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[1] |
| Number built | 100 as of 2013[2] |
| Unit cost |
US$200,475[3] |
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.[4] The self-launching Mi version is powered by a 41 kW (55 hp) Wankel engine.[5]
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)
Data from Schleicher.[6]
General characteristics
- Crew: One
- Capacity:
- 115 kg (253 lb) max. pilot weight
- 140 kg (308 lb) max. water ballast in 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 in fuselage fuel tank
- 46 l with 2 wing fuel tanks
- Powerplant: 1 × Austro Engine IAE 50R-AA single rotor Wankel engine, 41 kW (55 hp) [7]
- 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[8]
- Wing loading: 53.0 kg/m2 (10.9 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.
External links
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