Schleicher ASH 31
{{Short description|Single-seat German motor glider, 2009}}
| {{Infobox aircraft begin
| name=ASH 31 | image=ASH 31 Mi Flug 003 20090421.JPG | caption=Schleicher ASH 31 Mi during its first flight }}{{Infobox aircraft type | type=Open-class sailplane | national origin=Germany | manufacturer=Schleicher | designer=Martin Heide | first flight=21 April 2009{{sfn|Maiden flight of the new ASH 31 Mi|2009}} | produced= | number built=100 as of 2013{{sfn|ASH 31 Mi serial number 100 delivered|2013}} | developed from= | variants with their own articles= }} |
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.{{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:
- 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)
{{Aircraft specs
|ref=Schleicher.{{sfn|ASH 31 Mi Technical Data|2014}}
|prime units?=met
|crew=One
|capacity=
- {{cvt|115|kg}} max. pilot weight
- {{cvt|140|kg}} max. water ballast in the wing
|length m=7.07
|span m=21
|span note=including winglets
|height m=
|wing area sqm=13.2
|aspect ratio=33.5
|airfoil=
|empty weight kg=430
|gross weight kg=
|gross weight note=
|max takeoff weight kg=700
|fuel capacity=
- {{cvt|16|L}} in fuselage fuel tank
- {{cvt|46|L}} with 2 wing fuel tanks
|eng1 number=1
|eng1 name=Austro Engine IAE 50R-AA
|eng1 type=single rotor Wankel engine
|eng1 kw=41
|eng1 hp=55
|eng1 note={{sfn|AE50R Technical Data Sheet|2010}}
|prop blade number=2
|prop dia m=1.55
|prop dia note=(retractable)
|ceiling m=
|glide ratio=
|climb rate ms=4
|sink rate ms=
|wing loading kg/m2=53.0
|wing loading lb/sqft=10.8
|wing loading note=max
|lift to drag=56[http://www.aerofly-sim.de/download/download-aeroflyfs/affs_ash31_download ASH 31 Mi] Aerofly
}}
See also
{{aircontent
|see also=
|related=
|similar aircraft=
- Jonker JS-1 Revelation (21m version)
- Lange Antares 23E
- Schempp-Hirth Quintus
|lists=
}}
Notes
{{reflist}}
References
{{refbegin}}
- {{cite web| title=Colour brochure ASH 31 Mi (german / english)
| url=http://www.alexander-schleicher.de/service/prospekte/AS%20Einzelprosp%2031%20de%2011%2004.pdf
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau
| accessdate=22 July 2014 | ref = {{harvid|ASH 31 Mi Brochure|2011}} }}
- {{cite web| title=ASH 31 Mi Technical Data
| url=http://www.alexander-schleicher.de/produkte/ash31/ash31_daten_e.htm
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau
| accessdate=22 July 2014| ref={{harvid|ASH 31 Mi Technical Data|2014}} }}
- {{cite web| title=ASH 31 Mi Design Description
| url=http://www.alexander-schleicher.de/produkte/ash31/ash31_main_e.htm
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau
| accessdate=22 July 2014| ref={{harvid|ASH 31 Mi Design Description|2014}} }}
- {{cite web| title=Maiden flight of the new ASH 31 Mi
| url=http://www.alexander-schleicher.de/Neuigkeiten/aktuell_088_e.htm
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau| date=April 2009
| accessdate=1 August 2014| ref={{harvid|Maiden flight of the new ASH 31 Mi|2009}} }}
- {{cite web| title=ASH 31 Mi serial number 100 delivered
| url=http://www.alexander-schleicher.de/Neuigkeiten/aktuell_123_e.htm
| publisher=Alexander Schleicher GmbH & Co. Segelflugzeugbau| date=November 2013
| accessdate=1 August 2014| ref={{harvid|ASH 31 Mi serial number 100 delivered|2013}} }}
- {{cite web| title=Eastern Sailplane Catalog ASH 31 Mi
| url=http://www.easternsailplane.com/catalog/ash-31-mi-p-106.html?osCsid=2ess0rihdtvv55i3mud982h9b0
| publisher=Eastern Sailplane, Inc. | date=January 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
| publisher=Austro Engine GmbH| accessdate=22 July 2014| ref = {{harvid|AE50R Technical Data Sheet|2010}} }}
{{refend}}
External links
{{Commons category|Schleicher ASH 31 Mi}}
- [http://www.alexander-schleicher.de Schleicher website]
{{Schleicher}}
Category:2000s German sailplanes
Category:Shoulder-wing aircraft
Category:Single-engined tractor aircraft