autogiro

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Related to autogyros: Gyrocopter, autogiro, gyroplanes

autogiro

(ôtōjī`rō) or

gyroplane

(jī`rəplān), type of aircraft supported in the air by a horizontally mounted airfoil similar to that of a helicopter but unpowered. Invented by the Spaniard Juan de la Cierva, it was first flown successfully in Jan., 1923, in Spain. Most of the lift is supplied by large airfoils which are mounted horizontally above the craft and rotated by the airflow created by the craft's forward movement. The autogiro has fixed wings that are smaller than those of an ordinary airplane; the body and tail assembly is of conventional design. Thrust is supplied by an ordinary engine and propeller, and control is maintained by a rudder, elevators, and ailerons. In one type, fixed wings are absent, and the rotor provides all the lift. Control of pitch and roll are accomplished by tilting the rotor forward, backward, or to either side. Some advantages of the machine are that its descent will be slowed by the turning of the rotor if the engine fails; that it becomes airborne with a very short takeoff run and can land in small areas; and that with a moderate headwind it can virtually hover with zero ground speed. However, it cannot match the vertical climbing performance of the helicopter.

autogiro

[‚ȯd·ō′jī·rō]
(aerospace engineering)
A type of aircraft which utilizes a rotating wing (rotor) to provide lift and a conventional engine-propeller combination to propel the vehicle through the air.

autogiro

, autogyro
a self-propelled aircraft supported in flight mainly by unpowered rotating horizontal blades
References in periodicals archive ?
AIR I GO Norman hugs wife Celia and children Felix and Petra AIRBORNE Norman Surplus leaves Larne in his autogyro yesterday
Instead of classifying autogyros as fixed-wing aircraft, officials bracketed the machines with microlights, meaning medical requirements were less stringent.
More than 20 years after the war ended, Wing Commander Ken Wallis, of Reymerston, Norfolk, became one of the world's most accomplished autogyro pilots.
Most autogyros sold at the moment are for recreational use and my past customers include everyone from students to millionaires.
Researchers at the University of Glasgow, who worked with Jim on the four-year project, said the work had shed important new light on the design of autogyros.
Autogyros are said to be cheap, simple to build and can take off within a distance of a few hundred feet.
Entrepreneur Jim Montgomerie, 54, will begin selling a kit version of his new autogyro for pounds 13,000 later this month.
One aviation expert last night said autogyros were very rare because of their characteristics.
Villagers looked on as the tiny autogyro crashed at Coll on the Isle of Lewis.
Modeled on the autogyros of the 1930's but with advanced 1990's design and performance, the GBA Hawks incorporate patented rotorhead technology making them capable of fulfilling ninety percent of the jobs of a helicopter at a fraction of the operating cost.
Modeled on the autogyros of the 1930's but incorporating significantly advanced 1990's design and performance, the GBA Hawks incorporate patented rotorhead technology making them capable of fulfilling ninety percent of the jobs of a helicopter at a fraction of the cost.
Founded in 1985 by entrepreneurs David and Jay Groen, Groen Brothers Aviation is the developer and manufacturer of the patented Hawk Gyroplane, an innovative new series of aircraft modeled on the autogyros of the 1930's but incorporating significantly advanced 1990's design and performance.