Farrington Twinstar
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The Farrington Twinstar is an American two-seat
autogyro An autogyro (from Greek and , "self-turning"), also known as a ''gyroplane'', is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. Forward thrust is provided independently, by an engine-driven propeller. Whi ...
that was designed and produced by
Farrington Aircraft The Farrington Aircraft Corporation was an American aircraft manufacturer founded by Don Farrington and based in Paducah, Kentucky. The company specialized in the design and manufacture of autogyros in the form of kits for amateur constructio ...
of
Paducah, Kentucky Paducah ( ) is a home rule-class city in and the county seat of McCracken County, Kentucky. The largest city in the Jackson Purchase region, it is located at the confluence of the Tennessee and the Ohio rivers, halfway between St. Louis, Missour ...
, a company owned by Don Farrington. Now out of production, when it was available the aircraft was supplied as a kit for amateur construction.Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 323. BAI Communications, 15 July 1998. It first flew in 1993.


Design and development

The aircraft was designed to comply with the US ''Experimental - Amateur-built'' aircraft rules. It features a single main rotor, a two-seats-in
tandem Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...
open cockpit with a windshield,
tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle g ...
without
wheel pants An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag.Crane, Dale: ''Dictionary of Aeronautical Terms, Third Edition'', page 206. Aviation Supplies & Academics Inc, Newcastle Washington, 1997. ...
, plus a tail
caster A caster (or castor) is an undriven wheel that is designed to be attached to the bottom of a larger object (the "vehicle") to enable that object to be moved. Casters are used in numerous applications, including shopping carts, office chairs, t ...
. The tail consists of two
vertical stabilizer A vertical stabilizer or tail fin is the static part of the vertical tail of an aircraft. The term is commonly applied to the assembly of both this fixed surface and one or more movable rudders hinged to it. Their role is to provide control, sta ...
s and
rudders A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adverse ya ...
. The acceptable power range is and the standard engine used is a four-cylinder, air-cooled,
four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...
,
dual-ignition Dual Ignition is a system for spark-ignition engines, whereby critical ignition components, such as spark plugs and magnetos, are duplicated. Dual ignition is most commonly employed on aero engines,Crane, Dale: ''Dictionary of Aeronautical Term ...
Lycoming O-320 The Lycoming O-320 is a large family of naturally aspirated, air-cooled, four-cylinder, direct-drive engines produced by Lycoming Engines. They are commonly used on light aircraft such as the Cessna 172 and Piper Cherokee. Different variants ...
in
pusher configuration In an aircraft with a pusher configuration (as opposed to a tractor configuration), the propeller(s) are mounted behind their respective engine(s). Since a pusher propeller is mounted behind the engine, the drive shaft is in compression in nor ...
. The cabin width is . The aircraft
fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...
is made from a combination of welded steel and bolted-together
aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has ...
tubing, with a
fiberglass Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth ...
cockpit fairing An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag.Crane, Dale: ''Dictionary of Aeronautical Terms, Third Edition'', page 206. Aviation Supplies & Academics Inc, Newcastle Washington, 1997. ...
. Its two-bladed rotor has a diameter of . The aircraft has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for the pilot, passengers and baggage is . The standard day, sea level, no wind, take off with a engine is and the landing roll is . The manufacturer estimated the construction time from the supplied kit as 200 hours.


Operational history

By 1998 the company reported that 25 kits had been sold and five aircraft were completed and flying. In March 2015 six examples were registered in the United States with the
Federal Aviation Administration The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic m ...
, although a total of 12 had been registered at one time.


Specifications (Twinstar)


See also

*
List of rotorcraft This is a list of rotorcraft, including helicopters, autogyros, rotor kites and convertiplanes. A A-B Helicopters * A-B Helicopters A/W 95 American Aircraft International * AAI Penetrator Aero * Aero HC-2 Heli Baby Aero-Astra ...


References

{{reflist Twinstar 1990s United States sport aircraft 1990s United States civil utility aircraft Homebuilt aircraft Single-engined pusher autogyros Aircraft first flown in 1993