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词条 Whigham GW-7
释义

  1. Design and development

  2. Operational history

  3. Specifications (GW-7)

  4. See also

  5. References

name=GW-7 image= caption=

}}{{Infobox Aircraft Type

type=Glider national origin=United States manufacturer= designer=Gene Whigham first flight= introduced=1987 retired= status=No longer in production primary user= more users= produced= number built=one program cost= unit cost= developed from= variants with their own articles=
}}

The Whigham GW-7 is an American mid-wing, single-seat, 15 metre class glider that was designed and constructed by Gene Whigham, a retired Convair flight test engineer.[1][2]

Design and development

Whigham's last glider design was the GW-7. The aircraft was completed and first flew in 1987.[1][2]

The GW-7 is of all metal construction, has a {{convert|15|m|ft|1|abbr=on}} wing span and employs a NASA NLF(1)-0215F airfoil. The flaps and ailerons are interconnected. The flaps travel +/-10° in normal flight in concert with the ailerons and then can be deployed to 60° for glidepath control on landing.[1][3]

Only one GW-7 was constructed and it was registered with the Federal Aviation Administration as an Experimental - Amateur-built.[2]

Operational history

In July 2011 the sole GW-7 built was still on the FAA registry and owned by Donald Macey of Fallon, Nevada.[2]

Specifications (GW-7)

{{Aircraft specs
|ref=Sailplane Directory[1]
|prime units?=imp


|genhide=
|crew=one
|capacity=
|length m=
|length ft=
|length in=
|length note=
|span m=15.0
|span ft=
|span in=
|span note=
|height m=
|height ft=
|height in=
|height note=
|wing area sqm=
|wing area sqft=92
|wing area note=
|aspect ratio=27:1
|airfoil=NASA NLF(1)-0215F
|empty weight kg=
|empty weight lb=333
|empty weight note=
|gross weight kg=
|gross weight lb=532
|gross weight note=
|more general=


|perfhide=
|max speed kmh=
|max speed mph=
|max speed kts=
|max speed note=
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|g limits=
|roll rate=
|glide ratio=39:1 at {{convert|48|mph|km/h|0|abbr=on}}
|sink rate ms=
|sink rate ftmin=110
|sink rate note=
|lift to drag=
|wing loading kg/m2
|wing loading lb/sqft=5.78
|wing loading note=
|more performance=
|avionics=
}}

See also

{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
  • List of gliders

}}

References

1. ^{{Cite web|url = http://www.sailplanedirectory.com/PlaneDetails.cfm?planeID=132|title = GW-7 Whigham |accessdate = 5 July 2011|last = Activate Media|authorlink = |year = 2006}}
2. ^{{Cite web|url = http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=6198|title = Make / Model Inquiry Results N6198|accessdate = 5 July 2011|last = Federal Aviation Administration|authorlink = |date=July 2011}}
3. ^{{Cite web|url = http://www.ae.illinois.edu/m-selig/ads/aircraft.html|title = The Incomplete Guide to Airfoil Usage |accessdate = 1 July 2011|last = Lednicer |first = David |authorlink = |year = 2010}}
{{Gene Whigham aircraft}}

2 : United States sailplanes 1980–1989|Homebuilt aircraft

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