The sound levels produced are comparable to the volume of a regular two-person conversation.
The test was performed with CycloRotor CR-42 being mounted vertically on a mobile frame and placed far away from any reflective surface. To characterize the noise generation and propagation of the CycloRotor, measurements were made using eight microphones positioned in five different configurations during periods of no air traffic and wind speeds below 2.5 m/s.
“This is a promising result and CycloTech will continue to investigate and optimize the aeroacoustic signature of the CycloRotor," said Pedro Carrasco Laraña, aeroacoustics engineer at CycloTech.The CycloRotor system offers a propulsion technology that makes use of a series of spinning barrels instead of the conventional rotor blade or ducted fan to provide thrust for eVTOL aircraft and drones.
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