Niki 2004
{{Short description|Bulgarian autogyro}}
{{Use dmy dates|date=December 2022}}
{{Use British English|date=December 2022}}
| {{Infobox Aircraft Begin
| name=Niki 2004 | image= | caption= }}{{Infobox Aircraft Type | type=Autogyro | national origin=Bulgaria | manufacturer=Niki Rotor Aviation | designer= | first flight= | introduced=2004 | retired= | status=In production (2013) | primary user= | more users= | produced= | number built= | developed from= | variants with their own articles= }} |
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 {{convert|150|hp|kW|0|abbr=on}} 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 {{convert|9.14|m|ft|1|abbr=on}} diameter and a chord of {{convert|20|cm|in|1|abbr=on}}. The 2004M model has an empty weight of {{convert|350|kg|lb|0|abbr=on}} and a gross weight of {{convert|550|kg|lb|0|abbr=on}}, giving a useful load of {{convert|200|kg|lb|0|abbr=on}}.
Variants
;2004
:Original version with a gross weight of {{convert|450|kg|lb|0|abbr=on}}, a fuselage length of {{convert|3.90|m|ft|1|abbr=on}} and a cruise speed of {{convert|130|km/h|mph|0|abbr=on}}.{{cite web|url=http://en.nikiaviation.com/products/niki_2004 |title=Gyrocopter NIKI 2004 |publisher=Niki Aviation |date=2011-01-25 |accessdate=2013-01-09|archiveurl = https://web.archive.org/web/20111018152352/http://en.nikiaviation.com/products/niki_2004 |archivedate = 18 October 2011}}
;2004M
:Stretched version with a fuselage length of {{convert|4.225|m|ft|1|abbr=on}} and a cruise speed of {{convert|130|km/h|mph|0|abbr=on}}.{{cite web|url=http://en.nikiaviation.com/products/niki_2004_m |title=Gyrocopter NIKI 2004 M |publisher=Niki Aviation |date=2011-01-25 |accessdate=2013-01-09|archiveurl = https://web.archive.org/web/20111018152357/http://en.nikiaviation.com/products/niki_2004_m |archivedate = 18 October 2011}}
;2008
:Improved version with a gross weight of {{convert|450|kg|lb|0|abbr=on}}, a fuselage length of {{convert|4.225|m|ft|1|abbr=on}} and a cruise speed of {{convert|150|km/h|mph|0|abbr=on}}.{{cite web|url=http://en.nikiaviation.com/products/niki_2008 |title=Gyrocopter NIKI 2008|publisher=Niki Aviation |date=2011-01-25 |accessdate=2013-01-09|archiveurl = https://web.archive.org/web/20111018152402/http://en.nikiaviation.com/products/niki_2008 |archivedate = 18 October 2011}}
Specifications (2004M)
{{Aircraft specs
|prime units?=met
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|crew=one
|capacity=one passenger
|length m=
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|empty weight kg=350
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|gross weight kg=550
|gross weight lb=
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|fuel capacity={{convert|70|L}}
|more general=
|eng1 number=1
|eng1 name=Subaru EJ22
|eng1 type=four cylinder, air-cooled, four-stroke, single-ignition automotive engine
|eng1 kw=
|eng1 hp=150
|prop blade number=4
|prop name=composite
|prop dia m=
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|rot number=1
|rot dia m=9.14
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|max speed kmh=150
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|cruise speed kmh=130
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|climb rate ms=5
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References
{{reflist}}
External links
- {{Official website|http://nikiaviation.com/}}
{{Niki Rotor aircraft}}
Category:2000s Bulgarian sport aircraft