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Water-powered planes: can Valery put the “wow” back into flying?

  • 17.02.21

Flying is amazing. But planes burn oil and pollute the planet. Yuck! No wonder passionate pilot Valery Miftakhov has got fellow fans of air travel excited since he took to the air in a plane that’s basically powered by clean water…

Valery made the first ever flight in a new kind of electric plane in September. Now, he’s just got lots of money from some of the world’s richest businesspeople – and from the British government. They hope Valery can make clean planes to carry passengers around Britain in just a couple of years – oil-free.

Watch Valery make the first ever flight by a passenger plane powered by hydrogen electric fuels.

Oil’s something Valery knows about. When he was growing up in Russia his father worked to pump oil out of the earth to make fuel. Valery – “Val” to his friends - was always fascinated by flying. And after he went to work in America, he learned to fly planes for fun.

Free as a bird

Since cave dwellers first watched birds swoop across the sky, humans have dreamed of being able to fly. Only recently has it become possible for many of us to travel the world in hours, to see family and friends in far-off countries. Truly amazing. For Valery, being in the air became his passion. He flew whenever he could.

Flying gives us experiences today that people could long only dream of.

But, as the years went by, he also realised that the oil that his father helped produce, and all the flying he loved to do, was damaging planet Earth. When we burn oil to power engines, it puts carbon dioxide (CO2) into the air. This is one of the “greenhouse gases” that causes global warming and upsets Nature’s balance.

Air travel contributes 2.5% of man-made CO2 emissions and that number could grow fast if we don’t act now to change it.

Batteries better than burning oil

To help the planet, Valery started a company to help people run cars on electric batteries instead of petrol. But it didn’t seem possible to do the same for the planes that Valery loved to fly, or for the big airliners that carry people round the world.

Why? Because batteries are heavy. So heavy that a plane with electric batteries can barely get off the ground – and certainly can’t carry many passengers.

Electric batteries can make cars cleaner, but are too heavy to be used on planes.

Swedes keep their feet on ground

But three years ago, Valery realised that many people – and many children – did not want to sit back and accept that planes just go on burning oil and adding to global warming. Schoolchildren in Sweden asked people to help the planet by stopping travelling by air. People listened. Air travel in Sweden fell by 9 percent in a year!

Schoolchildren in Sweden protesting against damage to the environment.
Credit : Frederick Hornung / Shutterstock

Valery saw that, unless we make planes that damage the environment less, we’ll have to stop doing so much flying. And, of course, Valery loves flying... He thought about the problem, and he saw a solution - a way to take the carbon out of flying, and put the wow back in, letting us travel far and fast without harming the planet.

An answer in the water

How? The answer is hydrogen. Do you know what that is? Well, hydrogen is everywhere in the world. Add it to oxygen and do you know what it makes? Water!

The chemical formula for water is H20 - H is for hydrogen and O for oxygen.

To make Valery’s clean planes, he needs to get hydrogen. How? Well, you can’t find hydrogen just sitting around on its own. You pull it out of water with electricity. Valery uses electricity from sunshine or wind, so his hydrogen is planet friendly.

You can use electricity to pull hydrogen and oxygen out of water.

This hydrogen is then put into tanks on the wings of a plane, just like we do today with oil, or gasoline. When the hydrogen goes into a motor, it mixes with oxygen in the air to make water again – and gives off lots of energy to drive the plane. But no CO2!

From sun and wind, through water to hydrogen to air, and back to water: how Valery’s planes work. Credit: Zeroavia

Britain’s backing Val…

Last September, Valery flew a 6-seater plane using a hydrogen electric motor from his company, ZeroAvia – a world first for a plane that could carry passengers.

Now the British government is giving Valery millions to make bigger hydrogen engines in England that will be powerful enough to carry lots of passengers on trips across the country. By 2023, they hope to power planes with up to 20 people on board – and aircraft with up to 100 passengers by about six years from now.

Valery smiles after the first flight of a passenger plane using hydrogen.
Credit: Zeroavia

Gambling on a dream

In 10 to 15 years, Valery reckons, big airliners with hundreds of people aboard could be flying on clean hydrogen – if we can figure out how to make it all work. It could be a big “if”. There are still lots of problems.

But other, bigger, companies are also working on similar ideas, including European planemaker Airbus

Airbus has released plans for 3 new kinds of plane to be powered by clean hydrogen.
Credit: Airbus

And Valery is following his dream – a dream in which, to stop global warming, we don’t have to stop flying, just look to water, not oil, to carry us through the sky.

Problem?

Aeroplanes can give us lots of freedom and fun. But they burn oil and create lots and lots of CO2, adding to global warming. Using clean electricity instead is hard, because electric batteries are very heavy.

Solution!

If you use clean electricity to produce hydrogen from water, you can power a plane with the hydrogen. It emits water, not CO2. First tests have been successful and clean hydrogen planes could carry passengers in a few years.

Adults Info

Details of Valery “Val” Miftakhov’s career and vision are drawn from the website of his company, ZeroAvia, whose engineering base is at Cranfield, north of London, and also from these recent interviews in The Daily Telegraph and the Russian-language business website incrussia.ru.

You can see Val speaking to The Economist in this comprehensive 8-minute video, published last week, on the green future of flying.

Scotland’s Herald newspaper has this detail on how ZeroAvia forms part of a British-government backed plan to trial a network of zero-carbon regional air links from 2023, starting from a test base in the Orkney islands where wind-generated electricity is in abundant supply.

 

Like many new technological solutions that are emerging, hydrogen is not without controversy – not least because some of its biggest boosters are the oil companies, fuel refiners and pipeline networks, who all see in it an easier alternative to slowly going out of business as solid fuel batteries take over the world.

 

Extracting hydrogen today is generally a very polluting process that burns natural gas and gives off CO2. This “grey hydrogen” is really no solution at all. And it is not yet very practical to extract hydrogen using solar, wind or other renewable electricity sources. However, “green hydrogen” is a real possibility as industry and economies adapt. And in the air is one area where it has a clear advantage due to being much lighter than batteries – at least as things stand today.

The WOW! reporters

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Fanny Laemmel

Fanny

Alastair editor of WoW!

Alastair

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