Tuesday, November 27, 2018

First plane propelled by ionic wind

MIT engineers have flown the first plane without moving parts, propelled by ionic wind. Batteries are used to create high voltages which are used to ionize air and use these ions to generate thrust. A report states:

This is the first-ever sustained flight of a plane with no moving parts in the propulsion system,” says Steven Barrett, associate professor of aeronautics and astronautics at MIT.
“This has potentially opened new and unexplored possibilities for aircraft which are quieter, mechanically simpler, and do not emit combustion emissions.”
He expects that in the near-term, such ion wind propulsion systems could be used to fly less noisy drones. Further out, he envisions ion propulsion paired with more conventional combustion systems to create more fuel-efficient, hybrid passenger planes and other large aircraft.
This story has some interesting physics in it.

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