{"type":"standard","title":"Propeller","displaytitle":"Propeller","namespace":{"id":0,"text":""},"wikibase_item":"Q205451","titles":{"canonical":"Propeller","normalized":"Propeller","display":"Propeller"},"pageid":23738,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Ship-propeller_2000.jpg/330px-Ship-propeller_2000.jpg","width":320,"height":240},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/2/28/Ship-propeller_2000.jpg","width":2000,"height":1500},"lang":"en","dir":"ltr","revision":"1286506014","tid":"af49eb80-1dc8-11f0-9c8d-1238ec333696","timestamp":"2025-04-20T09:20:22Z","description":"Device that transmits rotational power into air movement thrust on a fluid","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Propeller","revisions":"https://en.wikipedia.org/wiki/Propeller?action=history","edit":"https://en.wikipedia.org/wiki/Propeller?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Propeller"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Propeller","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Propeller","edit":"https://en.m.wikipedia.org/wiki/Propeller?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Propeller"}},"extract":"A propeller is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon a working fluid such as water or air. Propellers are used to pump fluid through a pipe or duct, or to create thrust to propel a boat through water or an aircraft through air. The blades are shaped so that their rotational motion through the fluid causes a pressure difference between the two surfaces of the blade by Bernoulli's principle which exerts force on the fluid. Most marine propellers are screw propellers with helical blades rotating on a propeller shaft with an approximately horizontal axis.","extract_html":"
A propeller is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon a working fluid such as water or air. Propellers are used to pump fluid through a pipe or duct, or to create thrust to propel a boat through water or an aircraft through air. The blades are shaped so that their rotational motion through the fluid causes a pressure difference between the two surfaces of the blade by Bernoulli's principle which exerts force on the fluid. Most marine propellers are screw propellers with helical blades rotating on a propeller shaft with an approximately horizontal axis.
"}{"slip": { "id": 6, "advice": "Never cut your own fringe."}}
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{"fact":"Polydactyl cats (a cat with 1-2 extra toes on their paws) have this as a result of a genetic mutation. These cats are also referred to as 'Hemingway cats' because writer Ernest Hemingway reportedly owned dozens of them at his home in Key West, Florida.","length":252}
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