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.[1]
| Niki 2004 | |
|---|---|
| Role | Autogyro |
| National origin | Bulgaria |
| Manufacturer | Niki Rotor Aviation |
| Introduction | 2004 |
| Status | In production (2013) |
Design and development
editThe 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 150 hp (112 kW) Subaru EJ22 auto-conversion engine in pusher configuration.[1]
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 9.14 m (30.0 ft) diameter and a chord of 20 cm (7.9 in). The 2004M model has an empty weight of 350 kg (772 lb) and a gross weight of 550 kg (1,213 lb), giving a useful load of 200 kg (441 lb).[1]
Variants
edit- 2004
- Original version with a gross weight of 450 kg (992 lb), a fuselage length of 3.90 m (12.8 ft) and a cruise speed of 130 km/h (81 mph).[2]
- 2004M
- Stretched version with a fuselage length of 4.225 m (13.9 ft) and a cruise speed of 130 km/h (81 mph).[1][3]
- 2008
- Improved version with a gross weight of 450 kg (992 lb), a fuselage length of 4.225 m (13.9 ft) and a cruise speed of 150 km/h (93 mph).[4]
Specifications (2004M)
editData from Bayerl[1]
General characteristics
- Crew: one
- Capacity: one passenger
- Empty weight: 350 kg (772 lb)
- Gross weight: 550 kg (1,213 lb)
- Fuel capacity: 70 litres (15 imp gal; 18 US gal)
- Powerplant: 1 × Subaru EJ22 four cylinder, air-cooled, four-stroke, single-ignition automotive engine, 110 kW (150 hp)
- Main rotor diameter: 9.14 m (30 ft 0 in)
- Propellers: 4-bladed composite
Performance
- Maximum speed: 150 km/h (93 mph, 81 kn)
- Cruise speed: 130 km/h (81 mph, 70 kn)
- Rate of climb: 5 m/s (980 ft/min)
References
edit- ^ a b c d e Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 184. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- ^ "Gyrocopter NIKI 2004". Niki Aviation. 25 January 2011. Archived from the original on 18 October 2011. Retrieved 9 January 2013.
- ^ "Gyrocopter NIKI 2004 M". Niki Aviation. 25 January 2011. Archived from the original on 18 October 2011. Retrieved 9 January 2013.
- ^ "Gyrocopter NIKI 2008". Niki Aviation. 25 January 2011. Archived from the original on 18 October 2011. Retrieved 9 January 2013.