Our Patent prints are made using restored high-resolution scans of 10000's of patents covering a range of technologies, sports, music, gaming & more. Our posters make the perfect personal addition to any home or office, they even make great custom gifts for friends & loved ones. Using 4 unique styles; vintage, chalkboard, blueprint & white our prints look amazing on any wall! Printed on high-quality 180gsm matt paper using archival quality inks our artwork looks amazing wherever they are displayed!
An aircraft propeller, or airscrew, converts rotary motion from an engine or other mechanical power source, to provide propulsive force. 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 fixed, manually variable to a few set positions, or of the automatically-variable "constant-speed" type.
The propeller attaches to the power source's driveshaft either directly or, especially on larger designs, through reduction gearing.
Most early aircraft propellers were carved by hand from solid or laminated wood, while metal construction later became popular. More recently, composite materials are becoming increasingly used.
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