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{{Short description|Single-seat German motor glider, 2009}}
<!-- 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=ASH 31
| name=ASH 31
| image=ASH 31 Mi Flug 003 20090421.JPG
| image=ASH 31 Mi Flug 003 20090421.JPG
| caption=Schleicher ASH 31 Mi during its first flight
| caption=Schleicher ASH 31 Mi during its first flight
}}{{Infobox Aircraft Type
}}{{Infobox aircraft type
| type=[[Glider Competition Classes|Open-class]] sailplane
| type=[[Glider competition classes|Open-class]] sailplane
| national origin=Germany
| national origin=Germany
| manufacturer=[[Alexander Schleicher GmbH & Co|Schleicher]]
| manufacturer=[[Alexander Schleicher GmbH & Co|Schleicher]]
| designer=Martin Heide
| designer=Martin Heide
| first flight=21 April 2009{{sfn|Maiden flight of the new ASH 31 Mi|2009}}
| first flight=21 April 2009{{sfn|Maiden flight of the new ASH 31 Mi|2009}}
| produced=<!--2009-present only completed after production ends, per template documentation-->
| introduced=
| retired=
| status=
| primary user=
| <|--produced=2009-present only completed after production ends, per template documentation-->
| number built=100 as of 2013{{sfn|ASH 31 Mi serial number 100 delivered|2013}}
| number built=100 as of 2013{{sfn|ASH 31 Mi serial number 100 delivered|2013}}
| unit cost=US$200,475{{sfn|Eastern Sailplane Catalog ASH 31 Mi|2014}}
| developed from=
| developed from=
| variants with their own articles=
| variants with their own articles=
}}
}}
|}
|}
The '''ASH 31''' is a single seat [[Glider competition classes#Open Class|Open Class]] [[Glider (sailplane)|glider]] which can also be flown in the [[Glider competition classes#18 Class|18 metre class]] configuration.

The '''ASH 31''' is a single seat [[Glider Competition Classes#Open Class|Open Class]] [[Glider (sailplane)|glider]] which can also be flown in the [[Glider Competition Classes#18 Class|18 metre class]] configuration.


==Design and development==
==Design and development==
The ASH 31 was announced at the end of 2008 by [[Alexander Schleicher GmbH & Co|Alexander Schleicher]]. The glider was developed as a replacement for the '''[[Schleicher ASH 26|ASH 26]]'''.{{sfn|ASH 31 Mi Design Description|2014}} The self-launching '''Mi''' version is powered by a {{convert|41|kW|hp|abbr=on|0}} [[Wankel engine]].{{sfn|ASH 31 Mi Brochure|2011}}
The ASH 31 was announced at the end of 2008 by [[Alexander Schleicher GmbH & Co|Alexander Schleicher]]. The glider was developed as a replacement for the [[Schleicher ASH 26|ASH 26]].{{sfn|ASH 31 Mi Design Description|2014}} The self-launching Mi version is powered by a {{cvt|41|kW}} [[Wankel engine]].{{sfn|ASH 31 Mi Brochure|2011}}


The improvements over the ASH 26 and ASG 29 are given as:
The improvements over the ASH 26 and ASG 29 are given as:
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==Variants==
==Variants==
;ASH 31
;ASH 31
:Production aircraft with 18-metre or 21-metre wingspan.
:Production aircraft with a wingspan of either 18-metres or 21-metres.
;ASH 31 Mi
;ASH 31 Mi
:The motor-glider production aircraft with 18-metre or 21-metre wingspan, capable of self launching with an engine and retractable propeller.
:Production aircraft with a retractable engine and propeller for self-launching. It can be flown with a wingspan of either 18-metres or 21-metres.


==Specifications (21-metre) ==
==Specifications (21-metre) ==
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|ref=''Schleicher.''{{sfn|ASH 31 Mi Technical Data|2014}}
|ref=''Schleicher.''{{sfn|ASH 31 Mi Technical Data|2014}}
|prime units?=met
|prime units?=met

|crew=One
|crew=One
|capacity=<br/>
|capacity=<br/>
**115&nbsp;kg (253&nbsp;lb) max. pilot weight
**{{cvt|115|kg}} max. pilot weight
**140&nbsp;kg (308&nbsp;lb) max. water ballast in wing
**{{cvt|140|kg}} max. water ballast in the wing
|length m=7.07
|length m=7.07
|length ft=
|length in=
|span m=21
|span m=21
|span ft=
|span in=
|span note=including winglets
|span note=including winglets
|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=
|height m=
|height ft=
|height in=
|wing area sqm=13.2
|wing area sqm=13.2
|aspect ratio=33.5
|wing area sqft=
|airfoil=
|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=33.5<!-- sailplanes -->
|wing profile=<!-- sailplanes -->
|empty weight kg=430
|empty weight kg=430
|empty weight lb=
|gross weight kg=
|gross weight kg=
|gross weight lb=
|gross weight note=
|gross weight note=
|max takeoff weight kg=700
|max takeoff weight kg=700
|max takeoff weight lb=
|max takeoff weight note=
|fuel capacity=<br/>
|fuel capacity=<br/>
**16&nbsp;l in fuselage fuel tank
**{{cvt|16|L}} in fuselage fuel tank
**46&nbsp;l with 2 wing fuel tanks
**{{cvt|46|L}} with 2 wing fuel tanks
|lift kg=<!-- lighter-than-air -->
|lift lb=<!-- lighter-than-air -->

|eng1 number=1
|eng1 number=1
|eng1 name=[[Austro Engine]] [[Austro Engine AE50R|IAE 50R-AA]]
|eng1 name=[[Austro Engine]] [[Austro Engine AE50R|IAE 50R-AA]]
Line 98: Line 59:
|eng1 kw=41
|eng1 kw=41
|eng1 hp=55
|eng1 hp=55
|eng1 kn=<!-- jet/rocket engines -->
|eng1 lbf=<!-- jet/rocket engines -->
|eng1 kn-ab=<!-- afterburners -->
|eng1 lbf-ab=<!-- afterburners -->
|eng1 note={{sfn|AE50R Technical Data Sheet|2010}}
|eng1 note={{sfn|AE50R Technical Data Sheet|2010}}
|eng2 number=
|prop blade number=2
|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 -->

|prop blade number=2<!-- propeller aircraft -->
|prop name=
|prop dia m=1.55<!-- propeller aircraft -->
|prop dia m=1.55<!-- propeller aircraft -->
|prop dia ft=<!-- propeller aircraft -->
|prop dia in=<!-- propeller aircraft -->
|prop dia note=(retractable)
|prop dia note=(retractable)
<!--Performance-->

<!--
Performance
-->
|perfhide=
|max speed kmh=
|max speed mph=
|max speed mach=<!-- supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
|cruise speed mph=<!-- if max speed unknown -->
|range km=
|range miles=
|endurance h=<!-- if range unknown -->
|endurance min=<!-- if range unknown -->
|ceiling m=
|ceiling m=
|ceiling ft=
|glide ratio=<!-- sailplanes -->
|glide ratio=<!-- sailplanes -->
|climb rate ms=4
|climb rate ms=4
|climb rate ftmin=
|sink rate ms=<!-- sailplanes -->
|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->
|wing loading kg/m2=53.0
|wing loading kg/m2=53.0
|wing loading lb/sqft=10.8
|wing loading lb/sqft=10.8
|wing loading note=max
|wing loading note=max
|lift to drag=56<ref>[http://www.aerofly-sim.de/download/download-aeroflyfs/affs_ash31_download ASH 31 Mi] Aerofly</ref>
|lift to drag=56<ref>[http://www.aerofly-sim.de/download/download-aeroflyfs/affs_ash31_download ASH 31 Mi] Aerofly</ref>

|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}
}}


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|related=<!-- related developments -->
|related=<!-- related developments -->
|similar aircraft=<!-- similar or comparable aircraft -->
|similar aircraft=<!-- similar or comparable aircraft -->
*[[Jonker JS-1 Revelation]] (21m version)
*[[Lange Antares 23E]]
*[[Schempp-Hirth Quintus]]
*[[Schempp-Hirth Quintus]]
|lists=<!-- related lists -->
|lists=<!-- related lists -->
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| url=http://www.alexander-schleicher.de/service/prospekte/AS%20Einzelprosp%2031%20de%2011%2004.pdf
| url=http://www.alexander-schleicher.de/service/prospekte/AS%20Einzelprosp%2031%20de%2011%2004.pdf
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau
| format=PDF | accessdate=22 July 2014 | ref = {{harvid|ASH 31 Mi Brochure|2011}} }}
| accessdate=22 July 2014 | ref = {{harvid|ASH 31 Mi Brochure|2011}} }}
*{{cite web| title=ASH 31 Mi Technical Data
*{{cite web| title=ASH 31 Mi Technical Data
| url=http://www.alexander-schleicher.de/produkte/ash31/ash31_daten_e.htm
| url=http://www.alexander-schleicher.de/produkte/ash31/ash31_daten_e.htm
Line 193: Line 117:
| accessdate=1 August 2014| ref={{harvid|Eastern Sailplane Catalog ASH 31 Mi|2014}} }}
| accessdate=1 August 2014| ref={{harvid|Eastern Sailplane Catalog ASH 31 Mi|2014}} }}
*{{cite web|title=AE50R Technical Data Sheet|url=http://austroengine.at/uploads/pdf/mod_products2/2010092010AE50R_Technical_Data_Sheet.pdf
*{{cite web|title=AE50R Technical Data Sheet|url=http://austroengine.at/uploads/pdf/mod_products2/2010092010AE50R_Technical_Data_Sheet.pdf
| format=PDF | publisher=Austro Engine GmbH| accessdate=22 July 2014| ref = {{harvid|AE50R Technical Data Sheet|2010}} }}
| publisher=Austro Engine GmbH| accessdate=22 July 2014| ref = {{harvid|AE50R Technical Data Sheet|2010}} }}
{{refend}}
{{refend}}


==External links==
==External links==
{{Commons category|ASH 31}}
{{Commons category|Schleicher ASH 31 Mi}}
*[http://www.alexander-schleicher.de Schleicher website]
*[http://www.alexander-schleicher.de Schleicher website]


{{Schleicher}}
{{Schleicher}}


[[Category:German sailplanes 2000–2009]]
[[Category:2000s German sailplanes]]
[[Category:Schleicher aircraft]]
[[Category:Schleicher aircraft]]
[[Category:Gliders]]
[[Category:Motor gliders]]
[[Category:T-tail aircraft]]
[[Category:Shoulder-wing aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:Aircraft first flown in 2009]]

Revision as of 01:19, 11 December 2022

ASH 31
Schleicher ASH 31 Mi during its first flight
Role Open-class sailplane
National origin Germany
Manufacturer Schleicher
Designer Martin Heide
First flight 21 April 2009[1]
Number built 100 as of 2013[2]

The ASH 31 is a single seat Open Class glider which can also be flown in the 18 metre class configuration.

Design and development

The ASH 31 was announced at the end of 2008 by Alexander Schleicher. The glider was developed as a replacement for the ASH 26.[3] The self-launching Mi version is powered by a 41 kW (55 hp) Wankel engine.[4]

The improvements over the ASH 26 and ASG 29 are given as:

  • Extended ailerons
  • Redesigned wing structure

Variants

ASH 31
Production aircraft with a wingspan of either 18-metres or 21-metres.
ASH 31 Mi
Production aircraft with a retractable engine and propeller for self-launching. It can be flown with a wingspan of either 18-metres or 21-metres.

Specifications (21-metre)

Data from Schleicher.[5]

General characteristics

  • Crew: One
  • Capacity:
    • 115 kg (254 lb) max. pilot weight
    • 140 kg (310 lb) max. water ballast in the wing
  • Length: 7.07 m (23 ft 2 in)
  • Wingspan: 21 m (68 ft 11 in) including winglets
  • Wing area: 13.2 m2 (142 sq ft)
  • Aspect ratio: 33.5
  • Empty weight: 430 kg (948 lb)
  • Max takeoff weight: 700 kg (1,543 lb)
  • Fuel capacity:
    • 16 L (3.5 imp gal; 4.2 US gal) in fuselage fuel tank
    • 46 L (10 imp gal; 12 US gal) with 2 wing fuel tanks
  • Powerplant: 1 × Austro Engine IAE 50R-AA single rotor Wankel engine, 41 kW (55 hp) [6]
  • Propellers: 2-bladed, 1.55 m (5 ft 1 in) diameter (retractable)

Performance

  • Rate of climb: 4 m/s (790 ft/min)
  • Lift-to-drag: 56[7]
  • Wing loading: 53.0 kg/m2 (10.8 lb/sq ft) max

See also

Aircraft of comparable role, configuration, and era

Related lists

Notes

References

  • "Colour brochure ASH 31 Mi (german / english)" (PDF). Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
  • "ASH 31 Mi Technical Data". Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
  • "ASH 31 Mi Design Description". Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
  • "Maiden flight of the new ASH 31 Mi". Alexander Schleicher GmbH & Co. Segelflugzeugbau. April 2009. Retrieved 1 August 2014.
  • "ASH 31 Mi serial number 100 delivered". Alexander Schleicher GmbH & Co. Segelflugzeugbau. November 2013. Retrieved 1 August 2014.
  • "Eastern Sailplane Catalog ASH 31 Mi". Eastern Sailplane, Inc. January 2014. Retrieved 1 August 2014.
  • "AE50R Technical Data Sheet" (PDF). Austro Engine GmbH. Retrieved 22 July 2014.