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
Entrepreneur Jim Montgomerie, 54, will begin selling a kit version of his new autogyro for pounds 13,000 later this month.
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.
He set a string of autogyro world records in the 1970s and was featured flying in the James Bond film You Only Live Twice .
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.
After a series of accidents involving autogyros we were asked to look at their behaviour during flight.
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.
By Joey Aguilar/ Staff Reporter The skies of Al Khor were taken over by light aircraft like autogyros and weight-shift microlight planes yesterday, leaving hundreds of spectators enthralled, as the sixth edition of the annual Al Khor Fly-In took off.
Rotorcraft generally includes those aircraft where one or more rotors are required to provide lift throughout the entire flight, such as helicopters, cyclocopters, autogyros, and gyrodynes.