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词条 Wheeler Express
释义

  1. Development

  2. Design

  3. Operational history

  4. Variants

  5. Specifications (Express Aircraft Company Express)

  6. References

  7. External links

name=Express image=Wheeler Express.jpg caption=

}}{{Infobox Aircraft Type

type=Experimental Aircraft national origin=United States manufacturer=Wheeler Technology
Express Design
Express Aircraft Company
designer=Ken Wheeler first flight=28 July 1987 introduced=1984 retired= status= primary user= more users= produced= number built= program cost= unit cost= $19,975 for kit without engine and avionics in 1989 developed from= variants with their own articles=Express Series 90
}}

The Wheeler Express (or later known as EDI Express) is a four-seat low-wing composite homebuilt aircraft.

Development

Developed by Wheeler Technology as a high-speed homebuilt aircraft for cross-country flights and the first of the kit built prototypes was first flown on 28 July 1987, a factory built aircraft first flew in 1990. Wheeler Technology went into bankruptcy and the assets were bought by Express Design Incorporated (EDI) of Redmond, Oregon. Kits that were under construction were completed by EDI and they continued with kit production. A six-seat variant was produced by EDI as the Loadmaster 3200.

By the late 1990s the aircraft was being produced by Express Aircraft Company in Olympia, Washington[1]

Design

The composite compound curve fuselage was chosen to reduce the number of stiffeners and stringers needed. The design used an unusual seating position where one rear seat faced forward and one aft to maximize interior space. The fuselage was built with similar construction methods to Glasair aircraft.[2] The aircraft was only produced in kit form with five main packages that included pre-cut ribs, pre-welded steel assemblies, and a spar prebonded to the upper wing surface.[3]

The cabin width is {{convert|46|in|cm|abbr=on}}.[1]

Operational history

A crash of an early example of the Wheeler Express was said to demonstrate the airframe's safety due to the energy absorption during the non-fatal crash.[4]

Variants

Wheeler Express FT

Fixed gear

Wheeler Express RG

Retractable design

Specifications (Express Aircraft Company Express)

{{Aircraft specs
|ref=Cavin and Purdy[1][2]
|prime units?=kts


|genhide=
|crew=one
|capacity=three passengers
|length m=
|length ft=26
|length in=0
|length note=
|span m=
|span ft=31
|span in=6
|span note=
|height m=
|height ft=
|height in=
|height note=
|wing area sqm=
|wing area sqft=130.0
|wing area note=
|aspect ratio=
|airfoil=NASA NLF-1(0215)F
|empty weight kg=
|empty weight lb=1825
|empty weight note=
|gross weight kg=
|gross weight lb=3200
|gross weight note=
|fuel capacity={{convert|92|u.s.gal}}
|more general=


|eng1 number=1
|eng1 name=Lycoming IO-540
|eng1 type=
|eng1 kw=
|eng1 hp=250
|prop blade number=2
|prop name=constant speed propeller
|prop dia m=
|prop dia ft=
|prop dia in=
|prop note=


|perfhide=
|max speed kmh=
|max speed mph=225
|max speed kts=
|max speed note=
|cruise speed kmh=
|cruise speed mph=220
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=54
|stall speed kts=
|stall speed note=flaps down
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|range km=
|range miles=1800
|range nmi=
|range note=
|endurance=
|ceiling m=
|ceiling ft=24000
|ceiling note=
|g limits=+8.8 -4.4
|roll rate=
|glide ratio=
|climb rate ms=
|climb rate ftmin=1800
|climb rate note=
|time to altitude=
|lift to drag=
|wing loading kg/m2
|wing loading lb/sqft=24.6
|wing loading note=
|power/mass=
|thrust/weight=
|more performance=
|avionics=
}}

References

{{commons category|Wheeler Express}}
1. ^Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 153. BAI Communications, 15 July 1998. {{ISBN|0-9636409-4-1}}
2. ^{{cite journal|magazine=Sport Aviation|title=Wheeler Express|date=Nov 1987|author=Dick Cavin}}
3. ^{{cite journal|magazine=Air Progress|date=August 1989|title=Express Lane|author=David Gustafson}}
4. ^{{cite news|title=Saved By The Plane He Crashed Kit Aircraft's Design Cushioned Impact|author=Darrl Glover|newspaper=Seattle Pi}}

External links

{{commons category|Stoddard-Hamilton}}
  • Composite Aircraft Technology homepage
{{Wheeler Express aircraft}}

3 : Homebuilt aircraft|Express aircraft|Aircraft manufacturers of the United States

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