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| 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}}
| introduced=
| retired=
| status=
| primary user=
| produced=<!--2009-present only completed after production ends, per template documentation-->
| 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=
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==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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|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 the 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=
}}
}}


Revision as of 04:19, 29 April 2021

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

  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

  • "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.
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