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Propeller head may refer to: Propeller beanie, a seamed cap with a decorative propeller on top. Propellerheads, a British big beat musical ensemble, formed in 1995. An alternate term for a propeller hub, the part of a ship or aircraft propeller where the blades attach.
According to the Oxford English Dictionary, the etymology is uncertain, but probably derives from the slang term "bean", meaning "head".In New Zealand and Australia, the term "beanie" is normally applied to a knit cap known as a toque in Canada and parts of the US, but also may apply to the kind of skull cap historically worn by surf lifesavers [1] and still worn during surf sports. [2]
As early as 1804, the American John Fitch is credited with a screw propeller, which was unsuccessful. In 1836, the Englishman Francis Pettit Smith tested a screw propeller similar to Ressel's. The first transatlantic journey of a ship powered by a screw-propeller was by the SS Great Britain in 1845. Propeller design stabilized in the 1880s.
The flat plane extending from the rim is intended to protect the back of the neck, however some theorise it may have been turned in reverse to shield the eyes from sunlight whilst in battle German M43-style field cap of the "Bundesgrenzschutz" (BGS) (now called Bundespolizei), the German Federal Police A propeller hat, also known as a propeller ...
Robert Wilson FRSE FRSSA (10 September 1803 – 28 July 1882) was a Scottish engineer, remembered as inventor of a special kind of a screw propeller, which he demonstrated in 1827 (although the first patent was awarded to another inventor in 1836).
Henrietta Vansittart, née Lowe (1833 - 8 February 1883) was an English engineer and inventor, awarded a patent for a screw propeller called the Lowe-Vansittart propeller. She was self-trained and she is considered to be one of the first female engineers, with her concentration being on ship propulsion. [1] [2] [3]
Various ejection seats. In aircraft, an ejection seat or ejector seat is a system designed to rescue the pilot or other crew of an aircraft (usually military) in an emergency. . In most designs, the seat is propelled out of the aircraft by an explosive charge or rocket motor, carrying the pilot with
The propeller allowed Royal George to enter Saint John Harbour in a calm which stranded other sailing vessels. Patch's invention was 4 years before John Ericsson's famous patent on the screw propeller in Britain. Patch lacked the funds to travel to Britain for a patent but instead tried to patent his propeller in the United States in 1832.