8 votes Toroidal propellers: A noise-killing game changer in air and water Posted January 28, 2023 by AugustusFerdinand Tags: maritime, aviation, aircraft, ships, propulsion, drones, propellers.toroidal, noise, efficiency, author.loz blain, source.newatlas https://newatlas.com/aircraft/toroidal-quiet-propellers Link information This data is scraped automatically and may be incorrect. Published Jan 27 2023 Word count 1442 words