The Aeris Naviter AN-2 Enara (

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for 'Swallow') is a Spanish

helicopter A helicopter is a type of rotorcraft in which Lift (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and ...

that was under development by Aeris Naviter of

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. The AN-2 was first shown at the 2009

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. The aircraft was intended to be 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 189. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X The AN-2 was intended to have certification completed in the

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Very Light Rotorcraft category by May 2010, and then again by the end of 2012 but, by January 2013, this does not seem to have been completed. Kits were intended to be ready for delivery in February 2010, but were not yet available as of January 2013. By late in 2011 there was no indication that the prototype had been flown. By 2012 the company website was redirected to Cicare Europe and all mention of the AN-2 had been removed. It is likely development had ended by that point.

Design and development

The AN-2 Enara features a two-rotor coaxial main rotor, a two-seats-in

tandem Tandem, or in tandem, is an arrangement in which two or more animals, machines, or people are lined up one behind another, all facing in the same direction. ''Tandem'' can also be used more generally to refer to any group of persons or objects w ...

enclosed cockpit,

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', that is arranged in a tricycle fashion. The tricycle arrangement has one or more nose wheels in a single front undercarriage and two or more main wheels slightly aft of th ...

with suspension, an

H-tail A twin tail is a type of vertical stabilizer arrangement found on the empennage of some aircraft. Two vertical stabilizers—often smaller on their own than a single conventional tail would be—are mounted at the outside of the aircraft's ho ...

and a four-cylinder,

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automotive engine. Plans for other powerplants include the four cylinder, air-cooled,

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, ...

Lycoming IO-233 The Lycoming IO-233 is a non-certified four-cylinder, air-cooled, horizontally opposed piston aircraft engine that produces between and . The IO-233 is a development of the Lycoming O-235, which is itself a derivative of the older Lycoming O- ...

light-sport aircraft A light-sport aircraft (LSA), or light sport aircraft, is a category of small, lightweight aircraft that are simple to fly. LSAs tend to be heavier and more sophisticated than ultralight (aka "microlight") aircraft, but LSA restrictions on weigh ...

engine. The aircraft

fuselage The fuselage (; from the French language, French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds Aircrew, crew, passengers, or cargo. In single-engine aircraft, it will usually contain an Aircraft engine, engine as wel ...

is made from

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sheet. Its diameter two-bladed rotors both have chords of . The aircraft has an empty weight of and a gross weight of , giving a useful load of .

Specifications (AN-2 Enara)

References

{{reflist

External links

Official website archives
on

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Photo of the AN-2 Enara
on Airliners.net 2000s Spanish sport aircraft 2000s Spanish helicopters Homebuilt aircraft Single-engined piston helicopters