Startup announces successful ion-propulsion drone test flight

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Instead of the typical propellers used to generate a drone’s lift and thrust, the company’s “Silent Ventus” model uses two stacked electrode grids that create high-voltage electric fields that can generate “ionic wind” for propulsion.

Nasa has primarily used ion-propulsion to provide highly-efficient thrust for spacecraft and satellites.

Undefined Technologies claims to have reduced the noise level created by the drone from around 90 decibels with its first 25-second indoor test flight in 2020 to below 75dB with its four-and-a-half minute outdoor test flight.

 

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