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词条 Pitcairn PA-4 Fleetwing II
释义

  1. Design and development

  2. Operational history

  3. Specifications (Fleetwing II)

  4. References

     Citations  Bibliography 

  5. External links

name=PA-4 Fleetwing II image=PA-4 Fleetwing II.jpg caption=A PA-4 Fleetwing II model on display at the EAA Airventure Museum

}}{{Infobox Aircraft Type

type=Biplane national origin=United States manufacturer=Pitcairn Aircraft Company designer=Agnew E. Larson first flight=1927 introduced=1927 retired= status= primary user= more users= produced=1927-1928 number built=10 program cost= unit cost=$2850 in 1927 developed from= variants with their own articles=
}}

The Pitcairn PA-4 Fleetwing II, also called the Pitcairn Fleetwing DeLuxe, and the Pitcairn PA-4 Fleetwing is a commercial mail hauling and passenger biplane.

Design and development

Ten PA-4s were built before it was re-engined with the Wright J-5 Whirlwind as the Pitcairn PA-5 to fly on the CAM-19 mail routes.

The Fleetwing II is a conventional landing gear equipped biplane with strut-braced tail surfaces. The fuselage is welded steel-tube construction with aircraft fabric covering. The cowling is formed from two pieces. The wire wheels were streamlined with laced-on discs.[1]

Operational history

Six Fleetwings were sold directly to Pitcairn Aviation. In 1928, the Fleetwing II The City of Reading participated in the Transcontinental Air Race. It was sold to Reading Airways after the race and later used in stunt flying around Cumberland, Maryland with the signature "Flying through a train tunnel" illusion.[2]

The sole remaining Fleetwing II was rebuilt over the course of seven years by Harold Armstrong from drawings supplied by Steve Pitcairn (1925-2008), son of company founder Harold Frederick Pitcairn (1897-1960). The aircraft won Grand Champion Antique at the 1991 EAA AirVenture Oshkosh airshow.[1] Armstrong's Fleetwing was seriously damaged in an accident on September 9, 2012.

Specifications (Fleetwing II)

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|eng1 number=1
|eng1 name=Curtiss OX-5
|eng1 type=piston aircraft engine
|eng1 kw=
|eng1 hp=90
|prop blade number=2
|prop name=Hartzell
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|perfhide=
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|cruise speed mph=80
|cruise speed kts=
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|never exceed speed kmh=
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References

Citations

1. ^{{cite journal|magazine=Vintage Airplane|date=December 1991}}
2. ^{{Cite journal|magazine=Sport Aviation|date=November 1991}}

Bibliography

External links

{{commons category-inline|Pitcairn PA-4 Fleetwing II}}{{Pitcairn aircraft}}

4 : Pitcairn aircraft|Biplanes|Single-engined tractor aircraft|Aircraft first flown in 1927

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