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词条 Avid Flyer
释义

  1. Design and development

  2. Operational history

  3. Variants

  4. Specifications (Mk IV STOL)

  5. See also

  6. References

name=Flyer image=AVID Flyer (D-METT) 01.jpg caption=Avid Flyer Mk.IV

}}{{Infobox Aircraft Type

 type=Two seat homebuilt aircraft national origin=United States manufacturer=Light Aero designer=Dean Wilson first flight=1983 introduced= retired= status= primary user= more users= produced= number built=2,000+ (Avid Flyer + Avid Magnum) kits by 2001 program cost= unit cost= developed from= variants with their own articles= developed into=Avid Champion
Avid Catalina
Airdale Backcountry
}}

The Avid Flyer is a family of American single engine, high-wing, strut-braced, conventional landing gear-equipped, two seat ultralight aircraft designed for kit construction in the 1980s. Its several variants sold in large numbers. In 1987 a Flyer became the first ultralight to land at the North Pole.

Design and development

The kitbuilt two seat lightplane was designed by Dean Wilson in 1983, the first prototype flying in 1983 and appearing at Oshkosh that year. Kits were produced by Light Aero with several names (Bandit, Lite, Magnum and Mk.IV) with many options including two wing designs, the choice of tricycle, tailwheel, ski or float undercarriages, rescue parachutes and a variety of engines. Lite Aero production continued until the company went bankrupt in 1998. Avid Aircraft reappeared in 2003, but by 2010 the kits, including new variants, and components were produced by Airdale Flyer.[2][3]

The Avid Flyer is a conventional layout, single engine, side by side two seat light aircraft, with a strut-braced high wing configuration. Aluminum tubes serve as leading edge/main spar and rear spar, each wing being supported by a pair of tubular lift struts. Sawn plywood wing ribs are bonded to the aluminum tube spars using a filled epoxy compound. The Avid Flyer features Junkers style one-piece flaperons supported by three offset hinge arms. The Junkers design moves the control surfaces well underneath the wing, where they remain in undisturbed smooth airflow at low speed and/or higher climb angles.

The welded steel tube fuselage is flat sided, narrowing towards a braced cruciform tail group. The horizontal tailplane is carried on the fin just above the upper fuselage line. The aircraft's conventional rudder and elevator controls are cable operated.

Wilson's original intent developing the Avid Flyer was to offer an economical home-built aircraft to bridge the gap between conventional aircraft of the "Piper Cub" / "Taylorcraft" / "Aeronca" category and the minimalist ultralight aircraft such as the "Quicksilver" that had not yet matured into acceptable levels of reliability and safety in the early 1980s. The ability to fly from short, unimproved, and back-country strips was also one of Wilson's design priorities. Due to its light weight, good power-to-weight ratio, and design features such as the Junkers flaperons, the Avid Flyer excels in this type of environment and STOL operations. Recent developments in small aircraft engine design and reliability have brought the Avid Flyer well into the realm of being seen as a highly capable and economically viable choice for light sport use.

Operational history

By about 2008, some 2,000 Flyer kits had been built over five continents.[2] 346 Flyers and Magnums appear on the European (excluding Russian) civil registers.[5] Perhaps the most remarkable flight was that made by Hubert de Chevigny in an Avid Lite 532 equipped with an additional 300 L (66 Imp gal, 79 US gal) fuel tank. Accompanied by Nicholas Hulot in an Aviasud Mistral, he left from Resolute, Canada on 2 April 1987, reaching the North Pole on 7 May in three stages. They were the first ultralights to do so.[2][7]

Variants

Flyer

Early versions with straight trailing edge rudder, foldable wings and either 45 hp (30 kW) Cayuna or 65 hp (49 kW) Rotax 532 engines.

Mk IV

Fuller, curved edge rudder and either a 64 hp (48 kW) Rotax 582 or a Rotax 912 engines. Baggage compartment added. Introduced 1992. The Mark IV was further developed into the Airdale Backcountry.[8][9]

Bandit

Economy version with 50 hp (37 kW) Rotax 503.[1]

//Avid Aircraft Magnum">Magnum

Heavier, powered by a 160 hp (119 kW) Lycoming O-320 or an engine in the 125 hp (93 kW) to 180 hp (134 kW) range.

Specifications (Mk IV STOL)

{{Aircraft specs
|ref=Simpson 2001
|prime units?=imp


|genhide=
|crew=one
|capacity=one passenger
|length ft=17
|length in=11
|length note=
|span ft=29
|span in=10
|span note=
|height ft=6
|height in=1
|height note=
|wing area sqm=
|wing area sqft=
|wing area note=
|aspect ratio=
|airfoil=
|empty weight kg=232
|empty weight lb=
|empty weight note=
|gross weight kg=
|gross weight lb
|gross weight note=
|max takeoff weight kg=522
|max takeoff weight lb
|max takeoff weight note=
|fuel capacity=
|lift note=
|more general=


|eng1 number=1
|eng1 name=Rotax 582
|eng1 type=two cylinder two stroke, water cooled
|eng1 kw=
|eng1 hp=65
|eng1 note=
|power original=
|more power=
|prop blade number=2 blade
|prop name=
|prop dia m=
|prop dia ft=
|prop dia in=72 in fixed pitch
|prop note=


|perfhide=
|max speed kmh=
|max speed mph=105
|max speed kts=
|max speed note=
|cruise speed kmh=
|cruise speed mph=92
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=32
|stall speed kts=
|stall speed note={{Citation needed|date=April 2014}}
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|range km=
|range miles=340
|range nmi=
|range note=
|endurance=5 hours{{Citation needed|date=April 2014}}
|ceiling ft=16000
|ceiling note={{Citation needed|date=April 2014}}
|g limits=+6/-3{{Citation needed|date=April 2014}}
|roll rate=
|glide ratio=
|climb rate ms=5.1
|climb rate note=initial
|time to altitude=
|lift to drag=
|wing loading kg/m2
|wing loading lb/sqft=
|wing loading note=
|power/mass=
|more performance=

  • Maximum climb angle: 45°{{Citation needed|date=April 2014}}

|avionics=
}}

See also

{{aircontent
|see also=
|related=
  • Denney Kitfox
  • Flying K Sky Raider
  • Rocky Mountain Wings Ridge Runner

|similar aircraft=
|lists=
}}

References

{{commons category|Avid Flyer}}
1. ^Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 120. BAI Communications, 15 July 1998. {{ISBN|0-9636409-4-1}}
2. ^1 2 3 {{cite book |title= Fox-Papa Les avions de construction amateur|last=Perrier |first=Patrick |coauthors= |edition= |year=2010|publisher= Marines Edition|location= Rennes|isbn=978-2-35743-048-8|pages=48–9}}
3. ^1 {{cite book |title=European registers handbook 2010 |last= Partington |first=Dave |coauthors= |edition= |year=2010|publisher= Air Britain (Historians) Ltd|location= |isbn=978-0-85130-425-0}}
4. ^1 {{cite book|last=Bayerl|first= Robby|last2=Berkemeier|first2=Martin|title= World Directory of Leisure Aviation 2011-12| page=92|publisher= WDLA UK|location= Lancaster UK|year= 2011| issn=1368-485X}}
5. ^1 Vandermeullen, Richard: 2012 Kit Aircraft Buyer's Guide, Kitplanes, Volume 28, Number 12, December 2011, page 38. Belvoir Publications. ISSN 0891-1851
6. ^1 {{cite web |url=http://airdale.com/ |title=Airdale sportplane and supply |author= |date= |work= |publisher= |accessdate=2011-04-20| archiveurl= https://web.archive.org/web/20110430081450/http://airdale.com/| archivedate= 30 April 2011 | deadurl= no}}
7. ^1 {{cite web|url=http://www.flymicro.com/records/index.cfm?record=remarkable_feats |title=20 April - 7 May 1987, North Pole |author= |date= |work= |publisher= |accessdate=2011-07-14 |deadurl=yes |archiveurl=https://web.archive.org/web/20111004102804/http://www.flymicro.com/records/index.cfm?record=remarkable_feats |archivedate=2011-10-04 |df= }}
[2][3][4][5][6][7]
}}{{Avid Aircraft}}

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