The Niki 2004 is a family of Bulgarian autogyros, designed and produced by Niki Rotor Aviation of Pravets. 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 184. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
Design and development The Niki 2004 features a single main rotor, a two-seats-in side-by-side configuration enclosed cockpit, tricycle landing gear and a four-cylinder, air-cooled, four-stroke, single-ignition Subaru EJ22 auto-conversion engine in pusher configuration.
The aircraft fuselage is made from monocoque aluminum sheet, with a steel rotor mast and the twin tails supported by aluminium tubing. The series uses American-made Vortech and SportCopter rotor blades with a diameter and a chord of . The 2004M model has an empty weight of and a gross weight of , giving a useful load of .
Variants 2004 Original version with a gross weight of , a fuselage length of and a cruise speed of . 2004M Stretched version with a fuselage length of and a cruise speed of . 2008 Improved version with a gross weight of , a fuselage length of and a cruise speed of .
Specifications (2004M)
References
External links