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__NOTOC__
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{|{{Infobox Aircraft Begin
{|{{Infobox Aircraft Begin
| name=KZ X
| name=KZ X
| image=SAI KZ X 2.jpg
| image=SAI KZ X 2.jpg
| caption=KZ X in [[Danmarks Flymuseum]]
| caption=KZ X prototype, after modification into KZ X Mk.2, in [[Danmarks Flymuseum]]
}}{{Infobox Aircraft Type
}}{{Infobox Aircraft Type
| type=Observation aircraft
| type=Observation aircraft
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|}
|}


The '''SAI KZ X''' was a light aircraft produced in Denmark for army co-operation duties in the early 1950s. It was a strut-braced, high-wing monoplane of conventional design with fixed tailwheel undercarriage and was derived from the [[SAI KZ VII|KZ VII]]. Deliveries to the [[Danish Army]] commenced in 1952, but by the summer of that year, two had already crashed.
The '''SAI KZ X''' was a light aircraft produced in Denmark for army co-operation duties in the early 1950s.


==Design and development==
The investigations of these crashes were conducted with technical assistance from Britain's [[Royal Aircraft Establishment]], but no underlying defect in the aircraft design was uncovered and the KZ X was returned to service. However, when two more crashes took place in 1954, the type was withdrawn from service. Most KZ Xs were scrapped, with the only surviving example now in the [[Danmarks Flymuseum]].
The KZ X was a strut-braced, high-wing, two seat military observation monoplane developed from the [[SAI KZ VII|KZ VII]] with a more powerful,{{cvt|108|kW|hp}}, [[Continental C145]] engine.<ref name=AMAW/>
<!-- ==Development== -->

<!-- ==Operational history== -->
Deliveries to the [[Danish Army]] began in 1952 but by the summer of that year two had already crashed. The investigations of these crashes, attributed to failure of the wooden rudder, were conducted with technical assistance from Britain's [[Royal Aircraft Establishment]] but no underlying defect in the aircraft design was uncovered. The prototype was modified with a steel-framed rudder as the KZ X Mk.2 but the KZ X was returned to service. When two more crashes took place in 1954 the type was finally withdrawn then scrapped in 1960, leaving the prototype as the only surviving example.<ref name=AMAW/> It is now in the [[Danmarks Flymuseum]], active again in 2009 after restoration.<ref name=Ogden/><ref name=FLM/>
<!-- ==Variants== -->


==Operators==
==Operators==
;{{DEN}}
;{{DEN}}
*[[Royal Danish Army]]
*[[Royal Danish Army]]
<!-- ==Units using this aircraft/Operators (choose)== -->


==Specifications==
==Specifications==
{{Aircraft specs
{{aerospecs
|prime units? = met
|ref=<!-- reference -->
|crew=Two
|met or eng?=<!-- eng for US/UK aircraft, met for all others. You MUST include one or the other here, or no specifications will show -->met

|crew=One, pilot
|capacity=3 passengers
|length m=6.50
|length m=6.50
|length ft=21
|length in=4
|span m=9.41
|span m=9.41
|span ft=30
|span in=11
|swept m=<!-- swing-wings -->
|swept ft=<!-- swing-wings -->
|swept in=<!-- swing-wings -->
|rot number=<!-- helicopters -->
|rot dia m=<!-- helicopters -->
|rot dia ft=<!-- helicopters -->
|rot dia in=<!-- helicopters -->
|dia m=<!-- airships etc -->
|dia ft=<!-- airships etc -->
|dia in=<!-- airships etc -->
|width m=<!-- if applicable -->
|width ft=<!-- if applicable -->
|width in=<!-- if applicable -->
|height m=2.20
|height m=2.20
|height ft=7
|height in=3
|wing area sqm=13.0
|wing area sqm=13.0
|wing area sqft=140
|swept area sqm=<!-- swing-wings -->
|swept area sqft=<!-- swing-wings -->
|rot area sqm=<!-- helicopters -->
|rot area sqft=<!-- helicopters -->
|volume m3=<!-- lighter-than-air -->
|volume ft3=<!-- lighter-than-air -->
|aspect ratio=<!-- sailplanes -->
|wing profile=<!-- sailplanes -->
|empty weight kg=529
|empty weight kg=529
|empty weight lb=1,160
|gross weight kg=860
|gross weight kg=860
|gross weight lb=1,890
|lift kg=<!-- lighter-than-air -->
|lift lb=<!-- lighter-than-air -->

|eng1 number=1
|eng1 number=1
|eng1 type=[[Continental C145]]
|eng1 name=Continental C145
|eng1 type= air-cooled [[flat-six]] piston engine
|eng1 kw=<!-- prop engines -->108
|eng1 hp=<!-- prop engines -->145
|eng1 kw=108
|eng1 kn=<!-- jet/rocket engines -->
|eng1 lbf=<!-- jet/rocket engines -->
|eng1 kn-ab=<!-- afterburners -->
|eng1 lbf-ab=<!-- afterburners -->
|eng2 number=
|eng2 type=
|eng2 kw=<!-- prop engines -->
|eng2 hp=<!-- prop engines -->
|eng2 kn=<!-- jet/rocket engines -->
|eng2 lbf=<!-- jet/rocket engines -->
|eng2 kn-ab=<!-- afterburners -->
|eng2 lbf-ab=<!-- afterburners -->

|max speed kmh=215
|max speed kmh=215
|max speed mph=134
|max speed mach=<!-- supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
|cruise speed mph=<!-- if max speed unknown -->
|stall speed kmh=<!-- aerobatic and STOL aircraft -->
|stall speed mph=<!-- aerobatic and STOL aircraft -->
|range km=800
|range km=800
|range miles=500
|endurance h=<!-- if range unknown -->
|endurance min=<!-- if range unknown -->
|ceiling m=4,400
|ceiling m=4,400
|ceiling ft=14,400
|g limits=<!-- aerobatic aircraft -->
|roll rate=<!-- aerobatic aircraft -->
|glide ratio=<!-- sailplanes -->
|climb rate ms=
|climb rate ftmin=
|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->


|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}
}}
<!-- ==See also== -->
<!-- ==See also== -->
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==References==
==References==
{{reflist|refs=
{{commons category|SAI KZ X}}

<ref name=AMAW>{{cite journal |last=Simpson |first=Rod |date=Winter 2021 |title=The KZ Legacy|journal= Air Britain Aviation World|pages=238-242}}</ref>
<ref name=Ogden>{{cite book |title=Aviation Museums and Collections of Mainland Europe |last= Ogden |first=Bob |year=2009|publisher= Air Britain (Historians) Ltd|page=78 |isbn=978 0 85130 418 2}}</ref>
<ref name=FLM>{{cite web |url=http://flymuseum.dk/html/flytekst/kz10.php|title= Danmarks Flymuseum|date= 23 December 2021}}</ref>

}}
==See also==
*{{cite book |last=Bridgman |first=Leonard |title=Jane's All The World's Aircraft 1951–52|year=1951|publisher=Sampson Low, Marston & Company, Ltd.|location=London}}
*{{cite book |last=Bridgman |first=Leonard |title=Jane's All The World's Aircraft 1951–52|year=1951|publisher=Sampson Low, Marston & Company, Ltd.|location=London}}
* {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages=563 }}
* {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages=563 }}
* {{cite book |last= Simpson |first= R. W. |title=Airlife's General Aviation |year=1995 |publisher=Airlife Publishing |location=Shrewsbury |pages=348–49 }}
* {{cite book |last= Simpson |first= R. W. |title=Airlife's General Aviation |year=1995 |publisher=Airlife Publishing |location=Shrewsbury |pages=348–49 }}

* [http://flymuseum.dk/html/flytekst/kz10.php Danmarks Flymuseum page on the KZ X (in Danish)]
{{commons category|SAI KZ X}}
* [http://www.airwar.ru/enc/other/kz10.html Уголок неба]
<!-- ==External links== -->


{{Skandinavisk Aero Industri aircraft}}
{{Skandinavisk Aero Industri aircraft}}


[[Category:Danish military reconnaissance aircraft 1950–1959]]
[[Category:1950s Danish military reconnaissance aircraft]]
[[Category:Skandinavisk Aero Industri aircraft]]
[[Category:Skandinavisk Aero Industri aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:Aircraft first flown in 1951]]

Revision as of 22:27, 23 December 2021

KZ X
KZ X prototype, after modification into KZ X Mk.2, in Danmarks Flymuseum
Role Observation aircraft
National origin Denmark
Manufacturer Skandinavisk Aero Industri
First flight 29 September 1951
Primary user Danish Army
Number built 12

The SAI KZ X was a light aircraft produced in Denmark for army co-operation duties in the early 1950s.

Design and development

The KZ X was a strut-braced, high-wing, two seat military observation monoplane developed from the KZ VII with a more powerful,108 kW (145 hp), Continental C145 engine.[1]

Deliveries to the Danish Army began in 1952 but by the summer of that year two had already crashed. The investigations of these crashes, attributed to failure of the wooden rudder, were conducted with technical assistance from Britain's Royal Aircraft Establishment but no underlying defect in the aircraft design was uncovered. The prototype was modified with a steel-framed rudder as the KZ X Mk.2 but the KZ X was returned to service. When two more crashes took place in 1954 the type was finally withdrawn then scrapped in 1960, leaving the prototype as the only surviving example.[1] It is now in the Danmarks Flymuseum, active again in 2009 after restoration.[2][3]

Operators

 Denmark

Specifications

General characteristics

  • Crew: Two
  • Length: 6.50 m (21 ft 4 in)
  • Wingspan: 9.41 m (30 ft 10 in)
  • Height: 2.20 m (7 ft 3 in)
  • Wing area: 13.0 m2 (140 sq ft)
  • Empty weight: 529 kg (1,166 lb)
  • Gross weight: 860 kg (1,896 lb)
  • Powerplant: 1 × Continental C145 air-cooled flat-six piston engine, 108 kW (145 hp)

Performance

  • Maximum speed: 215 km/h (134 mph, 116 kn)
  • Range: 800 km (500 mi, 430 nmi)
  • Service ceiling: 4,400 m (14,400 ft)

References

  1. ^ a b Simpson, Rod (Winter 2021). "The KZ Legacy". Air Britain Aviation World: 238–242.
  2. ^ Ogden, Bob (2009). Aviation Museums and Collections of Mainland Europe. Air Britain (Historians) Ltd. p. 78. ISBN 978 0 85130 418 2.
  3. ^ "Danmarks Flymuseum". 23 December 2021.

See also

  • Bridgman, Leonard (1951). Jane's All The World's Aircraft 1951–52. London: Sampson Low, Marston & Company, Ltd.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 563.
  • Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. pp. 348–49.
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