{"version":"1.0","type":"link","title":"Propeller - Newikis","description":"A propeller (often called a screw if on a ship or an airscrew if on an aircraft) is a type of propulsor with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which exerts linear thrust upon a working fluid such as water or air when rotated. Propellers are used to…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/2/28/Ship-propeller_2000.jpg/1280px-Ship-propeller_2000.jpg","thumbnail_width":1280,"thumbnail_height":960}