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词条 Udet U 12
释义

  1. Design and development

  2. Variants

     Germany  Austria  Hungary 

  3. Operators

  4. Survivors

  5. Specifications (U 12a)

  6. See also

  7. References

  8. External links

name=U 12 Flamingoimage=Udet U 12 Flamingo D-EOSM.jpgcaption=D-EOSM of the Deutsches Museum, Munich, Germany. This replica has a Sh 14 engine, a later, more powerful version of the Siemens-Halske engines fitted to original U 12s.

}}{{Infobox Aircraft Type

type=Civil trainer aircraftmanufacturer=Udet Flugzeugbau, BFW and others under licencedesigner=Hans Herrmannfirst flight=1925introduced=retired=status=primary user=more users=produced=number built=ca. 300variants with their own articles=
}}

The Udet U 12 Flamingo was an aerobatic sports plane and trainer aircraft developed in Germany in the mid-1920s.

Design and development

The U 12 was a conventional, single-bay biplane of wooden construction with the wings braced by large I-struts. The pilot and instructor or passenger sat in tandem, open cockpits. The U 12 proved extremely popular and sold well, due in no small part to Ernst Udet's spectacular aerobatics routines while flying the aircraft. One particularly acclaimed part of his act included swooping down towards the airfield and picking up a handkerchief with the tip of one wing.[1] The popularity of this aircraft was insufficient to rescue Udet Flugzeugbau from its dire financial position, but when the company's assets were taken over by the state of Bavaria to form BFW, production of the U 12 soon resumed in earnest. BFW-built U 12s were exported to Austria, Hungary and Latvia, and later built under licence in these countries as well.

Variants

Germany

  • U 12a: main production version with Siemens-Halske Sh 11 engine
    • U 12W: float-equipped U 12a (Wasser—"water")
  • U 12b: version strengthened for aerobatics and with improved wing design
  • U 12c: advanced trainer with reduced wing area
  • U 12d: U 12b with Siemens-Halske Sh 12 engine
  • U 12e: U 12c with Siemens-Halske Sh 12 engine

Austria

20 aircraft produced by Fliegerwerft Thalerhof

  • U 12H: standard U 12a (Holz—"wood")
  • U 12S: U 12a with redesigned fuselage of fabric-covered steel tube construction (Stahl—"steel").
    • U 12Ö: alternative designation for U 12S (Österreich—"Austria")

Hungary

Forty aircraft produced by KRG and another 40 by Manfred Weiss Works. Some examples armed and used for fighter or bomber training

  • Hungária I: similar to U 12a with N-type interplane struts
  • Hungária II: similar to U 12a with N-type interplane struts
  • Hungária III: similar to U 12a with N-type interplane struts, propeller spinner and Townend ring
  • Hungária IV: similar to U 12a. Only Hungarian-built version with I-type interplane struts
  • Hungária V: similar to U 12a with N-type interplane struts

Operators

{{AUT}}
  • Austrian Air Force (1927–1938)
{{flagcountry|Kingdom of Hungary (1920–46)}}
  • Royal Hungarian Air Force
{{LAT}}
  • Latvian Air Force

Survivors

No original aircraft are known to exist. An airworthy replica was kept at the Deutsches Museum but crashed at the 2013 Tannkosh event.[2]

Specifications (U 12a)

{{aerospecs
|met or eng?=met
|crew=two, pilot and instructor
|capacity=
|length m=7.4
|length ft=24
|length in=6
|span m=10.0
|span ft=32
|span in=8
|dia m=
|dia ft=
|dia in=
|height m=2.8
|height ft=9
|height in=2
|wing area sqm=24
|wing area sqft=258
|rot area sqm=
|rot area sqft=
|aspect ratio=
|empty weight kg=525
|empty weight lb=1,157
|gross weight kg=800
|gross weight lb=1,764
|eng1 number=1
|eng1 type=Siemens-Halske Sh 11
|eng1 kw=60
|eng1 hp=80
|eng1 kn=
|eng1 lbf=
|eng1 kn-ab=
|eng1 lbf-ab=
|eng2 number=
|eng2 type=
|eng2 kw=
|eng2 hp=
|eng2 kn=
|eng2 lbf=
|eng2 kn-ab=
|eng2 lbf-ab=
|max speed kmh=140
|max speed mph=87
|max speed mach=
|cruise speed kmh=
|cruise speed mph=
|range km=450
|range miles=280
|endurance h=
|endurance min=
|ceiling m=3,700
|ceiling ft=12,100
|glide ratio=
|climb rate ms=2.3
|climb rate ftmin=450
|sink rate ms=
|sink rate ftmin=
|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}

{{aircontent
|related=
|similar aircraft=
|sequence=
|lists=
|see also=
}}

References

1. ^{{cite journal|magazine=Air Trails|date=Winter 1971|page=49}}
2. ^http://aviation-safety.net/wikibase/wiki.php?id=158981 Aviation Safety Net website
  • {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages=154–55 }}
  • {{cite book |last= Van Ishoven |first= Armand |title=Udet (BFW) U-12 Flamingo Variants |year=1973 |publisher=Profile Publications Limited |location=London }}
  • German aircraft between 1919-1945
  • Уголок неба
  • {{youtube|M2CBx7x5GCI|Ernst Udet performs an exhibition precision dead stick loop and side slip landing in a U 12}}

External links

{{commons category|Udet U 12 Flamingo}}{{Udet aircraft}}

4 : German civil trainer aircraft 1920–1929|Udet aircraft|Aerobatic aircraft|Weiss Manfred aircraft

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