of aluminized lava. The tape should flap intensively in the wind, resisting falling. Its dimensions usually range from 10x100 centimeters to 13x230 centimeters.

S7 class models require very painstaking work. Like the S5, these models are multi-stage copies of real rockets, but unlike the S5, they are evaluated in flight by how plausibly they replicate the launch and flight of a real rocket. Even the colors of the rocket must match the “original”. That is, this is the most spectacular and complex class, don't miss him at the World Model Rocket Championship! Both juniors and adults will compete in this class on August 28th. The most popular rocket prototypes are Saturn, Ariane, Zenit 3, and Soyuz. Copies of other rockets also take part in competitions, but as practice shows, they usually demonstrate worse results.

S8 are radio-controlled cruise missiles. This is one of the most diverse classes; the designs and types of materials used differ significantly. The rocket must take off and make a gliding flight within a certain time. Then it needs to be planted in the center of a circle with a diameter of 20 meters. The closer to the center the rocket lands, the more bonus points the participant will receive.

The S9 class are rotorcraft and they also compete against each other in terms of time spent in flight. These are lightweight models made of fiberglass, vacuum plastic and balsa wood. Without an engine they often weigh about 15 grams. The most intricate part of this class of rockets are the blades, which are usually made of balsa and must have the correct aerodynamic shape. These rockets do not have an escape system; this effect is achieved due to the autorotation of the blades.

At competitions, rockets of this class, as well as classes S3, S6 and S9, must have a diameter of at least 40 millimeters and a height of at least 500. The higher the subclass of the rocket, the larger its dimensions must be. In the case of the most compact S1 rockets, the body diameter should not be less than 18 millimeters, and the length should not be less than 75% of the length of the rocket. These are the most compact models. In general, each class has its own restrictions. They are set out in the FAI (Fédération Aéronautique Internationale) code. And before flight, each model is checked to ensure it meets the requirements of its class.

Of all the rockets taking part in the current Championship, only the models of the S4, S8 and S9 classes are required to ensure that none of their parts separate during flight, even on the recovery system. For others this is acceptable.

How to make a simple and functional rocket model from scrap materials

The easiest rockets to make at home are the S1 class, and the S6 class is also considered relatively simple. But in this section we will still talk about the first. If you have children, you can make a model rocket together or let them make it themselves.

To make the model you will need:

two sheets of A4 paper (it is better to choose a multi-colored one so that the rocket looks brighter, the thickness of the paper is approximately 0.16-0.18 millimeters);
glue;
polystyrene foam (instead, you can use thick cardboard from which boxes are made);
a piece of thin polyethylene, at least 60 cm in diameter;
ordinary sewing threads;
stationery eraser (as for money);
a rolling pin or other object of a similar shape, the main thing is that it has a smooth surface and a diameter of about 13-14 centimeters;
a pencil, pen or other object of a similar shape with a diameter of 1 centimeter and another with a diameter of 0.8 centimeters;
ruler;
compass;
engine and launcher if you plan to use the rocket for its intended purpose.

In the drawings, of which there are a lot on the Internet, you can find rockets with different ratios of the length and width of the body, the “sharpness” of the head fairing and the sizes of the stabilizers. The text below shows the dimensions of the parts, but if you want, you can use other proportions, as in one of the drawings in the gallery below. The procedure still remains the same. Look at these drawings (especially the last one) if you decide to assemble the model according to the instructions.

Frame

Take one of the stored sheets of paper, use a ruler to measure 14 centimeters from the edge (if your volume is not as large as ours, just add another couple of millimeters to your figure, they will be needed to glue the sheet together). Cut it off.

Roll the resulting piece of paper around a rolling pin (or whatever you have). The paper should fit perfectly to the object. Glue the sheet directly on the rolling pin so that you get a cylinder. Let the glue dry while you begin making the rocket's head fairing and tail section.

The head and tail of the rocket

Take a second sheet of paper and a compass. Measure 14.5 centimeters with a compass and draw a circle from two diagonally located corners.

Take a ruler, place it on the edge of the sheet near the beginning of the circle and measure a point on the circle at a distance of 15 centimeters. Draw a line from the corner to this point and cut out this section. Do the same with the second circle.

Glue cones from both pieces of paper. Trim the top of one of the cones by about 3 centimeters. This will be the tail section.

To glue it to the base, make cuts on the bottom of the cone approximately every centimeter and 0.5 centimeters deep. Bend them outward and apply glue to the inside. Then glue it to the rocket body.

To attach the head fairing, you need to make a “ring”, thanks to which it will be attached to the base. Take a sheet of the same color that you used for the base and cut out a 3x14 centimeter rectangle. Roll it into a cylinder and glue it together. The diameter of the ring should be slightly smaller than the diameter of the base of the rocket so that it fits perfectly into it. Glue the ring to the rocket head the same way you glued the base (just don't cut anything off the cone this time). Insert the ring with the other side into the base of the rocket to check if you got the diameter right.

Let's go back to the tail section. The rocket needs to be stabilized and a compartment for the engine must be made. To do this, you need to again take the paper from which you made the base of the rocket, cut out a 4x10 cm rectangle, find an oblong and round object with a diameter of about 1 cm and wrap a piece of paper around it, having previously smeared glue over the entire area so that you end up with a dense multi-layer cylinder . Make 4 mm cuts on one side of the cylinder, bend them, apply glue to the inside and glue them to the tail section.

The rocket must have stabilizers at the bottom. They can be made from thin sheets of foam or, if you don’t have it, thick cardboard. You need to cut out four rectangles with sides 5x6 centimeters. From these rectangles, cut out the clamps. You can choose any shape at your discretion.

Please note that the head fairing, tail cone and engine compartment must be aligned exactly along the longitudinal axis of the body (should not be tilted away from the body).

Rescue system

In order for a rocket to return smoothly to the ground, it needs an escape system. This model is about a parachute. Ordinary thin polyethylene can act as a parachute. You can take, for example, a 120-liter bag. For our rocket, you need to cut a circle with a diameter of 60 centimeters in it and secure it to the body using slings (length approximately 1 meter). There should be 16 of them. Strong threads are suitable for the role of slings. Attach the lines to the parachute using tape at equal distances from each other.

Fold the parachute in half, then in half again, then squeeze it.

To secure the parachute, take another thread, the length of which should be twice the length of the body. Glue it to the engine compartment between the two stabilizers. Tie an elastic band to the thread in two places, so that if you pull the thread, the elastic band will stretch, and the thread will limit the stretching (recommendations: tie the elastic band to the thread at a distance of 5 centimeters from the top edge of the body).

Before stowing the parachute in the rocket, you need to place a wad. For example, a piece of cotton wool (or soft paper, napkins) can act as a wad. Make a ball out of the material you like and insert the rockets inside. If you have talcum powder, sprinkle it with talcum powder to prevent possible fire from the charge. The wad should not be inserted tightly, but the amount of cotton wool should be sufficient to push out the rescue system.

Insert it inside the rocket, then put the parachute and lines. Carefully use rings so that they don’t get tangled.

A streamer can also act as a rescue system, and if you want to make an S6 class rocket, then you can see how to lay it down and tie it down in these photographs.

Attaching to the launcher and launching

Cut out two rectangles 1.5 x 3 centimeters. Twist them into a cylinder with a diameter of approximately 0.8 centimeters so that the launcher mount fits freely through these cylinders. Glue to the base of the rocket on one axis at a distance of a few centimeters from the top and bottom of the base.

Install the engine into the engine bay. Ready to go!

To start, you need a metal rod with a length of at least a meter and a diameter of 4-5 millimeters. It must be strictly vertical to the ground. Regardless of any conditions, the end of the rod must be at a height of at least 1.5 meters from the ground to avoid injury to the eyes.

Never try to launch a rocket at home! Even such a seemingly innocent device can cause a lot of trouble indoors. The distance from the launch site to the nearest houses must be at least 500 meters.

After igniting the engine, move away from the rocket at least 3-5 meters. Spectators, if any, should be at a distance of 10-15 meters. If you plan to entrust the launch to a child under 16 years old, be sure to be close to him.

P.S.

Despite the fact that making the simplest paper rocket is not at all difficult, rocket modeling is a serious and interesting view a sport that requires a lot of work and a lot of time. And also very spectacular. Against the backdrop of growing interest on the part of private companies in space exploration, popularizing this topic among the population, especially children, is extremely promising. After all, those who have been attracted to space since childhood are more likely to choose it as a field of activity in adulthood. If in Ukraine several decades ago the topic of space had not been so popular among children, then it would be unlikely that now in our country there would be people and companies like those who invest money in such a promising industry as space. An event on the level of the Model Rocketry World Championship could not take place - because there would be no strong teams and no great desire to stir up interest in the industry among future generations. We have already written about how interesting the Championship promises to be. There, by the way, it will be possible to assemble the rocket yourself from ready-made parts. Come to Lviv and see everything with your own eyes. Detailed information information about the event can be found on its

Useful tips

Making a rocket is always interesting, especially with children.

You can compete or just play with a toy rocket and launch it into the air.

There are many different ways, how to make a rocket with your own hands, and we will tell you about some of them.

Option 1

How to make a flying rocket

You will need:

1 sheet of paper

Adhesive tape (electrical tape)

Scissors

Ballpoint pen large tube (for launching a rocket)

Glue gun (can be replaced with PVA glue, but it will take longer to dry)

1. Cut the paper into 2 halves approximately 5 cm wide.

2. Prepare ballpoint pen and take it apart to get a tube.

3. Attach a piece of duct tape to one of the paper halves. Flip this paper over and wrap it around the handle to create a rocket body.

4. Secure the curled paper with duct tape. You can use tape to completely wrap the body and then pull out the handle. You can trim some uneven ends with scissors.

5. Seal one end of the rocket body with duct tape.

6. Prepare 3 pieces of duct tape. They need to be folded so that they form tail fins for the rocket (stabilizers).

7. Take one piece of duct tape and fold it in half, but do not glue it completely. Using scissors, cut the tape at an angle of approximately 45 degrees to obtain a triangular stabilizer shape. You only need to prepare 3 of these things.

8. Attach the stabilizers to the rocket using the parts you didn't glue together. Attach them at equal distances from each other around the base of the rocket.

9. Take the other half of the paper and make a cone out of it, which can then be attached to the body.

10. Cut off the excess portion of the rocket nose and wrap the cone with tape to reinforce it. Pay special attention to the tip of the nose.

11. Fill the cone about 3/4 full with glue. Take the rocket body and insert it into the cone with the sealed part. Hold in this position for a few seconds to allow the parts to set.

To launch a rocket, simply insert a tube (disassembled handle) into its body, hold it with two fingers and blow hard! The rocket will fly even higher if you use a pump.

Option 2

How to make a rocket out of cardboard

A very good rocket can be made if you use a cardboard cylinder from cling film, foil or toilet paper.

Just prepare: a cardboard tube, colored paper and scissors.

1. Prepare colored paper and cut out a quarter circle from it.

2. Glue a cone from the blank. If necessary, trim it to size. Also make several cuts along the edge.

3. It's time to glue the cone to the tube.

4. Decorate the rocket. You can use colored paper, stickers or markers.

5. Your rocket needs wings. They need to be cut and glued. Also, do not forget about the valves for gluing, which must be left in advance.

6. Glue all the wings to the rocket.

Option 3

Origami rocket

This rocket model is very beautiful, and you simply must make it with your children. Everyone will have a lot of fun and everyone will be pleased with the end result.

Assembling such a rocket is not difficult, just do everything as shown in the video tutorial.

The assembly itself should take no more than 15 minutes. You can make it from colored paper.

Origami paper rocket

Another version of the origami rocket.

Option 4

DIY paper rocket

Such a rocket can be made for children. So that they play, dreaming of flying into space.

The most interesting thing is that such a rocket is launched if you blow.

Prepare a disposable deep plate (bowl) as a base.

Prepare a paper cylinder from foil, paper towel or toilet paper and use it to make a rocket as shown in.

Prepare thick paper and make a tube out of it.

Do in disposable plate a hole whose diameter is slightly larger than or equal to the diameter of the tube.

Insert the tube into the hole. You can secure it with tape or tape.

All that remains is to launch the rocket - just put it on the tube and blow hard and the rocket will fly.

You can download the markup of all the necessary parts.

Option 5

Paper craft. Rocket.

To make this easy paper rocket model, you will need colored paper and colored tissue paper.

* The body and stabilizers are made of colored paper, and the parachute for its smooth descent is made of colored tissue paper.

* Prepare a sheet of paper measuring 170x250 mm and make a cone out of it as shown in the image.

1. Preparing the cone

The paper will curl more easily into a cone if you stretch it between the table and the ruler.

Apply glue to the edge of the cone and glue it together.

Prepare a template for the base of the cone. It can be made from cardboard or thick paper. It is worth noting that the template is needed because it is used to trim the rocket body.

Now you need to put the template on the finished cone, draw a line with a pencil along which you will need to cut with scissors to get rid of the excess.

2. We are preparing stabilizers.

Prepare 3 sheets of thick colored paper measuring 8x17 mm.

Each sheet needs to be folded in half lengthwise and placed on each according to a template (N1 and N2) and traced with a simple pencil.

Cut out the stabilizers.

You need to bend the edges of the stabilizers and connect them with glue.

Our rocket has three pairs of stabilizers (large and small). They are there to give the rocket stability during flight.

On the template, mark 3 points that are equidistant from each other (it's like dividing a circle into 3 equal parts).

Using a template and three marks, mark three points on the rear of the rocket and connect these points to the nose of the rocket.

Using the marked lines, begin gluing the stabilizers.

3. To make a parachute canopy, prepare tissue paper. Its size should be 280x280 mm.

Fold the paper several times as shown in the image and cut it. You have a dome.

4. Prepare slings from threads. There should be a total of 8 slings of the same size.

For the desired size, calculate 1.5 times the length of the parachute canopy diameter and add the length of the rocket body to the resulting value.

Now you need to glue the lines to the parachute canopy. Paper patches will help you. After this, fold the parachute canopy so that the lines along with the patches are collected one to the other.