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The ion-powered plane really works. Will it have a future?

Ion propulsion works: An MIT team successfully flew a plane with no fuel or moving parts. And now?

Gianluca Riccio di Gianluca Riccio
January 5 2021
in Transportation
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If there's one thing science fiction movies and TV series have taught us about the future of air travel, it's that aircraft that burn fossil fuels will eventually be relics of the past. That's probably a good thing, as fossil fuels aren't great for the environment, but what will replace them?

We have already seen electric aircraft that use a battery to spin the propellers, but it's pretty old school, at least compared to what a team of scientists at the Massachusetts Institute of Technology has built. In an article published on Nature , the researchers describe how they conceptualized and then built a small-scale version of an airplane that uses ion propulsion to allow movement… with no moving parts. And I must say that I really like the possibility of seeing ion engines in function of air propulsion.

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What is ion propulsion, and how did they do it at MIT?

How did MIT scientists manage to fly a plane without fuel or propellers? How does the ion thruster work? Forget Star Trek: it's actually quite a simple concept, to the point that I understand it too. Of course, it took some time to understand how to put it into practice.

When air is ionized it receives an electrical charge. Because charged air particles are attracted to whatever the opposite charge, be it positive or negative, it is possible for a system to actually move the air over a wing with nothing but an electric charge and cleverly placed wires carrying a positive or negative charge of, say, 20.000 volts. The electric field that is created causes the air to move rapidly over the wings in the same way it would be if the plane were propelled by jet engines or pulled by propellers. 

The result is ion propulsion: a silent electric propulsion system that should, in theory, be incredibly reliable.

ion propulsion
The resemblance of the first ion-powered aircraft to the first of the Wright brothers is, as it were, poetic.

Why can the ion engine change the rules of the game?

At present the aviation industry he's in big, big trouble. It had been struggling for years with the decrease in the number of air travelers, and today the pandemic has truly brought every airline worldwide to its knees. When a new plane was to be picked up, airlines focused mainly on comfort. The workhorse of companies is a decades-old form of jet that travels back and forth around the world burning a sea of ​​fuel.

I'm not necessarily saying that investing in new technologies like this would magically change things for airlines. But if this really is the future of air travel, an incredibly quiet and efficient engine like the ion-powered one might be something to seriously consider.

tags: planesenginesair travel
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Gianluca Riccio

Gianluca Riccio

Gianluca Riccio, born in 1975, is the creative director of an advertising agency, copywriter and journalist. He is affiliated with Italian Institute for the Future, World Future Society and H +, Network of Italian Transhumanists. Since 2006 he directs Futuroprossimo.it, the Italian resource of Futurology.

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Gianluca Riccio, copywriter and journalist - Born in 1975, he is the creative director of an advertising agency, he is affiliated with the Italian Institute for the Future, World Future Society and H +, Network of Italian Transhumanists.

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