Schleicher ASH 31

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
Number built	100 as of 2013

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. The self-launching Mi version is powered by a 41 kW (55 hp) Wankel engine.

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

• Extended ailerons
• Redesigned wing structure

Variants

ASH 31

Production aircraft with 18-metre or 21-metre wingspan.

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.

Specifications (21-metre)

{{Aircraft specs |ref=Schleicher. |prime units?=met

|crew=One |capacity=

• • 115 kg (253 lb) max. pilot weight
  • 140 kg (308 lb) max. water ballast in wing

|length m=7.07 |length ft= |length in= |span m=21 |span ft= |span in= |span note=including winglets |swept m= |swept ft= |swept in= |rot number= |rot dia m= |rot dia ft= |rot dia in= |dia m= |dia ft= |dia in= |width m= |width ft= |width in= |height m= |height ft= |height in= |wing area sqm=13.2 |wing area sqft= |swept area sqm= |swept area sqft= |rot area sqm= |rot area sqft= |volume m3= |volume ft3= |aspect ratio=33.5 |wing profile= |empty weight kg=430 |empty weight lb= |gross weight kg= |gross weight lb= |gross weight note= |max takeoff weight kg=700 |max takeoff weight lb= |max takeoff weight note= |fuel capacity=

• • 16 l in fuselage fuel tank
  • 46 l with 2 wing fuel tanks

|lift kg= |lift lb=

|eng1 number=1 |eng1 name=Austro Engine IAE 50R-AA |eng1 type=single rotor Wankel engine |eng1 kw=41 |eng1 hp=55 |eng1 kn= |eng1 lbf= |eng1 kn-ab= |eng1 lbf-ab= |eng1 note= |eng2 number= |eng2 type= |eng2 kw= |eng2 hp= |eng2 kn= |eng2 lbf= |eng2 kn-ab= |eng2 lbf-ab=

|prop blade number=2 |prop name= |prop dia m=1.55 |prop dia ft= |prop dia in= |prop dia note=(retractable)

|perfhide= |max speed kmh= |max speed mph= |max speed mach= |cruise speed kmh= |cruise speed mph= |range km= |range miles= |endurance h= |endurance min= |ceiling m= |ceiling ft= |glide ratio= |climb rate ms=4 |climb rate ftmin= |sink rate ms= |sink rate ftmin= |wing loading kg/m2=53.0 |wing loading lb/sqft=10.8 |wing loading note=max |lift to drag=56

See also

Aircraft of comparable role, configuration, and era

• Jonker JS-1 Revelation (21m version)
• Lange Antares 23E
• Schempp-Hirth Quintus

Related lists

• List of gliders

References

• "Colour brochure ASH 31 Mi (german / english)" (PDF). Alexander Schleicher GmbH & Co. Segelflugzeugbau. Retrieved 22 July 2014.
• {{cite web{{}} Archived 30 June 2013 at the Wayback Machine
• {{cite web{{}} Archived 15 July 2014 at the Wayback Machine
• {{cite web{{}} Archived 6 May 2012 at the Wayback Machine
• {{cite web{{}} Archived 8 August 2014 at the Wayback Machine
• {{cite web{{}} Archived 8 August 2014 at the Wayback Machine
• {{cite web{{}} Archived 3 March 2016 at the Wayback Machine

External links

• Schleicher website