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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:
Line 33: Line 28:
==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) ==
{{Aircraft specs
{{Aircraft specs
|ref={{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;l (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=IAE 50R-AA
|eng1 name=[[Austro Engine]] [[Austro Engine AE50R|IAE 50R-AA]]
|eng1 type=single rotor [[Wankel engine]]
|eng1 type=single rotor [[Wankel engine]]
|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>

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


Line 158: Line 80:
|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]]
|lists=<!-- related lists -->
|lists=<!-- related lists -->
*[[List of gliders]]
*[[List of gliders]]
Line 170: Line 95:
| 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 192: 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}}
{{Aviation lists}}


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

Latest 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

[edit]

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

[edit]
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)

[edit]

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

[edit]

Aircraft of comparable role, configuration, and era

Related lists

Notes

[edit]
  1. ^ Maiden flight of the new ASH 31 Mi 2009.
  2. ^ ASH 31 Mi serial number 100 delivered 2013.
  3. ^ ASH 31 Mi Design Description 2014.
  4. ^ ASH 31 Mi Brochure 2011.
  5. ^ ASH 31 Mi Technical Data 2014.
  6. ^ AE50R Technical Data Sheet 2010.
  7. ^ ASH 31 Mi Aerofly

References

[edit]
  • "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.
[edit]
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