Hot air balloon with simple illustrations-how to make a hot air balloon by hand and fly it?

How to make a hot air balloon by hand? You can fly manually.

Hot air balloon, the materials to be prepared are: hydrogen balloon, cup, toothpick, scissors and ribbon.

1, prepare a hydrogen balloon first.

2. Then drill two holes in the paper cup.

3. Pass both ends of the ribbon through the hole of the paper cup and tie a knot to fix it.

4. Then tie the middle part of the ribbon to the internal hydrogen balloon.

5. Put a toothpick in the paper cup to increase the weight. At this time, the hydrogen balloon is in a state of landing on the table.

6, slowly take out the right amount of toothpicks, the hydrogen balloon will slowly float in the air, and the hand-made hot air balloon will be completed.

Hot air balloons usually use propane or propane as fuel.

LPG

The gas cylinder is fixed in the hanging basket, and a hot air balloon can carry 80 kilograms of liquid fuel.

How to make a flying hot air balloon by hand Step 1: Prepare an egg.

tweezers

, little awl. Step 2: Knock a small hole at the top of the egg with an awl, about the thickness of the index finger. Step 3: Put the eggshell with holes into a bowl, fill it with water, and heat it in a microwave oven for 90 seconds. Step 4: Take out the eggshell with the hole, put your index finger into it, and gently tap the outside with tweezers while turning the eggshell to make it crack. Step 5: soak the cracked eggshell in white vinegar for 6 minutes to make it soft (

calcium carbonate

) Adhesion between eggshell and eggshell inner membrane (protein). Dry and peel off the eggshells bit by bit. Step 6: After peeling the eggshell, only the oval inner membrane is left. So, an "egg"

hot-air balloon

"This has been basically completed.

Note: the inner membrane of the egg should be complete, leaving a small amount at the nozzle.

chorion

In this way, the center of gravity of the "balloon" moves down appropriately, which can increase the stability of balloon lift-off. Step 7: Make a "flying launch pad" with mineral water bottles, and put the egg hot ball above the launch pad. Step 8: Put the candle (or moxa stick moxibustion, which is sold in Taobao) under the launcher, light it and heat it. The hot air will make the egg hot air balloon slowly lift off. Hot air balloon is a kind of balloon that uses hot air as floating gas. There is a big opening and a hanging basket at the bottom of the balloon for heating cold air. After liftoff, control the fuel injection quantity of the blowtorch to control the balloon to rise or fall. Hot air balloons first appeared, and now flying in hot air balloons has become a favorite air sports.

In addition, hot air balloons are often used for aerial photography and air travel.

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