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Topic: Autogyro

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	Autogyro History and Theory
		In an autogyro, the wings are the rotor and are moving through the air at the speed at which the rotor is spinning, not the speed at which the aircraft is moving.
		Even if the autogyro has these systems for prerotating the rotor for a jump takeoff, they do not need to be as robust as those in a helicopter because they will not need to handle the same amount of torque, and also because they are not flight critical, they don't need to be overdesigned.
		Early autogyros, although they had a higher speed envelope than airplanes, had a higher drag and so were not as efficient at higher speeds, and absolutely cound not attain the maximum speeds of the faster airplanes.
	www.jefflewis.net /autogyros.html (5747 words)

	Wikinfo \| Autogyro
		An autogyro, or autogiro, sometimes called a gyroplane or Gyrocopter™, is an aircraft with an unpowered rotary wing, or rotor, that resembles a helicopter.
		Modern autogyros, such as the Bensen B-8M gyrocopter, generally use a pusher configuration to increase visibility for the pilot.
		Modern autogyros are quite frisky on the ground, and versions with brakes and tied rotors have been driven successfully in heavy automobile traffic.
	www.wikinfo.org /wiki.php?title=Autogyro (1244 words)

	Autogyro
		An autogyro is a rotary-wing aerodyne whose rotor is turned throughout its flight by air forces resulting from the motion of the craft through the air.
		Autogyros are not commonly seen and are distinguished from helicopters, in that while they do have a rotary wing, unlike a helicopter, the autogyro’s rotary wing is unpowered.
		The autogyro could not take off or land vertically, nor could it hover, but its abbreviated landing and takeoff runs were dramatic, and proponents claimed that the aircraft minimized dangerous stalls.
	www.globalsecurity.org /military/systems/aircraft/autogyro.htm (875 words)

	Autogyro - Wikipedia, the free encyclopedia
		However, the autogyro is a distinct type of aircraft and not a hybrid between fixed-wing aircraft and helicopters.
		The autogyro was invented by Juan de la Cierva y Codorniu in 1919, and it made its first successful flight on 17 January 1923 at Cuatro Vientos Airfield in Madrid, Spain.
		Autogyros can be of tractor configuration (with the engine(s) and propeller(s) at the front of the fuselage), e.g., Cierva, or pusher configuration (with the engine(s) and propeller(s) at the rear of the fuselage), e.g., Bensen.
	en.wikipedia.org /wiki/Autogyro (4068 words)

	Autogyro Add-on Pylon - Click Trip - Model Airplane News (Site not responding. Last check: 2007-10-19)
		As a true autogyro, the rotor is no longer attached to the extension; instead, it's mounted on the forward rotor post, and the lateral trim is the same.
		The autogyro plane is capable of all the maneuvers described in that phase.
		Ambitious autogyro pilots have accomplished rolls, spins and even inverted flight, but these are rather difficult to do and place a lot of stress on the model.
	www.modelairplanenews.com /click_trips/jan05/finalapp_2.asp (1280 words)

	Autogyro ideas (Site not responding. Last check: 2007-10-19)
		A real military autogyro is unlikely to have such an impressive array of weapons, but Pegasus autogyros could have a internal ventral bay with a universal mounting that can take a.50 M2HB, ASP-30 cannon or a Mk-19 grenade launcher.
		The autogyro's very short take off and landing requirements mean that in the event of a communication problem the pilot can simply land and give his report personally to the column commander.
		Autogyros could be used in this role, but conventional fixed wing microlights may prove just as suitable, as may the parajet system.
	www.angelfire.com /art/enchanter/autogyro.html (816 words)

	autogyro
		The autogyro differs from the helicopter in that the engine does not continuously move the rotor, as the engine on a helicopter does.
		The small propeller at the front of the machine is vertical to the fuselage and pulls the autogyro forward as the propeller on an aircraft does.
		His autogyro was difficult to maneuver at low speeds because it used airplane-like controls that were dependant on forward speed to work.
	www.daviddarling.info /encyclopedia/A/autogyro.html (458 words)

	Autogyro at AllExperts
		Though the autogyro superficially resembles a helicopter, it is driven in flight by an engine-powered propeller similar to that of a fixed-wing aircraft; the rotor turns due to autorotation to provide lift.
		Autogyros can be of tractor configuration (with the engine(s) and propeller(s) at the front of the fuselage), e.g., Cierva, or pusher configuration (with the engine(s) and propeller(s) at the rear of the fuselage), e.g., Bensen.
		Bensen autogyros and its derivatives have a poor safety record due to their deficient stability and control characteristics greatly worsened by use of a teetering rotor, and their marketing as a "build it yourself and teach yourself how to fly it" aircraft.
	en.allexperts.com /e/a/au/autogyro.htm (3718 words)

	About Merlin Autogyros
		Autogyros have been around for more than 50 years in various forms; there are thousands of them flying around the world today.
		We at Merlin Autogyros have been involved with the building and supplying of Autogyros here in the UK For more than 20 years and in that time have researched and developed many new innovations to the original design.
		With your Autogyro you will find that unlike conventional Aircraft you are not restricted to using Airports and therefore you will not have the expense of landing fees or costly hangerage as you can take it home on a trailer and park it in the garage.
	www.gyrocopters.co.uk /html/about_merlin_autogyros.html (458 words)

	Autogyro
		Though the autogyro superficially resembles a helicopter, it is driven in flight by an engine-powered propeller similar to that of an airplane; the rotor turns due to autorotation to provide lift.
		The vertical component of the total aerodynamic reaction is termed rotor thrust, and sustains the autogyro in the air as the vehicle is pulled or pushed through the air by its propeller or jets.
		An autogyro can easily execute a steep approach to a no-roll landing; however, the climb angle after takeoff is relatively shallow, similar to that of an airplane.
	articles.gourt.com /en/autogyro (3615 words)

	Electric Autogyro, is it possible?
		Autogyros or Gyrocopters are known to be noisy flying machines and, therefore, not very good neighbours.
		The easiest way to create an electric autogyro is to install the Antares power unit-type elements into a Bensen (or Brock) type open frame gyrocopter with a higher mast to accommodate a 2m dia propeller and a slightly wider wheel track.
		This means that an electric autogyro may well be able to fly up to 30 minutes with present day battery technology and close to one hour in a few years time.
	www.icon.fi /~jtki/elgyro.html (1359 words)

	The Autogyro: Interesting Thing of the Day
		The speed and direction of the craft’s movement are determined by the angle at which the rotor is positioned; in most helicopter designs, a vertically mounted tail rotor counteracts the main rotor’s rotation and prevents the helicopter’s body from spinning.
		Autogyros tend to look rather goofy: either like airplanes with a giant rotor where wings should be, or like stunted helicopters missing their tails.
		Autogyros are also being used increasingly in law enforcement, nature observation, sightseeing, and other recreational flying.
	itotd.com /articles/545/the-autogyro (942 words)

	Autogyros
		Autogyros are unique because they have the ability to vertically take-off and land.
		The autogyro has a propeller like an airplane to move it forward, and a rotor like the one on a helicopter to give it the lift needed to move in a vertical direction.
		An autogyro, on the other hand, uses its rotor to provide lift, so it must only increase the speed of the rotors in order to increase its lift, not the speed of the body of the craft.
	www.unc.edu /~franco/autogyro/physics.html (1935 words)

	Slow-G: Frequently Asked Questions
		An autogyro is a heavier-than-air, rotary-wing aircraft with a tractor or pusher propeller (like an airplane) and free-spinning rotor(s) that generate lift.
		This affects both helicopters and autogyros equally; helicopters normally employ flapping hinges, lead-lag hinges and cyclic pitch control machnisms to cope with asymmetric lift and to provide roll control (for an in-depths treatment, see Collin Mill's "Practical Theories") With two rotors spinning in opposite directions, asymmetric lift cancels out between the rotors.
		Jeff Lewis of Carter Aviation Technologies has a very informative essay that "describes autogyros and how they work, gives a brief history of their early development, explains their differences with other aircraft, and explains why they were never accepted".
	www.slow-g.com /faq.html (1372 words)

	History
		The autogyro seemed to be a compromise that combined cruise performance near that of fixed wing aircraft, with take-off and landing capabilities that could fulfill many of the applications for the helicopter.
		In 1920, Spaniard Juan de la Cierva built the C.1 autogyro, but it rolled over while taxiing, due to the destabilizing effect of the rotor blades which were rigidly attached to the mast.
		Worldwide, the autogyro was quite successful, with about 500 built in the 1930s and 1940s.
	www.vtol.org /History.htm (17754 words)

	The Contributions of the Autogyro
		This Pitcairn PAA-1 autogiro was flown at Langley for the NACA investigation of an experimental cantilevered three-bladed rotor.
		In 1930, an autogyro led an "air parade" during an airshow at Newark Airport in New Jersey.
		A Cierva autogyro was developed with a device to produce a vertical "jump" takeoff.
	www.centennialofflight.gov /essay/Rotary/autogiro/HE3.htm (1350 words)

	New Zealand Autogyro Association
		Though the autogyro superficially resembles a helicopter, it is driven in flight by an engine-powered propeller similar to that of an airplane
		Autogyro News is the official magazine of the NZ Autogyro Association.
		Slowed-rotor compound aircraft, a vertical takeoff and landing aircraft that uses the rotor for takeoff and landing, and a small, efficient wing for high speed flight, up to 500 mph, all with much less complexity than a tilt-rotor or other vectored thrust vehicle.
	www.autogyro.org.nz (290 words)

	GyroPilot - FAQ what is an Autogyro?
		The autogyro's main rotor acts as a circular wing and draws energy from the airstream to rotate and generate lift.
		There are many large and small airfields around the world from which autogyros are flown.
		There are numerous autogyro flying schools around the world and each country has its regulatory body governing the need or otherwise for a pilots licence.
	www.gyropilot.co.uk /faq.asp (536 words)

	Simulation Imitation of an Autogyro Controlled Longitudinal Motion
		Principles of designing the autogyro controlled longitudinal motion flight simulator (FS) and its working algorithm are considered.
		Here the object of a simulation is an autogyro – the vehicle whose lift is generated by a main rotor (MR) operating in the mode of autorotation, i.e.
		Autogyro propulsion thrust is created by power plant.
	www.kcn.ru /tat_en/science/ans/journals/rasj_cnt/02_1_3.html (348 words)

	Inkless Tales: featuring the Animated Alphabet
		Anne Bushey, 7 years old, holds a autogyro she and Elizabeth Bushey made together as they tested this project to make sure it was actually fun.
		Anne played with the autogyro for a while, and it really does fly.
		Toss the autogyro into the air, and watch it slowly fall in circles.
	www.inklesstales.com /crafts/autogyro (455 words)

	Merlin GTS Autogyro
		This single seat Autogyro has an excellent safety record and is the latest development of this type of Aircraft, based on our well proven “Kit Build” Airframe.
		It was designed, built and tested by Jim Montgomerie, and is the result of continuous research and development over a 20 year period.
		Our latest policy is to supply the Gyro without engine, rotors, propeller or instruments as we have discovered Over the years that most of our customers have there own preference as to rotor make, new or second hand Rotax engine, fixed or variable pitch propeller and customised instrumentation.
	www.gyrocopters.co.uk /html/merlin_gts_autogyro.html (762 words)

	Ikenga Autogyro Aircraft
		The catalyst for my flying sculptures was a meeting with Wing Commander Ken Wallis, designer of James Bond's Little Nellie autogyro, in 1965 while on a photography assignment for Queen magazine in England.
		Autogyros sparked my interest and soon afterwards I was commissioned to create conceptual drawings for a five passenger autogyro to be built in Blackpool.
		Designs for modular autogyros followed as did a very exciting project: creating a minimal structure airborne residence based on lighter then air technology - akin to a floating Yogi abode.
	dwij.org /dwij/flight.htm (144 words)

	gyro,autogyro,Gyro,Gyroyopter,autogiro,Tragschrauber,MT03,Rundflug,Hildesheim, gyrokonfigurator, autogyro (Site not responding. Last check: 2007-10-19)
		The MT-03 is a two-seat tandem autogyro suited to multiple applications.
		An autogyro costs only about 10% as much to own and operate as a helicopter yet can accomplish 90% of what a helicopter can do.
		Unlike a helicopter an autogyro cannot hover, take off or land vertically.
	www.eaglesworld.de /eng/index.php?option=com_content&task=blogcategory&id=14&Itemid=29 (230 words)

	Old autogyro finding new enthusiasts
		The autogyro was developed in 1923 by Spaniard Juan de la Cierva, just 20 years after the Wright brothers introduced fixed-wing aircraft.
		His autogyro does not hover or take off vertically, but it can do most everything else a helicopter will do.
		Unlike a helicopter, the autogyro's main rotor blade is non-powered.
	www.azcentral.com /community/scottsdale/articles/0224sr-wings0224Z8.html (369 words)

	The Weir W-2 Autogyro- An AUTOGYRO by "Z" for Fiddlers Green
		The first Weir autogyro was the W-1, which was improved upon by the W-2, powered by a two cylinder Weir Dryad II engine, this autogyro first flew during March 1934 from Abbotsinch.
		Out of Weir's enterprising designs, the W-2 is the sole survivor, and was a part of the Science Museum collection for many years before being generously donated to the Museum of Flight by Viscount Weir as a unique part of Scotland's National Aviation collection in 1986.
		It is fun to note that model Autogiros and autogyros are again being modeled, after years of near-neglect.
	www.fiddlersgreen.net /AC/aircraft/Cierva-W2-autogyro/info/info.htm (930 words)

	Old autogyro finding new enthusiasts
		The autogyro was developed in 1923 by Spaniard Juan de la Cierva, just 20 years after the Wright brothers introduced fixed-wing aircraft.
		McClung is a local autogyro dealer for Salt Lake City-based Groen Brothers Aviation Inc.'s new subsidiary, American Autogyro Inc., which manufactures autogyro kits for under $40,000.
		Unlike a helicopter, the autogyro's main rotor blade is non-powered.
	azcentral.com /community/scottsdale/articles/0224sr-wings0224Z8.html (369 words)

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