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词条 Schleicher ASK 14
释义

  1. Design and development

  2. Operational history

  3. Specifications (ASK 14)

  4. See also

  5. References

  6. External links

name=ASK 14 image=File:Schleicher ASK-14.jpg caption=

}}{{Infobox aircraft type

type=Motor glider national origin= manufacturer=Alexander Schleicher GmbH & Co designer=Rudolf Kaiser first flight= introduced= retired= status= primary user= more users= produced= number built=66 program cost= unit cost= developed from= Schleicher Ka 6E variants with their own articles=
}}

The Schleicher ASK 14 is a West German low-wing, single-seat motor glider that was designed by Rudolf Kaiser and produced by Alexander Schleicher GmbH & Co.[1][2]

The aircraft is often referred to as the Schleicher AS-K 14 or the Schleicher ASK-14, the AS for Alexander Schleicher and the K for Kaiser. The US Federal Aviation Administration designates the aircraft as the Schleicher ASW-14, while Transport Canada and the United Kingdom Civil Aviation Authority call it the Schleicher ASK 14.[1][2][3][4][5]

Design and development

The ASK 14 was developed as a low-wing motorized version of the Schleicher Ka 6E. The powerplant is a {{convert|19|kW|hp|0|abbr=on}} Hirth F10 K19 four-cylinder, two-stroke engine, made by Hirth and driving a fully feathering propeller.[1][2]

The aircraft is built from wood and covered with doped aircraft fabric covering. The {{convert|14.4|m|ft|1|abbr=on}} span wing employs a NACA 63-618 airfoil at the wing root transitioning to a NACA 63-615 section at the wing tip and features spoilers. The monowheel landing gear is retractable. The cockpit is covered by a bubble canopy that gives all-around visibility.[1][2]

Due to its Ka 6E heritage the handling of the ASK 14 was described by Soaring Magazine in 1983 as "superb".[2]

The ASK 14 was never type certified and aircraft registered in the United States were in the Experimental - Racing/Exhibition category. ASW 14s in Canada are in the category CAR Standard 507.03(5)(a) Aircraft Held a Flight Permit - Private Aircraft prior 01/89. Those in the UK have an EASA Certificate of Airworthiness.[3][4][5]

Operational history

ASK 14s finished second, third and fourth in the single-place class at the first international motorglider competition, that was held at Burg Feuerstein, West Germany in 1970.[1]

In 1971 former Soaring Magazine editor Bennett Rogers set the first United States motorgliding record in an ASK 14, flying {{convert|330.5|km|mi|0|abbr=on}} out-and-return from Rosamond, California, US.[2]

In July 2011 there were still eight ASK 14s registered with the FAA in the US, two with the UK Civil Aviation Authority and one registered with Transport Canada.[3][4][5]

Specifications (ASK 14)

{{Aircraft specs
|ref=Sailplane Directory and Soaring[1][2]
|prime units?=met


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|crew=one
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|wing area sqm=12.68
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|aspect ratio=16.8:1
|airfoil=root: NACA 63-618, tip: NACA 63-615
|empty weight kg=245
|empty weight lb=
|empty weight note=
|gross weight kg=360
|gross weight lb=
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|fuel capacity=
|more general=


|eng1 number=1
|eng1 name=Hirth F10 K19
|eng1 type=four cylinder, two-stroke
|eng1 kw=19
|eng1 hp=
|prop blade number=2
|prop name=fully feathering
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|perfhide=
|max speed kmh=
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|stall speed kmh=
|stall speed mph=
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|stall speed note=
|never exceed speed kmh=
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|ceiling m=
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|glide ratio= 29:1 at {{convert|81|km/h|mph|0|abbr=on}}
|climb rate ms=
|climb rate ftmin=
|climb rate note=
|sink rate ms=0.75
|sink rate ftmin=
|sink rate note= at {{convert|72|km/h|mph|0|abbr=on}}
|lift to drag=
|wing loading kg/m2=28.6
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See also

{{aircontent
|see also=
  • List of gliders

|related=
|similar aircraft=
  • Akaflieg München Mü23 Saurier

|lists=
}}

References

1. ^{{Cite web|url = http://www.sailplanedirectory.com/PlaneDetails.cfm?PlaneID=17|title = ASK-14 Schleicher|accessdate = 24 July 2011|last = Activate Media|authorlink = |year = 2006|deadurl = yes|archiveurl = https://web.archive.org/web/20120829145221/http://www.sailplanedirectory.com/PlaneDetails.cfm?PlaneID=17|archivedate = 29 August 2012|df = }}
2. ^Said, Bob: 1983 Sailplane Directory, Soaring Magazine, page 131. Soaring Society of America, November 1983. USPS 499-920
3. ^{{Cite web|url = http://registry.faa.gov/aircraftinquiry/AcftRef_Results.aspx?Mfrtxt=&Modeltxt=ASK+14&PageNo=1|title = Make / Model Inquiry Results - ASK 14|accessdate = 24 July 2011|last = Federal Aviation Administration|authorlink = |date=July 2011}}
4. ^{{Cite web|url = http://wwwapps2.tc.gc.ca/Saf-Sec-Sur/2/ccarcs/aspscripts/en/quicksearch.asp|title = Canadian Civil Aircraft Register|accessdate = 24 July 2011|last = Transport Canada|authorlink = |date = July 2011|deadurl = yes|archiveurl = https://web.archive.org/web/20110718042755/http://wwwapps2.tc.gc.ca/Saf-Sec-Sur/2/ccarcs/aspscripts/en/quicksearch.asp|archivedate = 18 July 2011|df = }}
5. ^{{Cite web|url = http://www.caa.co.uk/application.aspx?catid=60&pagetype=65&appid=1&mode=summary&aircrafttype=ASK%2014|title = GINFO Search Results Summary|accessdate = 24 July 2011|last = Civil Aviation Authority (United Kingdom)|authorlink = |date=July 2011}}

External links

{{Commons category-inline|ASK 14}}{{Schleicher}}

7 : German sailplanes 1960–1969|Schleicher aircraft|Single-engined tractor aircraft|Low-wing aircraft|Motor gliders|Glider aircraft|Aircraft first flown in 1967

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