What happens if a hot air balloon runs out of hot air? - ProProfs Discuss
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What happens if a hot air balloon runs out of hot air?

What happens if a hot air balloon runs out of hot air?

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Asked by I.Helen, Last updated: Apr 06, 2024

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5 Answers

Todd Gurley

Todd Gurley

Todd Gurley
Todd Gurley

Answered Feb 12, 2021

Hot air balloons are aircraft that have a bag, which is known as an envelope. This envelope has heated air in it. Underneath the balloon is a wicker basket. This basket has people in it, and it has heat in it. This heat is normally a flame, which is started through liquid propane burning.

The hot air balloon is able to fly on hot air. Therefore, if there is no hot air in the balloon, then the balloon will no longer be able to fly. Instead, it would float down to the ground. If this happens, the pilot will need to control the landing.

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A. Samuel

A. Samuel

Writing quality content for contentment has been my passion since i was 21. I've been pursuing it as a Content Manager and Producer.

A. Samuel
A. Samuel, Content Manager, Masters in Marketing and accounting, Florida

Answered Feb 04, 2021

The only time when the hot air balloon will start to run out of hot air is if it would lose fuel. When this happens, the hot air that the hot air balloon needs so that it will rise up will start to cool down. When the air cools down, it will become denser, which also means that the hot air balloon will start to go down.

This is the crucial part because the hot air balloon should land in a safe area wherein it will not get tangled with power lines or will not cause any destruction when it starts to go down. The only good thing about this is that most hot air balloons will go down gently unless they are subjected to violent winds.

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J. Pollock

J. Pollock

J. Pollock
J. Pollock, Science Professor, Los Angeles

Answered Feb 01, 2021


A hot air balloon is something that many people long to do. Depending on where you live, you may be able to schedule a day to ride in one or you may find them at festivals or events. As the name suggests, air is an integral part of the hot air balloon.

The balloon is able to stay in the air because the air is heated. The air molecules expand and are lighter than the air found on the outside of the balloon. If the balloon happens to run out of air, then the balloon will fall the ground and no longer be able to fly in the air.

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S. Leo

S. Leo

I write blogs for my website. I an Ex employee for a Texas based MNC.

S. Leo
S. Leo, Content Blogger, Journalism and Content Marketing, Mexico

Answered Jan 20, 2021

A lot of people dream about riding a hot air balloon someday but they are not sure how they are going to do it. Hot air balloons would require the use of fuel so that it will continuously be exposed to hot air. What will happen is this, the air inside the balloon will start to cool down but there is no need to worry because it will not drop suddenly.

What will happen is that the air inside the balloon will start to become colder little by little until such time when the balloon will start to lose its buoyancy and it will start to go downwards. Those who operate hot air balloons will normally have an idea of how long the fuel that is needed by the hot air balloon will last. This way, they can get a clear idea about when they should start to gradually lessen the amount of hot air.

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M. Wright

M. Wright

M. Wright
M. Wright

Answered May 17, 2018

If a hot air balloon runs out of hot air, the balloon will no longer be able to stay in the air and it will fall to the ground. The hot air keeps the balloon afloat because air is a gas and when it is heated, the molecules in the air expand and become less dense or lighter than the air outside the balloon. A person piloting a hot air balloon can control the landing by letting the air inside the balloon cool down.

Obviously, it’s much better to control the landing than it is to have to have an emergency landing due to running out of hot air.

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