What is the principle of drawing a gun?

Abstract: Fireworks are a kind of firecrackers, which are usually used in festivals and celebrations. There is a firecracker in the middle of the gun. When two people pull the two ends of the gun, the gun will make a noise and spit out colored pieces of paper. There will be proverbs, jokes, toys or practical items in the cannon used for family play, and you can get the contents after pulling it open. Handmade guns are not complicated. You need cans, boards, rubber ropes, colored paper, rulers and other tools. Let me introduce some DIY hand-painted guns to you. Let's have a look! What is the principle of drawing a gun?

The gun is a paper tube made of cardboard, wrapped in brightly colored paper and screwed at both ends. There will be firecrackers in the gun. When two people pull the ends of the gun, two pieces of impregnated paper in the gun will rub and make a bang.

Play with guns

Usually there are 6 or 12 firecrackers in each box, and there is a proverb or joke in each firecrackers, followed by a small toy (jumping frog, lucky fish, etc. ) or practical items (such as bottle openers, paper clips, etc. ). Usually two people play together. Everyone grabs one end of the firecrackers separately. When the firecrackers are opened, whoever gets the longer end can get the firecrackers inside.

How to make hand-painted guns by DIY

Materials: jar, wooden board, wooden stick, ice cream stick, white glue, electric drill, chainsaw, pencil, ruler, spring, thin copper wire, rubber band, drawstring, punching clip, colored paper and triangular ruler.

1, according to the diameter of cans, first saw a round board as the base, designed four cuboids on it with a ruler and pen, and then drilled out with a chainsaw.

2. Cut the ice cream stick in half, stick it with glue, then drill a hole and apply glue as the pillar of the pistol.

3. Insert the column into the circular bottom plate just made, and other columns are also glued to the base.

4. When the buckles of the two sharp bodies of the wooden table are pulled off, the iron wire will pass through and get stuck on the post.

5. Put two strings on the small hole as the trigger device of the pistol, and insert a hollow PVC tube in the middle.

6. Drill two small holes in the middle of PVC pipe, and fix the spring in the small holes with thin iron wire or copper wire after insertion.

7. Stick the PVC pipe tightly on another circular plate as big as the base, put the spring in and hang the copper wire.

8. Connect together along the middle of the prototype wooden column, and erect the two buckles with rubber bands. After installation, just pull the rope at the back and it will pop up.

9. You can also use discarded cans as an outer package, and drill holes in the bottom of cans after sawing the cover.

10, put the wooden pistol into the can, and pull out the trigger rope through the small hole at the bottom of the can.

1 1. Break the colored paper into confetti with a punching clip, press the fireworks to the lowest position, and pour in the confetti.

12, when you need to start, you hold a can in your hand, and when you pull the rope, the paper is punched out.