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See all on WikipediaPropeller - Wikipedia
A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) 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 … See more
Early developments
The principle employed in using a screw propeller is derived from stern sculling. In sculling, a single blade is moved through an arc, from side to … See more
Shaft protection
For smaller engines, such as outboards, where the propeller is exposed to the risk of collision with heavy objects, the propeller often includes a device that is designed to fail when overloaded; the device or the whole … See more• Screw-propelled vehicle – Vehicle propelled by load-bearing rotating helical flanges
Propeller characteristics
• Advance ratio – Ratio of freestream speed to tip speed
• See moreIn the nineteenth century, several theories concerning propellers were proposed. The momentum theory or disk actuator theory – a theory describing a See more
Variable-pitch propeller
Variable-pitch propellers may be either controllable (controllable-pitch propellers) or automatically feathering (folding propellers). … See moreA cleaver is a type of propeller design especially used for boat racing. Its leading edge is formed round, while the trailing edge is cut straight. It provides little bow lift, so that it can be used on boats that do not need much bow lift, for instance hydroplanes See more
• Titanic's Propellers
• Theory calculation propellers and wings: detailed article with blade element theory software application
• "What You Should Know About Propellers For Our Fighting Planes", November 1943, … See moreWikipedia text under CC-BY-SA license Propeller (aeronautics) - Wikipedia
In aeronautics, an aircraft propeller, also called an airscrew, converts rotary motion from an engine or other power source into a swirling slipstream which pushes the propeller forwards or backwards. It comprises a rotating power-driven hub, to which are attached several radial airfoil-section blades such that the whole assembly rotates about a longitudinal axis. The blade pitch may be fi…
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 10 mins
Propeller theory - Wikipedia
WEBPropeller theory is the science governing the design of efficient propellers. A propeller is the most common propulsor on ships, and on small aircraft.
- Estimated Reading Time: 11 mins
Propeller - Simple English Wikipedia, the free encyclopedia
WEBA propeller makes an aircraft, ship, or submarine in water or air go by making a big wind or a strong stream. It does this by turning two or more wings very quick.
Propeller | Aircraft, Aviation, Design | Britannica
WEBPropeller, device with a central hub and radiating blades placed so that each forms part of a helical (spiral) surface. By its rotation in water or air, a propeller produces thrust owing to aerodynamic or fluid forces acting …
Propeller - Wikiwand articles
WEBA propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical …
Propellers - Encyclopedia.com
WEBPropellers, which are essentially a series of twisted wings, or blades, connected to a central hub, are efficient energy transmission devices for those applications. The blades …
Aircraft Propeller General and Principles - Aircraft …
WEBThe aircraft propeller consists of two or more blades and a central hub to which the blades are attached. Each blade of an aircraft propeller is essentially a rotating wing. As a result of their construction, the …
Propellers | How Things Fly - Smithsonian Institution
WEBThink of a propeller as a spinning wing. Like a wing, it produces lift, but in a forward direction—a force we refer to as thrust. Its rotary motion through the air creates a difference in air pressure between the front and back …
A Short History of the Aircraft Propeller - Hartzell Propeller
WEBDec 19, 2018 · Hartzell Propeller has been at the forefront of aircraft propeller design and manufacturing since the early days of aviation. In fact, our history dates back to 1917, …
Toroidal propeller - Wikipedia
WEBA toroidal propeller is a type of propeller that is ring-shaped with each blade forming a closed loop. The propellers are significantly quieter at audible frequency ranges, …
8 Types of Aircraft Propellers in Detail (Photos) - Aero Corner
WEBFind out some of the most common types of propellers in aircraft and learn the differences between each of them. The device that converts rotational energy generated by the …
Propeller Theory 101 - Aviation Safety
WEBOct 25, 2022 · The force produced by a wing is called lift, and usually the force produced by a propeller blade is called thrust. Both depend on the same factors: air density, airfoil …
Propeller - Wikimedia Commons
WEBPropeller. A propeller can be seen as a rotating fin in water or a wing in air. The horizontal axis of rotation produces a dynamic force as thrust. The force produced is from the …
Ship propellers - how do they work? - onesteppower
WEBPropellers are the driving force behind most ships and planes around the world. They can drive large commercial ships through the water at 15 knots and commercial aircraft at …
Variable-pitch propeller (aeronautics) - Wikipedia
WEBIn aeronautics, a variable-pitch propeller is a type of propeller (airscrew) with blades that can be rotated around their long axis to change the blade pitch. A controllable-pitch …
Looped propellers: A noise-killing game changer in air and water
WEBJan 27, 2023 · These strangely-shaped twisted-loop propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional …
How to Make a Propeller (with Pictures) - wikiHow
WEBMay 12, 2023 · How to Make a Propeller. Carving a wooden propeller can be a complex process that takes a lot of planning and work. You need to pay strong attention to detail. …
Turboprop - Wikipedia
WEBTo maintain propeller efficiency across a wide range of airspeeds, turboprops use constant-speed (variable-pitch) propellers. The blades of a constant-speed propeller increase …
6 Types of Propeller: An Ultimate Guide to Pros and Cons - Linquip
WEBNov 21, 2022 · A propeller is a piece of equipment with a rotating hub and radiating blades set at a pitch to produce a helical spiral that, when rotated, acts similar to …
History of the Propeller Beanie and The Ultimate Propeller-Head ...
WEBThe headgear which I designed for the space hero was the first propeller beanie. It was made out of pieces of plastic, bit of coat-hanger wire, some beads, a propeller from a …
Variable-pitch propeller (marine) - Wikipedia
WEBIn marine propulsion, a variable-pitch propeller is a type of propeller with blades that can be rotated around their long axis to change the blade pitch.
Bent Propeller - Wikipedia
WEBBent Propeller (also known as World Trade Center Stabile) was a red stainless steel sculpture by Alexander Calder. Description. The main elements of the sculpture were …
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