The Chayair Sycamore is a South African

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 ...

, designed and produced by Chayair of

Musina Musina (; formerly Messina) is the northernmost town in the Limpopo province of South Africa. It is located near the confluence of the Limpopo River with the Sand River and the border to Zimbabwe. It has a population of between 20,000 and 40, ...

. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 178. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 192. Flying Pages Europe SARL, 2015.

Design and development

The Sycamore 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 or optionally enclosed cockpit,

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 ...

with

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. ...

and a four-cylinder, liquid and air-cooled, four-stroke,

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 Terms, ...

turbocharged Rotax 914F engine in pusher configuration. The

Subaru EJ22 The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. They were introduced in 1989, intended to succeed the previous Subaru EA engine. The EJ series was the mainstay of Subaru's engine line, with all engines ...

is optional. 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 aircraf ...

is made from 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 ha ...

tubing and mounts a diameter Advanced Kinetics rotor. The

tailplane A tailplane, also known as a horizontal stabiliser, is a small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyropla ...

features five vertical tail surfaces for improved directional stability. The enclosed Sycamore Mk 1 version has an empty weight of and a gross weight of , giving a useful load of .

Operational history

By December 2012 one example had been 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 ...

in the ''Experimental - Amateur-built'' category.

Variants

;Sycamore Mk 1 :Enclosed cockpit version ;Sycamore Mk 2000 :Open cockpit version

Specifications (Sycamore Mk 1)

References

External links

*{{Official website, http://www.chayaireurope.com/
Official Sycamore Mk 1 photos
2000s South African sport aircraft Homebuilt aircraft Single-engined pusher autogyros