An independent analysis found rotor sails installed on a Maersk oil tanker in 2018 produced an 8.2% fuel savings in a year.

Source: https://krdo.com/news/2023/05/26/mechanical-sails-batteries-shippers-forming-green-corridors-to-fast-track-cleaner-technologies/

Notably, the X-ray machine at CHC has been lying defunct since September 18 due to rotor and CPO failure.

Source: https://www.freepressjournal.in/indore/relief-to-patients-x-ray-machine-at-chc-starts-functioning

The five-bladed rotor system also significantly reduces felt vibrations, improving ride quality for both patients and the crew.

Source: https://www.wakefieldexpress.co.uk/news/people/rare-day-for-yorkshire-air-ambulance-service-as-four-helicopters-fly-over-wakefield-and-pontefract-in-special-display-4177789

Then, it was found that the rotor edge deviated from the center of the c-ring and interacted to one edge of the c-ring, causing the c-ring to stir and rotate.

Source: https://phys.org/news/2023-07-reveals-states-rotary-sodium-ion.html