First ever plane with no moving parts wows scientists

For the first ever time, MIT scientists have developed the first-ever plane with no moving parts. This radical approach towards flying is in the form of a small, lightweight and virtually noiseless airplane.

A new MIT plane is propelled via ionic wind. Batteries in the fuselage (tan compartment in front of plane) supply voltage to electrodes (blue/white horizontal lines) strung along the length of the plane, generating a wind of ions that propels the plane forward. Credit: Christine Y. He

For the first ever time, MIT scientists have developed the first-ever plane with no moving parts. This radical approach towards flying is in the form of a small, lightweight and virtually noiseless airplane.

Instead of propellers or turbines, the light aircraft is powered by an ionic wind — a silent but mighty flow of ions that are produced aboard the plane, and that generates enough thrust to propel the plane over a sustained, steady flight.

The aircraft, called Version 2 EAD Airframe, or V2, weighs only 5.4 pounds (2.45 kg) with a wingspan of 16-1/2 feet (5 meters). And unlike turbine-powered planes, the aircraft does not depend on fossil fuels to fly.

Steven Barrett, associate professor of aeronautics and astronautics at MIT said, “This is the first-ever sustained flight of a plane with no moving parts in the propulsion system. This has potentially opened new and unexplored possibilities for aircraft which are quieter, mechanically simpler, and do not emit combustion emissions.”
A general blueprint for an MIT plane propelled by ionic wind. The system may be used to propel small drones and even lightweight aircraft, as an alternative to fossil fuel propulsion.
Credit: MIT Electric Aircraft Initiative

Electrical field strength near an array of thin filaments called emitters at the front of the wing ionizes air, meaning electrons are removed and charged molecules called ions are created. These positively charged ions are attracted to negatively charged structures on the plane called collectors. As they move towards the collectors, the ions collide with air molecules, transferring energy to them. This creates a flow of air that gives the plane its thrust.
The team, which also included Lincoln Laboratory staff Thomas Sebastian and Mark Woolston, flew the plane in multiple test flights across the gymnasium in MIT’s duPont Athletic Center — the largest indoor space they could find to perform their experiments. The team flew the plane a distance of 60 meters (the maximum distance within the gym) and found the plane produced enough ionic thrust to sustain flight the entire time. They repeated the flight 10 times, with similar performance.
“This was the simplest possible plane we could design that could prove the concept that an ion plane could fly. It’s still some way away from an aircraft that could perform a useful mission. It needs to be more efficient, fly for longer, and fly outside," said Barret.
The plane, defined as a solid-state machine because it has no moving parts, was built to be as light as possible using materials like carbon-fiber, balsa wood, a plastic called polystyrene, shrink-wrap plastic and Kevlar.
Originally published on Tech Explorist.

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Scien-Tech News: First ever plane with no moving parts wows scientists
First ever plane with no moving parts wows scientists
For the first ever time, MIT scientists have developed the first-ever plane with no moving parts. This radical approach towards flying is in the form of a small, lightweight and virtually noiseless airplane.
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